WO2022215731A1 - カカオ組成物を含有する穀粉膨化食品 - Google Patents
カカオ組成物を含有する穀粉膨化食品 Download PDFInfo
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- WO2022215731A1 WO2022215731A1 PCT/JP2022/017292 JP2022017292W WO2022215731A1 WO 2022215731 A1 WO2022215731 A1 WO 2022215731A1 JP 2022017292 W JP2022017292 W JP 2022017292W WO 2022215731 A1 WO2022215731 A1 WO 2022215731A1
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21D—TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
- A21D2/00—Treatment of flour or dough by adding materials thereto before or during baking
- A21D2/08—Treatment of flour or dough by adding materials thereto before or during baking by adding organic substances
- A21D2/36—Vegetable material
- A21D2/364—Nuts, e.g. cocoa
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21D—TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
- A21D13/00—Finished or partly finished bakery products
- A21D13/06—Products with modified nutritive value, e.g. with modified starch content
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21D—TREATMENT OF FLOUR OR DOUGH FOR BAKING, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS
- A21D13/00—Finished or partly finished bakery products
- A21D13/06—Products with modified nutritive value, e.g. with modified starch content
- A21D13/068—Products with modified nutritive value, e.g. with modified starch content with modified fat content; Fat-free products
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/30—Cocoa products, e.g. chocolate; Substitutes therefor
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
- A23P30/30—Puffing or expanding
Definitions
- the present invention relates to puffed flour foods containing cacao compositions.
- Patent Document 1 breads produced by adding a purified plant extract containing catechins so that 0.2 to 0.5 parts by weight of catechins are blended with 100 parts by weight of cereal flour, and baking. and breads in which the ratio of the catechin content measured by high performance liquid chromatography and the tannin content measured by the iron tartrate method in the catechin-containing plant extract purified product is 0.81 to 1.10.
- this document even when 0.2 parts by weight or more of catechins are blended in a physiologically preferable amount as catechins with respect to 100 parts by weight of cereal flour mainly composed of wheat flour, specific catechins It is described that the use of an agent with a similarity/tannin weight ratio makes it possible to provide breads with good texture, lightness, volume and flavor.
- Patent Document 2 relates to a method for producing a catechin-dispersed oil and fat, which comprises adding hexane-soluble matter derived from green tea and catechins to oil and fat, heating the mixture to 70 to 130° C., and grinding the mixture.
- This document describes that bread was produced using this catechin-dispersed oil (Example 5), and it is generally known that the use of liquid oil suppresses the swelling of bread. It is described that when the catechin-dispersed fat is used, there is little adverse effect on the swelling of bread.
- Patent Document 3 relates to foods and drinks for preventing diabetic complications, characterized by containing antioxidants extracted from cacao beans using ethanol. This document describes that bread containing 1% of 80% ethanol extract, which is a crude polyphenol fraction of cacao mass, was produced (Production Example 2). Further, Patent Document 4 relates to foods and drinks for preventing hypercholesterolemia containing 0.01% to 5% of cacao polyphenol extracted from cacao raw materials using hot water, ethanol aqueous solution or ethanol. This document describes bread and cookies containing powdered solids containing polyphenols (Examples 3 and 5), which were comparable to ordinary bread, and It is described that the cookie had a soft texture, did not have a problem of umami such as bitterness and coloration, and was comparable to commercially available products.
- US Pat. No. 6,300,009 relates to a low-fat cocoa extract having high levels of cocoa flavor and/or flavor precursors and high levels of cocoa antioxidant compounds.
- This document describes the preparation of pizza toast incorporating extracts from underfermented beans of Theobromacacao Trinitario ICS-95 as a source of this cocoa antioxidant compound (Example 7).
- Patent Document 6 discloses a method for producing a baked food containing at least one cocoa-containing raw material, wherein after adding at least one cocoa-containing raw material, the raw materials are mixed, the pH of the batter is maintained at less than 6.8,
- the present invention relates to a method of baking mixed raw materials to obtain a baked food having a pH of 7.5 or less.
- This document describes a chocolate cake using baking soda or baking powder as an example of such baked food.
- Patent Document 7 relates to cacao nibs used as a raw material for chocolate and cocoa powder.
- the cacao nibs are steamed and then steamed to improve crispness, remove the bad smell of nibs, and shorten the conching time in chocolate production.
- a suitable amount of enzyme is added to this, and after reacting with water at 30 to 60° C., a method for treating cacao nibs characterized by drying and roasting is proposed.
- Patent Document 8 discloses a method of processing beans for favorite drinks such as cacao beans and coffee beans into new foods that can be eaten directly.
- Beans for flavored beverages are prepared by soaking the beans for a period of time until the seasoning liquid is absorbed by the beans for flavored beverages, and then removing and drying the beans.
- this method before being seasoned by soaking in the seasoning liquid, by pre-treating by soaking in water or a dilute salt solution, the bitterness common to beans for favorite drinks is suppressed, and the beans are sweet and soft.
- Patent Document 9 discloses that as a method for obtaining cacao beans with a reduced polyphenol oxidase activity and a high polyphenol content, non-fermented and non-roasted raw cocoa beans are treated in a process that combines steam steaming and drying. suggest. It is described therein that for the cocoa beans after steaming, the total polyphenol content ranges from 0 to 30 g/100 g cocoa beans, and the low molecular weight polyphenol content ranges from 0 to 20 g/100 g cocoa beans. It is also explained that cocoa liquor, cocoa powder or extracts with high polyphenol content can be produced from the cocoa beans obtained and that products derived from such cocoa beans can be used in confectionery products, chocolates and cocoa-containing products. It is
- Non-Patent Document 1 beans, groundnuts, and soybeans, which are usually not used as raw materials for bean paste except adzuki beans, are used as raw materials to produce bean paste, but the use of cacao beans is not mentioned.
- cacao beans are generally ground in a dry state after being roasted so as to have a characteristic aroma and physical properties.
- Japanese Patent Application Laid-Open No. 2008-200032 JP 2010-041965 A Japanese Patent Application Laid-Open No. 09-234018 JP-A-11-308978 International publication WO2003/077668 (Japanese Patent Publication No. 2005-520505) United States Patent Publication US 2007/0184167 A1 JP-A-48-068777 JP-A-10-033119 US8048469 publication WO 2021/066119 (PCT/JP2020/037486) (published after the priority date of this application)
- the present invention provides the following.
- Puffed flour food containing any one of the following cacao compositions (a) to (d): (a) a cocoa composition having a particle size distribution in the range of 10 ⁇ m to 1.5 mm and containing unbroken cocoa bean cells; (b) a cocoa composition having a free fat content of 60% by weight or less per oil content; (c) a cocoa composition having 30% or more uncrushed cocoa bean cells in the cocoa bean cells; (d) A cocoa composition containing uncrushed cocoa bean cells having a breaking strength of 3 kgf or less.
- the present invention relates to a puffed flour food containing any one of the following cacao compositions (a) to (d).
- (a) A cocoa composition having a particle size distribution in the range of 10 ⁇ m to 1.5 mm and containing uncrushed cocoa bean cells (b) A cocoa composition having a free fat content of 60% by weight or less per oil component (c ) A cocoa composition containing 30% or more uncrushed cocoa bean cells (d) A cocoa composition containing uncrushed cocoa bean cells having a breaking strength of 3 kgf or less
- it is contained in foods. When the amounts of ingredients and materials used are expressed in percentages (% or parts), they are based on weight (mass) unless otherwise specified.
- puffed food refers to food that contains flour as a raw material, preferably contains flour in a ratio of 50% or more to the raw material excluding water, and is puffed by puffing means.
- Leavening means include yeast, air expansion, steam, and leavening agents. Yeast, when fermented, can leave the dough by producing carbon dioxide. Air expansion can be achieved, for example, by heating a dough that has been aerated by whipping or creaming ingredients such as eggs. Steam is generated, for example, by heating moisture contained in the dough.
- Baking powder can be mentioned as an example of a leavening agent. Raising agents typically include sodium bicarbonate (baking soda), which allows the dough to rise by generating carbon dioxide.
- the puffed grain food may be simply referred to as puffed food.
- the present invention is particularly suitable for application to foods in which gluten formation is involved in puffing, among flour puffed foods.
- Breads are examples of puffed foods that involve gluten formation. Cocoa powder may reduce gluten formation if cocoa powder is included.
- gluten is formed by binding wheat proteins (glutenin, gliadin) by absorbing water, there is a concern that the water absorption of cocoa powder may deprive cocoa powder of water necessary for gluten formation. Incorporating a cocoa composition in place of conventional cocoa powder can solve such problems.
- the present invention is also particularly suitable for application to foods with a moisture content of 10% or more among puffed flour foods. The moisture content of the puffed grain food can be measured by a method commonly used in the food field, such as the normal pressure heat drying method, the reduced pressure heat drying method, the Karl Fischer method, or the distillation method.
- the cocoa composition used in the puffed food is a material processed from cocoa beans and has the following characteristics: 1) Contains unbroken cocoa bean cells. 2) The particle size distribution is 10 ⁇ m to 1.5 mm. Alternatively, it has the following features. 3) The weight ratio of free fat content to oil content is 60% or less. Regarding the present invention, when referring to the proportions or ratios of components contained in a composition or the like, it is based on weight unless otherwise specified. Alternatively, it has the following features. 4) The number ratio of unbroken cells in cocoa bean cells is 30% or more. Alternatively, it has the following features. 1) Contains unbroken cocoa bean cells. 5) Breaking strength is 3 kgf or less.
- cocoa composition does not include whole raw cocoa beans.
- whole raw cocoa beans include natural cocoa beans per se, fermented cocoa per se.
- cocoa composition does not include existing cocoa nibs.
- Cocoa nibs are cocoa beans from which the shell has been removed and which have not been heated in the presence of moisture.
- cacao nibs include heat sterilized and/or roasted cacao nibs commonly used in the production of general chocolate and cocoa. Cocoa nibs also include crushed products of the foregoing.
- the cacao composition is that it is heated in the presence of moisture (wet heating).
- wet heating includes boiling, steaming, braising, and microwave heating in the presence of moisture.
- References to wet heating do not include heating for the purpose of sterilization or roasting. As described later, the temperature and time for wet heating can deactivate the contained polyphenol oxidase to some extent, and the breaking strength is softened to a certain range.
- cocoa beans (wet heat pulverized products) and dried products thereof (wet heat pulverized dry products) that are heated in the presence of moisture and pulverized so as to leave a relatively large number of unbroken cells, as well as such pulverized
- Wet heat-treated cocoa beans (wet-heated beans) and dried products thereof (wet-heated dried beans), ground wet-heated dried beans (wet-heated dried ground products), dried cocoa beans (dried beans) for for wet heating and grinding can be directly or indirectly a cocoa composition practice.
- cocoa composition has a special particle size distribution.
- ordinary cocoa mass has a particle size distribution in which 98% or more of the particles are within the range of 0.5 to 100 ⁇ m and have a single peak within the range of 5 to 20 ⁇ m.
- the particle size of cacao nibs depends on the degree of crushing, but usually the particles are visible and hardly pass through a sieve with an opening of 1 mm.
- Cacao beans refer to the seeds of cacao (Theobroma cacao), and the variety and production area of the cacao beans that are the raw material of the cacao composition are not particularly limited.
- cacao varieties include Forastero, Criollo, Trinitario, derivatives and hybrids thereof.
- localities include Ghana, Ivory Coast, Nigeria, Brazil, Venezuela, Trinidad and Tobago.
- cacao beans used as a raw material for chocolate are extracted from cacao pods (cacao nuts) together with pulp, fermented, and dried.
- the presence or absence or degree of processing is not particularly limited as long as it contains cacao bean cells of .
- cocoa bean processing include fermentation, depulping, drying, roasting (sometimes referred to as roasting or roasting), and enzyme deactivation.
- the raw cacao beans have not undergone a process that reduces polyphenols. Polyphenols are reduced by the action of enzymes that are accelerated in fermentation conditions and by high temperatures. Therefore, the raw cacao beans preferably used in the present invention are preferably not completely fermented and preferably not roasted. Completely fermented refers to fermenting the cocoa beans for at least 7 days after harvest.
- the raw cacao beans are preferably fresh cacao beans immediately after being taken out of the cacao pod or fresh cacao beans from which the pulp has been immediately removed.
- such fresh cocoa beans are preferably immediately treated to deactivate enzymes inherent in the cocoa beans, such as polyphenol oxidase. This is because, if the polyphenol oxidase activity inherent in the cocoa beans remains, it acts on the polyphenols of the cocoa beans and changes the color tone to dark brown.
- the raw cacao beans be whole beans. This is because, depending on the degree of crushing, the cocoa bean cells are broken and the oils and fats contained in the cells are released.
- a cocoa composition can be said to be a crushed product of cocoa beans.
- the cocoa bean crushing is not limited in size, provided that the resulting composition contains unbroken cocoa bean cells, as described below.
- Cocoa bean cells vary in size, but the smallest diameter is about 10 ⁇ m, so the cocoa composition may contain particles of about 10 ⁇ m or larger.
- the particles refer to cocoa bean cells themselves or aggregates of cocoa bean cells.
- Aggregates of cocoa bean cells include a form in which cocoa bean cells are not separated and remain in a state of adherent tissue, and a form in which cocoa bean cells are aggregated after being separated.
- the particle size distribution of the cocoa composition is, for example, 10 ⁇ m to 1.5 mm, preferably 10 ⁇ m to 1.2 mm, more preferably 10 ⁇ m to 1 mm.
- particle size distribution refers to the degree of particle size distribution contained in the target composition, unless otherwise specified.
- the composition when the composition has a particle size distribution within a specific range, it means that the composition has a particle size distribution of 70% or more, preferably 70% or more, when the composition is subjected to laser diffraction particle size distribution measurement, unless otherwise specified. It means that 80% or more, more preferably 90% or more, still more preferably 95% or more, and still more preferably 98% or more of the particle diameter is within the specific range. % here is a value based on volume (relative particle amount).
- the median diameter of the particles contained in the cocoa composition is 200-400 ⁇ m, preferably 240-380 ⁇ m, more preferably 280-360 ⁇ m, still more preferably 300-340 ⁇ m.
- the mode diameter is 280-480 ⁇ m, preferably 310-460 ⁇ m, more preferably 350-430 ⁇ m, still more preferably 370-410 ⁇ m.
- the average diameter is 150-350 ⁇ m.
- the cocoa composition has a relative particle amount of 5% or more of particles having a particle size in the range of 0.2 mm to 0.7 mm. The measurement is based on volume by a laser diffraction particle size distribution measurement method.
- the means of crushing is not particularly limited, and examples include crushing with a mixer or the like, and filtering through a sieve with a mesh size equal to or larger than cacao bean cells.
- the cocoa composition can also be in the form of a paste or a dry product thereof. That is, the cocoa composition can be said to be crushed heat-treated cocoa beans.
- the cacao composition it is a material that can be easily crushed by heating means such as boiling, steaming, steaming, or microwave heating in the presence of moisture.
- the heat treatment deactivates the polyphenol oxidase present in the cocoa beans.
- the heat-treated cacao beans are considered to be in a state where the raw cacao beans can be separated into cells.
- the paste may be in a state containing relatively large solids, such as granulated bean paste.
- a cacao composition in the form of a paste contains 15% or more of water, preferably 20% or more, more preferably 25% or more, and still more preferably 30% or more.
- the upper limit of water contained in the pasty cacao composition is not particularly limited as long as it is a paste, and the lower limit is, for example, 70% or less, preferably 60% or less in any case. Yes, more preferably 55% or less, still more preferably 40% or less.
- the cocoa composition which is in the form of a dry matter, more particularly in the form of a powder, has a moisture content of 5% or less, preferably 4% or less, more preferably 3.5% or less, even more preferably 3% or less.
- There is no particular lower limit to the water content contained in the powdered cocoa composition and whatever the upper limit is, for example, 0%, 0.1% or less, 0.5% or less, or 1%. can be:
- the cocoa composition contains unbroken cocoa bean cells. Uncrushed means that the cell membrane is not crushed. Whether or not the target composition contains unbroken cocoa bean cells can be determined by observing with a microscope or the like whether or not the presence of cells surrounded by cell membranes can be confirmed. In addition, if the cocoa bean cells are uncrushed, lipids and proteins remain in the cells. It can be determined by whether or not the protein and lipid are located at the same location.
- the proportion of uncrushed cocoa bean cells in the cocoa bean cells contained in the cocoa composition is preferably high from the viewpoint of preventing the release of free fat from the cells.
- the ratio of uncrushed cocoa bean cells to cocoa bean cells can be calculated from the number of total cells and the number of uncrushed cocoa bean cells observed in a certain area by observing the processed cocoa bean product under a microscope. Specifically, the method is as follows. (1) Add 2 ml of water to 0.03 g of sample and stir, then add 0.5 ml of 0.01% methylene blue solution and stir. 450 times). (2) Obtain the area area (A) and the number of crushed cells (B) of the sample from the observation image or the photographed image using image analysis software as necessary.
- the number of crushed cells is obtained by visually selecting and counting the crushed cells contained in the area.
- Calculate the total cell number (D) by dividing the area area (A) by the area of one unbroken cell (C).
- the ratio (%) of unbroken cells in cocoa bean cells is calculated by the following formula. At this time, using 5 or more, preferably 10 or more, areas where the total number of cells (D) is in the range of 100 to 300, calculate the value for each by the following formula, and average the obtained values. It can be the percentage of unbroken cells in the cocoa bean cells of the sample.
- This proportion of the cocoa composition is, for example, 30% or more, preferably 40% or more, more preferably 50% or more, even more preferably 60% or more, even more preferably 70% or more, It is more preferably 80% or more, still more preferably 90% or more, and most preferably 100%.
- Cocoa mass which is a common cocoa bean processed product, is usually finely pulverized to about 20 ⁇ m or less in the manufacturing process. Therefore, in cocoa mass, oils and fats, polyphenols, and the like are released from crushed cocoa bean cells.
- the cacao composition has the property that the oils and fats derived from cocoa beans and polyphenols are sealed in the cocoa bean cells whose cell membranes are not crushed, so that these components are less likely to seep out.
- the cocoa composition has a low free fat content per oil.
- free fat refers to fat present in the material in a free state. Free fat affects the fluidity, viscosity, etc. of chocolate. In addition, it is thought that oil tends to seep out from materials containing a large amount of free fat.
- the free fat content per oil component (sometimes simply called the free fat content)
- it is measured and calculated by the following method, unless otherwise specified. That is, it refers to the ratio (weight basis) of free fat to fats and oils contained in the target composition.
- Free fat content measurement (1) Put about 5g (a) of the sample into a 50ml centrifuge tube (2) Add 25ml of n-hexane (3) Shake 130 times/min for 3 minutes with an amplitude of 4 cm (4) Centrifugation at 3000 rpm, 4°C, 10 minutes (5) Measure the weight (b) of the 100ml Erlenmeyer flask (6) Transfer the supernatant from (4) above to a filter paper and filter, then collect the filtrate in a 100 ml Erlenmeyer flask. (7) Blow nitrogen gas to evaporate n-hexane (8) Hold at 98°C under reduced pressure for 4 hours in a vacuum constant temperature dryer to evaporate n-hexane. (9) After air cooling in a desiccator, measure the weight (c) of the Erlenmeyer flask.
- the free fat content per oil content of the cocoa composition is, for example, 60% or less, preferably 50% or less, more preferably 40% or less, still more preferably 30% or less, and still more preferably 28%. or less, more preferably 20% or less, still more preferably 16% or less, and still more preferably 10% or less. From the standpoint of particularly little oil exudation and excellent compatibility with water-based foods, the free fat content per oil content of the cocoa composition is preferably 30% or less.
- the free fat content per solid content of the cocoa composition is, for example, 42% or less, preferably 30% or less, more preferably 25% or less, still more preferably 20% or less, and still more preferably 16%. % or less, more preferably 14% or less, still more preferably 8% or less, still more preferably 5% or less.
- the free fat content per solid content of the cocoa composition is preferably 16% or less from the viewpoint of particularly little oil exudation and excellent compatibility with water-based foods.
- the free fat content in the cocoa composition is, for example, 41% or less, preferably 25% or less, more preferably 20% or less, still more preferably 15% or less, still more preferably 14% or less. more preferably 10% or less, more preferably 8% or less, and even more preferably 5% or less.
- the content of free fat in the cocoa composition is preferably 10% or less from the viewpoint of particularly little oil exudation and excellent compatibility with water-based foods.
- unprocessed cocoa beans have a low free fat content
- conventional processed cocoa beans have a high free fat content because the cells are crushed during the processing process.
- the cacao composition contains cocoa bean-derived fats and oils in cocoa bean cells whose cell membranes have not been crushed, even though the cocoa composition contains cocoa bean-derived fats and oils at a correspondingly high concentration, It has a low free fat content, which is a distinctive feature not found in conventional processed cocoa beans.
- the cocoa composition has a high polyphenol content. Also, the cocoa composition has a high procyanidin content. This is because the heat treatment inactivates the polyphenol oxidase present in the cocoa beans.
- the lower limit of the polyphenol content of the cocoa composition is, for example, 1.0% or more, more specifically 1.5% or more, more specifically 1.8% or more, preferably 2%, based on the solid content. 0% or more, more preferably 2.4% or more, still more preferably 2.8% or more, still more preferably 3.2% or more, still more preferably 3.6% or more , more preferably 3.8% or more, more preferably 4.0% or more.
- the upper limit of the polyphenol content in the cocoa composition is, for example, 10% or less, preferably 8% or less, and more preferably 7.6 per solid content. % or less, more preferably 7.2% or less, still more preferably 6.8% or less, still more preferably 6.4% or less.
- the polyphenol content refers to the value measured by the Folin-Ciocalteu method and converted into (-)-epicatechin, unless otherwise specified.
- the method of measuring polyphenols by the Foreign Ciocult method refer to the National Chocolate Industry Fair Trade Council "Labeling Standards for Cocoa Polyphenols in Chocolate” Attachment "Cocoa Polyphenol Measurement Method”.
- the polyphenols contained in the cacao composition are derived from cacao beans and are sometimes called cacao polyphenols.
- the polyphenol content of the cocoa composition is a value measured as the total amount of various polyphenol compounds, it can be referred to as the total polyphenol content, total polyphenol content, or the like.
- the cacao composition contains a large amount of procyanidins.
- the lower limit of the procyanidin content of the cocoa composition is, for example, 0.2% or more, preferably 0.3% or more, more preferably 0.5% or more, and still more preferably 0%, based on the solid content. .7% or more, more preferably 1.1% or more, still more preferably 1.3% or more, still more preferably 1.5% or more, still more preferably 1.7% or more .
- the upper limit of the procyanidin content in the cocoa composition is, for example, 5% or less, preferably 4% or less, and more preferably 3.5% per solid content. % or less, more preferably 3.0% or less, still more preferably 2.7% or less, still more preferably 2.2% or less.
- the procyanidin content refers to the value of catechin, epicatechin, procyanidin B2, procyanidin B5, procyanidin C1, and cinnamtannin A2 measured using HPLC, unless otherwise specified.
- the cocoa composition may be heat-treated in the presence of moisture as described below to soften the breaking strength to a certain range.
- the breaking strength of the cocoa composition is, for example, 3 kgf or less, preferably 2.87 kgf or less, more preferably 2.49 or less, further preferably 2.46 or less, and 2.28 kgf or less. is more preferable.
- the lower limit can be 0.5 kgf or more, preferably 1.0 kgf or more, more preferably 1.42 kgf or more, and 1.69 kgf or more. It is even more preferable to have
- the breaking strength is measured as follows, unless otherwise specified.
- a sample dried at 100° C. for 4 hours or more under reduced pressure is measured with a rheometer using a cylindrical plunger with a diameter of 3 mm at an penetration depth of 4.0 mm and an penetration speed of 2 cm/min.
- the temperature of the sample should be 22-24°C. If the measured values obtained vary, perform measurements on an appropriate number of samples. An appropriate number of samples can be appropriately determined by those skilled in the art. For example, 50 samples may be taken from one composition and the average value of the 50 measured values may be taken as the breaking strength of the composition.
- the cocoa composition may contain food acceptable additives.
- additives include sweeteners, antioxidants, flavors, acidulants, excipients, surfactants, binders, disintegrants, lubricants, solubilizers, suspending agents, coating agents. , colorants, preservatives, buffers, pH adjusters, emulsifiers, stabilizers and the like.
- the cocoa composition can be produced by a production process comprising the steps of: - a step of heat-treating raw cocoa beans in the presence of moisture to obtain heat-treated cocoa beans; - A step of crushing the obtained heat-treated cocoa beans.
- the present invention also provides a manufacturing process suitable for obtaining a composition with a low free fat content, comprising: - A step of heat-treating raw cocoa beans in the presence of moisture to obtain heat-treated cocoa beans, or - A process of processing raw cacao beans so that they can be easily separated into cells.
- the means for heat treatment in the method for producing the cocoa composition is heating means in the presence of moisture so that the subsequent crushing step can be easily performed, and preferably the polyphenol oxidase inherent in the cocoa beans is deactivated.
- heating means include boiling (sometimes referred to as boiling or boiling), steaming, steaming, and microwave heating.
- the temperature and time for the heat treatment are preferably conditions that can inactivate polyphenol oxidase to some extent and can bring the breaking strength of the raw cacao beans to the above value.
- An example of such conditions is boiling in water of 80° C. or higher, preferably 90° C. or higher, more preferably boiling water for 10 minutes or longer, preferably 20 minutes or longer, more preferably 30 minutes or longer.
- Heat treatment in the presence of moisture has high thermal conductivity because water is used as a heat medium. It is also believed that the cell walls of cocoa beans and/or the adhesions between the cell walls can be softened by adjusting the heating temperature and time.
- the means for crushing in the method for producing a cacao composition is not particularly limited as long as a composition containing uncrushed cocoa bean cells can be obtained. There is no limit to the size of the crushed material. The smallest particle size is the size of a cocoa bean cell, eg about 20 ⁇ m in diameter.
- the puffed food can be blended with a cacao composition as a raw material within a range that does not impair the effects of the present invention. 25%, more preferably 8-23%.
- the blending amount of the cacao composition can be expressed as an amount relative to flour.
- the amount of the cocoa composition per 100 parts by weight of flour in the raw material is preferably 2 to 62 parts by weight, more preferably 10 to 60 parts by weight, and even more preferably 20 to 58 parts by weight. If the amount of the cacao composition is less than this range, it is difficult to say that a sufficient amount of polyphenols can be ingested to obtain physiological functions when the food is ingested in a normal amount. On the other hand, when the content is higher than this range, it is difficult to obtain a good puffed food because the blending ratio of flour is relatively low.
- the puffed flour food containing the cocoa composition provided by the present invention is well puffed despite being rich in cocoa polyphenols.
- the cocoa composition contains cocoa polyphenols containing uncrushed cocoa bean cells, there is an advantage that the bitter taste of polyphenols is hardly felt while having the flavor of cacao.
- the polyphenol content and procyanidin content in the ingredients can be determined by the methods described above or in the Examples section. Also, the polyphenol content and the procyanidin content in the puffed food dough can be calculated by totaling the respective contents in the blended raw materials. Since the polyphenol content measurement method (Folin-Ciocalteu method) is a method to quantify OH groups, there is a concern that ingredients other than polyphenols may be measured depending on the food. If there is such a concern, it is possible to appropriately measure the polyphenol content due to the blending of the target material by producing a food that does not contain the target material as a control and subtracting it as a base.
- the content of polyphenols and procyanidins in the puffed food is the content measured for a sample obtained by subjecting the puffed food to be evaluated to pretreatment simulating digestion in the human body.
- an appropriate control may be provided. More specifically, the target puffed food is pretreated to simulate digestion in the human body, and the polyphenol content and procyanidin content are measured by the method described above or in the Examples section (measurement value A )
- the control puffed food subjected to the same pretreatment produced in the same manner as the puffed food to be measured, except that the polyphenol-containing material was replaced with flour
- was similarly measured (measured value B).
- the value obtained by subtracting the measured value B from the value A is taken as the polyphenol content or procyanidin content in the puffed food.
- Pretreatment that mimics digestion in the human body means treating the target puffed food with artificial gastric juice and artificial intestinal juice. Not only cacao compositions but also cacao raw materials are likely to bind to protein, and it is difficult to measure polyphenol content and procyanidin content in the bound state, so pretreatment is preferred.
- the polyphenol content measured after pretreatment is not a theoretical value calculated from the amount contained in the raw material, but the content as polyphenol and procyanidin obtained after processing simulating digestion in the human body.
- the puffed food contains cacao polyphenols at least 0.01%, for example 0.02% or more, more specifically 0.05% or more, preferably 0.1% or more, more preferably 0.15% or more, and still more preferably 0.2% or more as polyphenol content. do.
- the upper limit of the content of cacao polyphenols in the puffed food can be adjusted according to the flavor of the puffed food. Preferably, it can be 6% or less.
- the puffed food contains at least 0.005% or more, preferably 0.01% or more, more preferably 0.015% or more, and still more preferably 0.02% or more as procyanidins.
- the upper limit of the procyanidin content in the puffed food can be adjusted according to the flavor of the puffed food, for example 4% or less, preferably 3% or less, more preferably 2% or less, and still more preferably 1% or less. can do.
- cocoa polyphenols are contained in the form of a cocoa composition containing uncrushed cocoa bean cells.
- a puffed food can be obtained that is rich in
- the form of the puffed food of the present invention can be made as appropriate. Examples include breads, donuts, sponge cakes, pound cakes, cupcakes, muffins, baumkuchen, madeleines, waffles, scones, macaroons, soufflés, choux, eclairs, steamed bread, and the like.
- a particularly preferred example of puffed food is bread.
- Bread consists of: 1) Wheat flour or wheat flour added as the main ingredient to which yeast is added, or water, salt, fruits such as grapes, vegetables, eggs and their processed products, sugar 2) Sweet bean paste, cream , Jams, edible oils and fats, etc. wrapped in bread dough, folded, or placed on top of bread dough and baked, and the moisture content of the baked bread dough is 10% or more; , cakes, jams, chocolates, nuts, sugars, flour pastes, margarines, and edible oils and fats processed into creams are stuffed, sandwiched, or coated.
- Examples of bread include white bread, copdozens bread, raisin bread, French bread, soft French bread, bread rolls, croissants, English muffins, and naan.
- the puffed food can be variously shaped and processed as long as it does not interfere with the effects of the invention.
- puffed foods can be coated (chocolate, icing, etc.), decorated with powdered sugar or nuts, mixed with solid ingredients such as chocolate, fruit, nuts, etc., and also include cocoa compositions. It can be mixed with non-woven dough and made into a marble shape or the like.
- cereal flour includes cereal flour, bean flour, potato flour, and starch-based flour.
- grain flour include wheat flour (strong flour, all-purpose flour, soft flour, flour for French bread), rye flour, whole wheat flour, buckwheat flour, rice flour (joshin flour, shiratama flour, glutinous rice flour), brown rice flour, foxtail flour, millet flour, Soy flour, corn flour, corn starch, potato flour, potato starch, sweet potato flour, and tapioca flour.
- wheat flour strong flour, all-purpose flour, soft flour, flour for French bread
- rye flour whole wheat flour
- buckwheat flour buckwheat flour
- rice flour joshin flour, shiratama flour, glutinous rice flour
- brown rice flour foxtail flour
- millet flour Soy flour
- corn flour corn starch
- potato flour potato starch
- sweet potato flour and tapioca flour
- puffed foods may contain other raw materials, other active ingredients that are acceptable as foods, and nutritional ingredients.
- the composition may further contain food-acceptable additives.
- other raw materials include eggs, sugars, malt syrup, fats and oils, yeast (dry yeast, fresh yeast), leavening agents, salt, nuts, dried fruits, fruit puree, vegetables, chocolate chips, cheese, adzuki beans, etc. be done.
- food-acceptable additives include additives such as sweeteners, coloring agents, flavoring agents, preservatives, acidulants, thickeners, stabilizers, and the like.
- the puffed food of the present invention is produced by mixing raw materials to prepare dough and heating the obtained dough. If necessary, a fermentation step may be added before the heating step.
- the means for mixing the raw materials is not particularly limited, and a known mixing device can be used. Examples of heating means for the dough include baking using an oven or the like, steam heating using a steamer or the like, oil frying, boiling, microwave heating, and the like.
- the stage of compounding the cacao composition is not particularly limited as long as it does not significantly impair the properties of the composition of the present invention.
- it can be blended with other raw materials in the initial stage of production.
- Puffed foods may be labeled as containing processed cacao beans, in large amounts, as containing polyphenols, in large amounts, and the expected effects of polyphenols. It is possible to indicate that the subject is recommended to consume the food. Labeling can be done directly or indirectly. Examples of direct labeling are descriptions on tangible objects such as the product itself, packages, containers, labels, tags, etc. Examples of indirect labeling are: Including advertising and publicity activities by place or means such as websites, stores, pamphlets, exhibitions, books, newspapers, magazines, television, radio, mail, e-mail, voice, etc.
- composition (cocoa composition) containing uncrushed cocoa bean cells was prepared by the following method, using as a raw material the pulped cocoa beans taken out from the cocoa pods and then dried.
- Softening process (1) Put 5 times the weight of cacao beans in a pan and bring it to a boil. (2) Add cacao beans as a raw material to (1) and boil for 1 hour. (3) Open the cocoa beans in a colander and drain the water.
- the crushed material obtained in the crushing step is dried in a vacuum dryer (drying conditions: 98°C, 2 hours) to prepare crushed powdery cacao beans with a moisture content of 3% or less.
- the powdered cacao bean crushed product is again passed through a 32Me sieve to be pulverized.
- composition containing uncrushed cocoa bean cells was used in the following examples.
- the polyphenol content in the puffed food is obtained by measuring the sample after the following pretreatment according to the following "Method for measuring polyphenol content" to obtain a measured value A.
- a control puffed food prepared in place of was measured in the same manner to obtain a measured value B, which was obtained by the following formula.
- Polyphenol content (mg/g) in puffed food Measured value A (mg/g) - Measured value B (mg/g)
- the procyanidin content in the puffed food is measured according to the following "Method for measuring procyanidin content" for the obtained sample after performing the following pretreatment to obtain a measured value A, and the polyphenol-containing material is obtained.
- a control puffed food produced by substituting for wheat flour was measured in the same manner to obtain measured value B, which was obtained by the following formula.
- Procyanidin content (mg/g) in puffed food Measured value A (mg/g) - Measured value B (mg/g)
- Preprocessing 1 g of each sample and 1 ml of warm water (37-40° C.) were placed in a centrifuge tube and mixed by vortexing for 2 minutes. Add 15 ml of artificial gastric juice (prepared by mixing 100 ml of disintegration test first liquid, pH 1.2 (FUJIFILM Wako Pure Chemical Co., Ltd.) with 107 mg of pepsin (FUJIFILM Wako Pure Chemical Co., Ltd.)) warmed to 37°C. , 37°C, and shaken at 100 rpm for 60 minutes. (2) 2 ml of 2N NaHCO 3 was added for neutralization.
- artificial gastric juice prepared by mixing 100 ml of disintegration test first liquid, pH 1.2 (FUJIFILM Wako Pure Chemical Co., Ltd.) with 107 mg of pepsin (FUJIFILM Wako Pure Chemical Co., Ltd.)
- pancreatin Pancreatin (Fujifilm Wako Pure Chemical Industries, Ltd.) with 100ml of artificial intestinal fluid (liquid 2 for disintegration test, pH 6.8 (Fujifilm Wako Pure Chemical Industries, Ltd.) warmed to 37°C. preparation) was added, and the mixture was shaken at 37°C and 100 rpm for 120 minutes.
- the enzyme was deactivated by cooling with ice.
- 2 ml was taken out, 0.2 ml of 2N citric acid was added, and the acidified sample was used as an analysis sample.
- the polyphenol content was measured by the Folin-Ciocalteu method and calculated as (-)-epicatechin equivalent. Specifically, it was measured and calculated according to the method described in the National Chocolate Industry Fair Trade Council "Labeling Standards for Cocoa Polyphenols in Chocolate” attached sheet “Cocoa Polyphenol Measurement Method”.
- Procyanidin content was measured by HPLC. Specifically, the column used was Deverosil-ODS-HG5 (4.6 mm ⁇ 250 mm, ⁇ 5 ⁇ m, manufactured by Nomura Chemical Co., Ltd.). The eluent was composed of liquids A and B, with liquid A being a 0.1% trifluoroacetic acid aqueous solution and liquid B being a 0.1% trifluoroacetic acid/acetonitrile solution. The flow rate of the eluent passed through the column was 0.8 ml/min, and the gradient conditions were 10% at the start, 10% at 5 minutes after the start, and 10% at 35 minutes after the start. 25%, 100% 40 minutes after the start, and 100% 45 minutes after the start.
- the amount of sample injection was 10 ⁇ L, and epicatechin was used as a standard, and each component was quantified in terms of epicatechin equivalent.
- Polyphenol-containing material A used in each test plot Composition containing powdery uncrushed cocoa bean cells (polyphenol content: 55 mg/g)
- B comparative example: cocoa powder (oil content 22%, with alkalization, polyphenol content 35 mg/g)
- C comparative example: cocoa powder (oil content 12%, no alkalization, polyphenol content 52 mg/g)
- D comparativative example: cocoa powder (oil content 22%, no alkalization, polyphenol content 45 mg/g)
- cocoa polyphenols are rich in content (0.55% as a polyphenol content obtained after processing simulating digestion in the human body). % or more), it was possible to obtain bread having good flavor with little bitterness while maintaining good puffing.
- test plots B to D in which cocoa powders with different oil content, alkalinization, and polyphenol content were blended with the same amount of cacao polyphenols, had suppressed swelling and a strong bitterness.
- Example 2 Composition containing powdered uncrushed cocoa bean cells (polyphenol content 35 mg/g)
- B comparative example: cocoa powder (oil content 22%, no alkalization, polyphenol content 40 mg/g)
- C comparativative example: cocoa powder (oil content 12%, no alkalization, polyphenol content 43 mg/g)
- D Comparative Example: Cacao extract powder (manufactured by the method of Patent No. 6268333. Polyphenol content: 165 mg/g)
- D could not be molded by adding the water of the b raw material in the recipe table, so it was manufactured without adding the water of the b raw material.
- the puffed food (bread) produced by the above process was left to cool at room temperature (25°C) for 1 hour, then used for various measurements and sensory evaluation by 3 expert panels.
- the cocoa polyphenol content is rich (0.2% as polyphenol content obtained after processing simulating digestion in the human body). As described above), it was possible to obtain a puffed food (bread) that maintained good puffing and had less bitterness and good flavor.
- Example Composition containing powdered uncrushed cocoa bean cells (polyphenol content 35 mg/g, procyanidin content 3.6 mg/g, free fat content 23.4% (per weight of composition))
- B comparative example: cocoa powder (12% oil, no alkalization, polyphenol content 52 mg/g, procyanidin content 4.8 mg/g)
- the puffed food (bread) produced in the above process was allowed to cool at room temperature (25°C) for 1 hour and then used for various measurements.
- composition containing powdery uncrushed cacao bean cells By using a composition containing powdery uncrushed cacao bean cells, it is possible to obtain a good puffed food (bread) with a high content of polyphenol-containing material, good cacao aroma and little bitterness. did it.
- A control formulation
- B a composition containing powdered uncrushed cocoa bean cells (polyphenol content 35 mg / g, procyanidin content 3.6 mg / g). used.
- the polyphenol content and procyanidin content in the table are theoretical values.
- Flavors were evaluated by two experts according to the following criteria.
- bitter taste ++: Bitterness similar to puffed food containing no cacao raw material.
- + Slightly bitter taste compared to the puffed food containing no cacao raw material, but within the range of no problem.
- - Clearly bitter compared to the puffed food containing no cacao ingredients.
- astringency ++: Astringency similar to puffed food containing no cacao raw material.
- + Slightly astringent taste compared to the puffed food containing no cacao ingredients, but within the range of no problem.
- - Clearly astringent compared to the puffed food containing no cacao ingredients.
- composition containing uncrushed cocoa bean cells (cocoa composition)> Prepared and manufactured the following.
- Cocoa bean raw material A The pulped cocoa beans removed from the cocoa pods were used as raw material A below.
- Cocoa bean raw material B The pulp-bearing cocoa beans taken out from the cocoa pods were removed from the pulp and dried, which was used as raw material B below.
- Cocoa mass was prepared as a conventional cocoa bean processed product through conventional fermentation, drying, roasting and grinding processes.
- the cocoa mass was also processed in a conventional hydraulic press to prepare 12% oil or 22% oil cocoa powder.
- Cocoa bean processed product A1 using raw material A, pureed by 32 mesh
- A2 using raw material A
- 32 B1 using raw material B, pureed by 32 mesh
- B2 using raw material B, pureed by 32 mesh and 60 mesh
- Heat treatment step (1) Put 5 times the weight of the cacao beans in a pot and bring it to a boil. (2) Add raw cacao beans to (1) and boil raw material A for 30 minutes and raw material B for 1 hour. (3) Open the cocoa beans in a colander and drain the water. It was found that there was no difference in the polyphenol residual rate whether the amount of water at the time of boiling was 5 times or 20 times the amount, and that the boiling time affected the polyphenol residual rate.
- Polyphenol content was measured by the Folin-Ciocalteu method described above.
- the polyphenol residual rate was calculated assuming that the total amount of polyphenols in the green beans taken out from the cacao pod was 100%.
- the pulp was removed from the cocoa beans with pulp taken out from the cocoa pod, and the total amount of polyphenols in the dried cocoa beans was calculated as 100%.
- Procyanidins were quantified by HPLC as described above.
- the procyanidin residual rate was calculated with the procyanidin content of the raw beans taken out from the cacao pod as 100%.
- the procyanidin content of the dried cocoa beans after removing the pulp from the cocoa beans with pulp removed from the cocoa pod was calculated as 100%.
- Free fat was measured by the following method. (1) Put about 5g (a) of the sample into a 50ml centrifuge tube (2) Add 25ml of n-hexane (3) Shake 130 times/min for 3 minutes with an amplitude of 4 cm (4) Centrifugation at 3000 rpm, 4°C, 10 minutes (5) Measure the weight (b) of the 100ml Erlenmeyer flask (6) Transfer the supernatant from (4) above to a filter paper and filter, then collect the filtrate in a 100 ml Erlenmeyer flask.
- Nile Mix staining solution Add 2% ultrapure water to 1,2-Propanediol and mix to prepare a solvent. Add 0.02 g of Nile Red and 0.01 g of Nile Blue A into the solvent, adjust the volume to 1 L, and stir and mix for 1 hour or longer.
- the ratio of unbroken cells was measured and calculated by the following procedure. (1) Place 0.03 g of the measurement sample in a conical tube, add 2 ml of ultrapure water and stir, then add 0.5 ml of 0.01% methylene blue solution (methylene blue trihydrate (molecular formula: C 16 H 18 N 3 SCl. 3H 2 O (molecular weight: 373.90) was dissolved and diluted with ultrapure water to make a 0.01% (w/v) methylene blue solution) and stirred. Observe with a scope (magnification: 450x).
- the ratio (%) of unbroken cells in cocoa bean cells is calculated by the following formula. Values are calculated for 5 or more areas where the total cell count (D) is in the range of 100 to 300, and the average value is obtained.
- particle size distribution It was measured with a particle size distribution analyzer (laser diffraction particle size distribution analyzer SALD-2200 (Shimadzu Corporation)).
- SALD-2200 Laser diffraction particle size distribution analyzer SALD-2200 (Shimadzu Corporation)
- the vertical axis of the drawing indicates the relative particle amount in %, which indicates the ratio of the volume distribution of each particle size to the total volume, and the horizontal axis indicates the particle size in ⁇ m.
- Moisture Moisture content is defined as "Attachment Nutrition Labeling" on the website of the Consumer Affairs Agency of Japan (http://www.caa.go.jp/policies/policy/food_labeling/food_labeling_act/pdf/foods_index_18_180119_0003.pdf) 4. Analysis methods for components, etc.”
- Carbohydrates (a) Moisture (3) Measured according to the vacuum heat drying method.
- oil content For oil content, refer to "Attachment Nutrition Labeling" (http://www.caa.go.jp/policies/policy/food_labeling/food_labeling_act/pdf/foods_index_18_180119_0003.pdf) on the website of the Consumer Affairs Agency of Japan. Analytical methods for components, etc.” 2. Lipids (1) Measured according to the ether extraction method.
- Cocoa mass and cocoa powder which are conventional cocoa bean processed products, have a free fat ratio of 70% or more to the contained oil, whereas cocoa compositions (cocoa bean processed products A1 to B2 in the table). ) was 30% or less, which was significantly low.
- the polyphenol residual rate is 40 to 51% in cocoa mass, which is a conventional cocoa bean processed product, but is 70% or more in the cocoa composition, which is significantly higher than the material obtained by the conventional processing method. It had a high survival rate.
- the procyanidin residual rate is also 16 to 21% in cocoa mass, which is a conventional cocoa bean processed product, while it is 70% or more in the cocoa composition, which is significantly higher than that of materials obtained by conventional processing methods. had a rate
- lipids are present in the cells of unprocessed cocoa beans, and in the cocoa composition, the locations of proteins and lipids are the same. It was confirmed that the lipid remained in the cells. On the other hand, in cacao mass, since the locations of proteins and lipids differ (Fig. 6c), lipids and proteins present in the cells were released when the cells were crushed.
- the percentage of uncrushed cocoa bean cells in the cocoa bean cells of the processed cocoa bean product B2 was calculated as an average value based on the above table and was 74.7%.
- cocoa mass had a peak in the particle size range of 5-10 ⁇ m (Fig. 7b), while the cocoa composition (cocoa bean processed product A2, 60 mesh pureed product) was different from cocoa mass. , had a large particle size, with a particle size of approximately 20 ⁇ m or more (Fig. 7a). In FIG. 7a, 100% of the particles were contained within the range of 10 ⁇ m to 1.5 mm, so the particle size distribution of the cocoa bean processed product A2 was within the range of 10 ⁇ m to 1.5 mm.
- the cacao composition (Fig. 7a) had a median diameter of 318.8 ⁇ m, a mode diameter of 391.7 ⁇ m, and an average diameter of 269.9 ⁇ m.
- the cocoa mass (Fig. 7b) had a median diameter of 7.4 ⁇ m, a modal diameter of 7.5 ⁇ m and an average diameter of 6.8 ⁇ m.
- Breaking strength was measured under the following conditions. ⁇ Equipment used: FUDOH rheometer RTC-3010D-CW ⁇ S.ADJ (approach depth): 4.0mm ⁇ T.SPEED (approach speed): 2cm/min ⁇ Plunger: 3mm diameter cylindrical shape ⁇ Measurement method: Each sample (whole cocoa bean) was placed in the center of the stand, and the sample temperature was measured at 22-24°C.
- Boiling heating significantly reduced the breaking strength of cocoa beans.
- the breaking strength became smaller by lengthening the boiling time.
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Abstract
Description
従来のカカオ豆の加工品としては、カカオマスやココアパウダーが良く知られているが、それ以外にもいくつか検討されてきている。例えば、特許文献7は、チョコレートやココアパウダーの原料として利用されるカカオニブスに関し、クリスピーを改善し、ニブスの悪臭を除去し、チョコレート製造におけるコンチング時間を短縮できるものとして、カカオニブスを蒸煮処理し、次いでこれに適量の酵素を添加し、水とともに30~60℃で反応せしめた後、乾燥しローストすることを特徴とするカカオニブスの処理方法を提案する。このようにして得られたニブスは、チョコレートのほか、それ以外のキャンデー、キヤラメル、ケーキ、ビスケット等の菓子に用いることができ、広範囲の製菓原料とすることができる旨が述べられている。また特許文献8は、カカオ豆、コーヒー豆等の嗜好飲料用豆類を直接摂食できる新しい食品に加工する方法として、嗜好飲料用豆類を水又は塩類希薄水溶液に浸漬後取り出し、次いで調味液に浸漬して、該調味液が嗜好飲料用豆類に吸収される時間浸漬した後、取り出し、次いで乾燥することを特徴とする味付け嗜好飲料用豆類の製造法を提案する。この方法では調味液に浸漬することにより味付けする前に、水又は塩類希薄水溶液に浸漬する前処理をすることで、嗜好飲料用豆類が共通して持っている苦みが抑えられ、甘くてソフトな食感を有する味付け豆が得られ、このような味付け豆を直接摂食できる旨が説明されている。さらに特許文献9は、ポリフェノールオキシダーゼ活性が低下し、ポリフェノール含有量が高いカカオ豆を得る方法として、非発酵、非焙煎の生カカオ豆を水蒸気による蒸煮と乾燥を組み合わせた工程で処理することを提案する。ここでは、蒸煮後のカカオ豆に関し、総ポリフェノール含有量はカカオ豆100gあたり0~30gの範囲であり、また低分子量ポリフェノール含有量はカカオ豆100gあたり0~20gであることが説明されている。また得られたカカオ豆から、ポリフェノール含有量が高い、カカオリカー、ココアパウダー、又は抽出物が製造でき、そのようなカカオ豆に由来する製品を、菓子製品、チョコレート、カカオ含有製品に使用できることが説明されている。
[1] 以下の(a)~(d)のいずれかのカカオ組成物を含有する、穀粉膨化食品:
(a)粒度分布が10μm~1.5mmの範囲内にあり、未破砕カカオ豆細胞を含有するカカオ組成物、
(b)油分あたりのフリーファット含有率が60重量%以下であるカカオ組成物、
(c)カカオ豆細胞中の未破砕カカオ豆細胞が30%以上であるカカオ組成物、
(d)破断強度が3kgf以下である、未破砕カカオ豆細胞を含有するカカオ組成物。
[2] ポリフェノール含有量が0.01重量%以上である、1に記載の食品。
[3] ポリフェノール含有量が0.2重量%以上である、1又は2に記載の食品。
[4] プロシアニジン含有量が0.02重量%以上である、1~3のいずれか1項に記載の食品。
[5] 原料中のカカオ組成物の配合量が1~30重量%である、1~4のいずれか1項に記載の食品。
[6] イースト、及び膨張剤の少なくとも一つを含む、1~5のいずれか1項に記載の食品。
[7] パン類である、1~6のいずれか1項に記載の食品。
(a)粒度分布が10μm~1.5mmの範囲内にあり、未破砕カカオ豆細胞を含有するカカオ組成物
(b)油分あたりのフリーファット含有率が60重量%以下であるカカオ組成物
(c)カカオ豆細胞中の未破砕カカオ豆細胞が30%以上であるカカオ組成物
(d)破断強度が3kgf以下である、未破砕カカオ豆細胞を含有するカカオ組成物
なお本発明に関し、食品に含有される成分や素材の量を割合(%、又は部)で表す場合は、特に記載した場合を除き、重量(質量)に基づいている。
本発明に関し、穀粉膨化食品とは、穀粉を原材料に含み、好ましくは穀粉を水を除く原材料に占める割合が50%以上であるように含み、膨化手段により膨らんだ食品をいう。膨化手段は、イースト、空気の膨張、水蒸気、膨張剤を含む。イーストは、発酵により、二酸化炭素を発生することにより生地を膨らませることができる。空気の膨張は、例えば、卵等の原料のホイッピング又はクリーミングにより空気を含ませた生地を加熱することにより達成できる。水蒸気は、例えば、生地中に含まれる水分が加熱されることにより発生する。膨張剤の例として、ベーキングパウダーを挙げることができる。膨張剤は通常、炭酸水素ナトリウム(重曹)を含み、二酸化炭素を発生することにより、生地を膨らませることができる。なお以下では、穀粉膨化食品のことを、単に膨化食品ということがある。
(主な特徴)
穀粉膨化食品に用いられるカカオ組成物は、カカオ豆を原料として加工された素材であり、以下の特徴を有する:
1)未破砕カカオ豆細胞を含有する。
2)粒度分布が10μm~1.5mmである。
あるいは、以下の特徴を有する。
3)油分含有量に対するフリーファット含有量の重量比率が60%以下である。なお本発明に関し、組成物等について含有される成分の割合又は率をいうときは、特に記載した場合を除き、重量に基づく。
あるいは、以下の特徴を有する。
4)カカオ豆細胞中の未破砕細胞の個数比率が30%以上である。
あるいは、以下の特徴を有する。
1)未破砕カカオ豆細胞を含有する。
5)破断強度が3kgf以下である。
なお、カカオ組成物には、ホールの生カカオ豆は含まれない。ホールの生カカオ豆の例としては、天然のカカオ豆自体、発酵したカカオ豆自体が挙げられる。またカカオ組成物には既存のカカオニブは含まれない。カカオニブとは、カカオ豆からシェルが除去されたものであり、水分存在下で加熱されていないものである。ただし、カカオニブは、一般的なチョコレート及びココア製造で慣用されている加熱殺菌処理及び又はロースト処理されたものを含む。カカオニブには、前記のものの破砕物も含む。
カカオ豆は、カカオ(Theobroma cacao)の種子を指し、カカオ組成物の原料となるカカオ豆の品種や産地は、特に制限されない。カカオ品種の例として、フォラステロ種、クリオロ種、トリニタリオ種、これらの派生種、交配種が挙げられる。産地の例として、ガーナ、コートジボワール、ナイジェリア、ブラジル、ベネズエラ、トリニダード・トバゴが挙げられる。
カカオ組成物は、カカオ豆の破砕物であるということができる。カカオ豆の破砕は、後述するように得られる組成物が未破砕カカオ豆細胞を含有すれば、サイズに制限はない。カカオ豆細胞のサイズは様々であるが、最小径は約10μmであるから、カカオ組成物は、約10μm以上の粒子を含みうる。前記粒子とは、カカオ豆細胞そのもの、又はカカオ豆細胞の集合体をいう。前記カカオ豆細胞の集合体には、カカオ豆細胞が分離されず接着した組織の状態で残存している形態や、カカオ豆細胞が分離された後に凝集された形態も含まれる。カカオ組成物の粒度分布は、例えば10μm~1.5mmであり、好ましくは10μm~1.2mmであり、より好ましくは10μm~1mmである。
カカオ組成物は、未破砕のカカオ豆細胞を含有する。未破砕とは、細胞膜が破砕されていないことをいう。対象となる組成物に未破砕カカオ豆細胞が含有されているかどうかは、マイクロスコープ等を用いた観察により、細胞膜に囲まれた細胞の存在が確認できるか否かにより判断できる。またカカオ豆細胞が未破砕であれば、脂質及びタンパク質が細胞内にとどまっていることから、未破砕のカカオ豆細胞が含有されているかどうかは、タンパク質と脂質とをそれぞれ染色し、観察してタンパク質と脂質の所在が同じであるか否かにより判断できる。
(1) サンプル0.03gに2mlの水を加えて撹拌し、さらに0.5mlの0.01%メチレンブルー溶液を加えて、撹拌した後、スライドガラスに滴下し、カバーガラスを載せて顕微鏡で観察する(倍率:450倍)。
(2) 観察像、又はそれを撮影した画像から、必要に応じ画像解析ソフトを用いて、サンプルのエリア面積(A)と破砕細胞数(B)を求める。破砕細胞数は、エリアに含まれる破砕されている細胞を目視により選択してカウントすることにより得られる。
(3) 未破砕細胞を半径10μmの円として、一つの未破砕細胞の面積(C)を算出する(10×10×3.14=314μm2)。
(4) エリア面積(A)を一つの未破砕細胞の面積(C)で除して全細胞数(D)を算出する。
(5) カカオ豆細胞中の未破砕細胞の割合(%)は、以下の式により算出する。このとき、全細胞数(D)が100~300の範囲であるエリアを、5以上、好ましくは10以上用いて、各々について以下の式で値を算出し、得られた値を平均してそのサンプルのカカオ豆細胞中の未破砕細胞の割合とすることができる。
カカオ組成物は、油分あたりのフリーファット含有率が低い。チョコレート分野において、フリーファット(遊離油脂)とは、材料中に遊離状態で存在する油脂をいう。フリーファットは、チョコレートの流動性や粘度等に影響を与える。また、フリーファットを多く含む材料からは油がしみ出しやすいと考えられる。
(1) サンプル約5g(a)を50ml遠沈管に入れる
(2) n-ヘキサン25mlを加える
(3) 130回/分×3分間、振幅4cmで振とうする
(4) 3000rpm,4℃,10分間遠心分離
(5) 100ml三角フラスコの重量(b)を測定
(6) 上記(4)の上澄をろ紙上に移してろ過し、100ml三角フラスコでろ液を回収
(7) 窒素ガスを吹き付けてn-ヘキサンを蒸発させる
(8) 真空定温乾燥機にて、98℃、減圧下で4時間保持し、n-ヘキサンを蒸発させる
(9) デシケーター内で空冷後、三角フラスコの重量(c)を測定する
<y>油分あたりのフリーファット含有率(%)=<x>/a中の油分×100
<z>固形分あたりのフリーファット含有率(%)=<x>/(a-a中の水分)×100
カカオ組成物は、ポリフェノール含有量が高い。また、カカオ組成物は、プロシアニジン含有量が高い。加熱処理により、カカオ豆に内在するポリフェノールオキシダーゼが失活されているからである。
カカオ組成物は、後述するように水分存在下で加熱処理され、破断強度が一定の範囲値となるように軟化されていてもよい。カカオ組成物の破断強度は、例えば3kgf以下であり、2.87kgf以下であることが好ましく、2.49以下であることがより好ましく、2.46以下であることがさらに好ましく、2.28kgf以下であることがさらに好ましい。下限値は、上限値がいずれの場合であっても0.5kgf以上とすることができ、1.0kgf以上とすることが好ましく、1.42kgf以上とすることがより好ましく、1.69kgf以上であることがさらに好ましい。
減圧下、100℃、4時間以上乾燥させたサンプルを、レオメーターにより、直径3mm円柱状のプランジャーを用いて進入深度4.0mm、進入速度2cm/minで測定する。サンプルの温度は22~24℃とする。得られた測定値がばらつく場合は、適切なサンプル数に対して測定を行う。適切なサンプル数は、当業者であれば適宜決定できるが、例えば、一の組成物から50のサンプルを取り、50の測定値の平均値をその組成物の破断強度としてもよい。
カカオ組成物は、食品として許容される添加物を含んでいてもよい。そのような添加物の例は、甘味料、酸化防止剤、香料、酸味料、賦形剤、界面活性剤、結合剤、崩壊剤、滑沢剤、溶解補助剤、懸濁化剤、コーティング剤、着色剤、保存剤、緩衝剤、pH調整剤、乳化剤、安定剤等である。
カカオ組成物は、以下の工程を含む製造方法により製造することができる:
・原料カカオ豆を水分存在下で加熱処理し、加熱処理カカオ豆を得る工程、
・得られた加熱処理カカオ豆を破砕する工程。
また本発明は、フリーファット含有率の低い、組成物を得るのに適した、下記を含む製造方法を提供する:
・原料カカオ豆を水分存在下で加熱処理し、加熱処理カカオ豆を得る工程、あるいは、
・原料カカオ豆を細胞単位で分離が容易となるように加工する工程。
膨化食品は、原材料として、カカオ組成物を本発明の効果を損なわない範囲で配合することができるが、原材料中のカカオ組成物の配合量は、好ましくは1~30%、より好ましくは5~25%、さらに好ましくは8~23%である。また、カカオ組成物の配合量は穀粉に対する量として表すことができる。原材料中の穀粉の100重量部に対するカカオ組成物の配合量は、好ましくは2~62重量部、より好ましくは10~60重量部、さらに好ましくは20~58重量部である。カカオ組成物の配合量がこの範囲より低い場合、食品を通常程度の量で摂取した場合に生理機能を得るのに十分な量のポリフェノールが摂取できるとは言い難い。また、この範囲より高い場合、相対的に穀粉の配合率が下がるため、良好な膨化食品を得ることが難しい。
本発明により提供される、カカオ組成物を含む穀粉膨化食品は、カカオポリフェノールが豊富に含まれているにも関わらず、膨化が良好である。また、カカオポリフェノールを未破砕のカカオ豆細胞を含むカカオ組成物として含有するため、カカオの風味を有しつつ、ポリフェノールの苦味が感じられにくいという利点がある。
配合原料中のポリフェノール含有量及びプロシアニジン含有量は、前述の、又は実施例の項中に記載の方法により測定できる。また膨化食品の生地中のポリフェノール含有量及びプロシアニジン含有量は、配合した原材料中の含有量それぞれを合計することにより算出できる。なおポリフェノール含有量の測定方法(フォーリンチオカルト法)はOH基を定量する方法であるため、食品によってはポリフェノール以外の成分が測定される懸念がある。そのような懸念がある場合は、対照として目的の素材を含有しない食品を製造し、ベースとして差し引くことにより、目的の素材の配合によるポリフェノール含有量を適切に測定することができる。
本発明の膨化食品の形態は、適宜とすることができる。例として、パン類、ドーナツ、スポンジケーキ、パウンドケーキ、カップケーキ、マフィン、バウムクーヘン、マドレーヌ、ワッフル、スコーン、マカロン、スフレ、シュー、エクレア、蒸しパン等が挙げられる。
本発明の膨化食品は、原材料を混合して生地を調製し、得られた生地を加熱することにより製造される。必要に応じて、加熱工程の前に発酵工程を加えてもよい。原材料の混合手段は特に限定されず、公知の混合装置を用いることができる。生地の加熱手段としては、オーブン等を用いた焼成、蒸し器等を用いた蒸気加熱、油ちょう、ゆで、マイクロ波加熱、等が挙げられる。
カカオポッドから取り出したパルプ付きカカオ豆のパルプを除去し、乾燥させたカカオ豆を原料として、下記の方法で、未破砕カカオ豆細胞を含有する組成物(粉末状)を調製した。
(1) 鍋に、カカオ豆重量の5倍重量の水を入れ、沸騰させる。
(2) 前記(1)に原料のカカオ豆を入れて、1時間煮る。
(3) ザルにカカオ豆をあけて、水を切る。
手作業にて、カカオ豆からシェルを剥離する。
篩(32Me)にて、裏ごしする。
(1) 破砕工程により得られた破砕物を、減圧乾燥機にて乾燥させ(乾燥条件98℃、2時間)、水分3%以下の粉末カカオ豆破砕物を調製する。
(2) 前記粉末カカオ豆破砕物は、再度32Me篩を通過させて粉末化する。
配合原料中のポリフェノール含有量を、下記の「ポリフェノール含有量の測定方法」にしたがって測定した。配合原料中のプロシアニジン含有量を、下記の「プロシアニジン含有量の測定方法」にしたがって測定した。
(1) 遠沈管にサンプル各1gと温水(37~40℃)1mlを入れ、2分間ボルテックスで混合した。
37℃に温めておいた人工胃液(崩壊試験第1液、pH1.2(富士フイルム和光純薬株式会社)100mlにペプシン(富士フイルム和光純薬株式会社)107mgを混合して調製)を15ml加え、37℃、100rpmで60分振とうした。
(2) 2N NaHCO3を2ml投入し、中和した。
(3) 37℃に温めておいた人工腸液(崩壊試験第2液、pH6.8(富士フイルム和光純薬株式会社)100mlにパンクレアチン(富士フイルム和光純薬株式会社)0.5gを混合して調製)を20ml加え、37℃、100rpmで120分振とうした。
(4) 95℃で10分間加温した後、氷で冷却し、酵素を失活させた。
(5) 2ml取り出し、2N クエン酸を0.2ml投入し、酸性化したものを分析サンプルとした。
ポリフェノール含有量は、フォーリンチオカルト法で測定し、(-)-エピカテキン換算量として算出した。具体的には、全国チョコレート業公正取引協議会「チョコレート類のカカオポリフェノールに係る表示基準」別紙「カカオポリフェノール測定法」に記載された方法により測定し、算出した。
HPLCにて測定した。詳細には、カラムは、Deverosil-ODS-HG5(4.6mm×250mm、φ5μ、野村化学株式会社製)を使用した。溶離液は、A液とB液で構成され、A液は0.1%トリフルオロ酢酸水溶液、B液は0.1%トリフルオロ酢酸/アセトニトリル溶液を使用した。カラムへ通す溶離液の流速は0.8ml/分、グラジェントの条件は、溶離液全体に占めるB液の割合を、開始時点で10%、開始5分後で10%、開始35分後で25%、開始40分後で100%、開始45分後で100%とした。サンプルインジェクション量は10μLであり、エピカテキンを標準品として、各成分をエピカテキン当量で定量した。
各成分:カテキン、エピカテキン、プロシアニジンB2、プロシアニジンB5、プロシアニジンC1、シンナムタンニンA2
1. ポリフェノール含有量(理論値)を揃えて原料を配合した膨化食品(パン)の比較
下表の配合で、パンを製造した。
A(実施例):粉末状の未破砕カカオ豆細胞を含有する組成物(ポリフェノール含有量55mg/g)
B(比較例):ココアパウダー(油分22%、アルカリゼーション有り、ポリフェノール含有量35mg/g)
C(比較例):ココアパウダー(油分12%、アルカリゼーション無し、ポリフェノール含有量52mg/g)
D(比較例):ココアパウダー(油分22%、アルカリゼーション無し、ポリフェノール含有量45mg/g)
Panasonic社製ホームベーカリーSD-MT2にて、メニュー番号10(フランスパン。ねり、ねかし、ねり、発酵、焼きの各工程からなる。所用時間は約5時間。)の条件で作製した。原材料の全量は500gとした。
結果を下表及び図1に示す。
(配合)
A(実施例):粉末状の未破砕カカオ豆細胞を含有する組成物(ポリフェノール含有量35mg/g)
B(比較例):ココアパウダー(油分22%、アルカリゼーション無し、ポリフェノール含有量40mg/g)
C(比較例):ココアパウダー(油分12%、アルカリゼーション無し、ポリフェノール含有量43mg/g)
D(比較例):カカオエキスパウダー (特許6268333号の方法により製造したもの。ポリフェノール含有量165mg/g)
(1) b以外の原料をボウルに入れ、攪拌した。
(2) bの原料を投入し、さらに攪拌した。
(3) 得られたドウ生地を、ホイロ(温度:38℃ 湿度:80%)で50分発酵した。
(4) ドウ生地を3等分にし、引き伸ばし、丸めて室温で15分休ませた。
(5) 成型したドウ生地を食パン型(180×70×55mm)に入れ、ホイロ(温度:38℃ 湿度:80%)で60分発酵した。
(6) 200℃に予熱したオーブンで21分加熱した。
クリープメーター( 型番:RE2-33005C、株式会社山電)を用いて測定した。
(膨化食品(パン)の構造観察)
X線CTスキャン:NAOMi-CT(株式会社アールエフ)を用いてパンの内部を観察した。
結果を下表及び図2に示す。
(配合)
A(実施例):粉末状の未破砕カカオ豆細胞を含有する組成物(ポリフェノール含有量35mg/g、プロシアニジン含有量3.6mg/g、フリーファット含有率23.4%(組成物の重量あたり))
B(比較例):ココアパウダー(油分12%、アルカリゼーション無し、ポリフェノール含有量52mg/g、プロシアニジン含有量4.8mg/g)
ナショナル(現Panasonic)社製ホームベーカリーSD-BT3にて作製した。表中のaの材料をパンケースに投入し、bをaの周囲に回し入れた後、本体にセットし、メニュー:焼き上げコース(工程:ねり、ねかし、発酵、焼きの各工程からなる。所用時間は約4時間。)を選択し、食パンを製造した。原材料の総量は480gとした。
X線CTスキャン:NAOMi-CT(株式会社アールエフ)を用いてパンの内部を観察した。
結果を下表及び図3にしめす。
(配合)
(1)ミキサーで3分間混合後、20分間オートリーズし(生地を休ませる)さらに8分間混合した。
(2)26℃/70%で90分間発酵し、パンチをした(ガス抜きをした)後にさらに90分間発酵した。
(3)約80gずつに生地を分割し、20分間ベンチタイムをとった。
(4)30℃/70%で70分間発酵した。
(5)なまこ型に成形し、天板に並べ、上部にカットを入れた。
(6)上火230℃/下火215℃で予熱したオーブンで12~15分焼成した。
下記の基準により、専門家2名により、風味(苦味、渋味)を評価した。
苦味:
++:カカオ原料未配合の膨化食品と同様の苦味である。
+:カカオ原料未配合の膨化食品と比較すると若干苦味が感じられるが、問題ない範囲である。
-:カカオ原料未配合の膨化食品と比較すると明らかに苦い。
渋味:
++:カカオ原料未配合の膨化食品と同様の渋味である。
+:カカオ原料未配合の膨化食品と比較すると若干渋味が感じられるが、問題ない範囲である。
-:カカオ原料未配合の膨化食品と比較すると明らかに渋い。
結果下表及び図4に示す。目視評価により、ポリフェノール含有素材を配合したパン(B)はポリフェノール含有素材未配合のパン(A)と同様に膨化状態が良好であることを確認した。ソフトフランスパンにおいても、ポリフェノール高含量であっても良好に膨化する効果が得られ、風味も良好であった。
下記を準備・製造した。
(カカオ豆原料A)
カカオポッドから取り出したパルプ付きカカオ豆を、原料Aとして、以下で用いた。
カカオポッドから取り出したパルプ付きカカオ豆のパルプを除去し、乾燥したものを、原料Bとして、以下で用いた。
従来の発酵、乾燥、ロースト、及び磨砕工程を経て、従来のカカオ豆加工品としてのカカオマスを調製した。また、このカカオマスを、従来の油圧プレス機で処理して、油分12%又は油分22%のココアパウダーを調製した。
原料A、又はBを用い、加熱処理工程、シェル剥離工程、及び破砕工程(裏ごし工程)を経て、カカオ豆加工品A1(原料A使用、32メッシュによる裏ごし品)、A2(原料A使用、32メッシュ及び60メッシュによる裏ごし品)、B1(原料B使用、32メッシュによる裏ごし品)、B2(原料B使用、32メッシュ及び60メッシュによる裏ごし品)を得た。
(1) 鍋に、原料カカオ豆の重量の5倍重量の水を入れ、沸騰させる。
(2) (1)に原料カカオ豆を入れ、原料Aは30分間、原料Bは1時間煮る。
(3) ザルにカカオ豆をあけて、水を切る。
なお、ボイル時の水の量は、5倍量でも20倍量でもポリフェノール残存率に違いはなく、ボイル時間は、ポリフェノール残存率に影響を与えることが分かった。
手作業にて、カカオ豆からシェルを剥離する。
(1) 篩(32メッシュ、目開き500μm)で裏ごしする。
(2) 必要に応じ、(1)を篩(60メッシュ、目開き250μm)でさらに裏ごしする。
ポリフェノール含有量は、上述のフォーリンチオカルト法で測定した。
プロシアニジンは、上述のようにHPLCで定量した。
フリーファットは、下記の方法で測定した。
(1) サンプル約5g(a)を50ml遠沈管に入れる
(2) n-ヘキサン25mlを加える
(3) 130回/分×3分間、振幅4cmで振とう
(4) 3000rpm,4℃,10分間遠心分離
(5) 100ml三角フラスコの重量(b)を測定
(6) 上記(4)の上澄をろ紙上に移してろ過し、100ml三角フラスコでろ液を回収
(7) 窒素ガスを吹き付けてn-ヘキサンを蒸発させる
(8) 真空定温乾燥機にて、98℃、減圧下で4時間保持し、n-ヘキサンを蒸発させる
(9) デシケーター内で空冷後、三角フラスコの重量(c)を測定
油分あたりのフリーファット含有率(%)=<x>/a中の油分×100
固形分あたりのフリーファット含有率(%)=<x>/(a-a中の水分)×100
原料Aの60メッシュ裏ごし処理品(カカオ豆加工品A2)、カカオマス、及び融解させた市販のミルクチョコレートをそれぞれマイクロチューブにおよそ2g測り取り、遠心分離(16,000rpm、10分間)した後、各材料からの油の分離を目視で観察した。
下記の手順で、マイクロスコープにより観察した。
(1) サンプルをスライドガラスに載せる
(2) n-ヘキサンを滴下する
(3) メチレンブルー溶液を滴下する
(4) ヨウ素液を滴下する
(5) マイクロスコープにて観察
(1) サンプルをスライドガラスに載せる
(2) Nile Mix染色液を滴下する
(3) カバーガラスを載せる
(4) 共焦点顕微鏡にて観察
下記の手順で、未破砕細胞の割合を測定・算出した。
(1) 測定試料0.03gをコニカルチューブに入れて、2mlの超純水を加えて撹拌し、さらに0.5mlの0.01%メチレンブルー溶液(メチレンブルー三水和物(分子式 : C16H18N3SCl・3H2O 分子量 : 373.90)を超純水にて溶解、希釈し、0.01%(w/v)のメチレンブルー溶液 とする)を加えて撹拌した後、スライドガラスに滴下し、カバーガラスを載せてマイクロスコープで観察する(倍率:450倍)。
(2) 前記画像を画像解析ソフト「ImageJ」(フリーソフト、以下URLからダウンロードが可能:https://imagej.net/Welcome、バージョン1.50)を用いて、以下の「エリア面積(A)」、「破砕細胞数(B)」を得る。
エリア面積(A):画像を二値化(make binary)した後に、「Analyze」機能を用いることにより「Area」として解析される。なお、二値化した際に、光の加減で空洞になってしまった部分については「fill holes」により埋めて解析した。
破砕細胞数(B):「Cell Counter」機能により、画像から目視で破砕されている細胞を選択して手動でカウントする。
(3) 一つの未破砕細胞面積(C)については、細胞を半径10μmの円とした概算値とすることにより算出する(10×10×3.14=314μm2)。
(4) エリア面積(A)を一つの未破砕細胞面積(C)で除して全細胞数(D)を得る。
カカオ豆細胞中の未破砕細胞の割合(%)は、以下の式により算出する。全細胞数(D)が100~300の範囲であるエリアを5以上について値を算出し、平均値を求める。
粒度分布計(レーザー回折式粒度分布測定装置SALD-2200(株式会社島津製作所))にて測定した。図面の縦軸は、各粒子径の体積分布が全体の体積に占める割合を示す相対粒子量を%で示し、横軸は粒子径をμmで示した。
水分は、日本国消費者庁Webページの「別添 栄養表示関係」(http://www.caa.go.jp/policies/policy/food_labeling/food_labeling_act/pdf/foods_index_18_180119_0003.pdf)における「別添 栄養成分等の分析方法等」 5.炭水化物 イ 水分 (3)減圧加熱乾燥法に従って測定した。
油分は、日本国消費者庁Webページの「別添 栄養表示関係」(http://www.caa.go.jp/policies/policy/food_labeling/food_labeling_act/pdf/foods_index_18_180119_0003.pdf)における「別添 栄養成分等の分析方法等」 2.脂質 (1)エーテル抽出法に従って測定した。
測定結果を下表に示した。
加熱したカカオ豆の破断強度を測定した。
サンプルA~Dの調製手順を下記に示した。
A:未発酵乾燥カカオ豆
未発酵豆(乾燥豆)を減圧乾燥機にて100℃、4時間乾燥
B:未発酵ローストカカオ豆
(1) 未発酵豆(乾燥豆)をロースターにて126℃、40分ロースト
(2) 減圧乾燥機にて100℃、4時間乾燥
C:未発酵ボイル(1時間)乾燥カカオ豆
(1) 未発酵豆(乾燥豆)を沸騰水にて1時間ボイル
(2) 減圧乾燥機にて100℃、4時間乾燥
D:未発酵ボイル(2時間)乾燥カカオ豆
(1) 未発酵豆(乾燥豆)を沸騰水にて2時間ボイル
(2) 減圧乾燥機にて100℃、4時間乾燥
・使用機器:FUDOH社レオメーターRTC-3010D-CW
・S.ADJ(進入深度):4.0mm
・T.SPEED(進入速度):2cm/min
・プランジャー:直径3mm円柱状
・測定方法:各サンプル(ホールカカオ豆)を架台の中心部に設置し、サンプル温度は22~24℃にて測定した。
結果を下表及び図9に示した。
Claims (7)
- 以下の(a)~(d)のいずれかのカカオ組成物を含有する、穀粉膨化食品:
(a)粒度分布が10μm~1.5mmの範囲内にあり、未破砕カカオ豆細胞を含有するカカオ組成物、
(b)油分あたりのフリーファット含有率が60重量%以下であるカカオ組成物、
(c)カカオ豆細胞中の未破砕カカオ豆細胞が30%以上であるカカオ組成物、
(d)破断強度が3kgf以下である、未破砕カカオ豆細胞を含有するカカオ組成物。 - ポリフェノール含有量が0.01重量%以上である、請求項1に記載の食品。
- ポリフェノール含有量が0.2重量%以上である、請求項1又は2に記載の食品。
- プロシアニジン含有量が0.02重量%以上である、請求項1~3のいずれか1項に記載の食品。
- 原料中のカカオ組成物の配合量が1~30重量%である、請求項1~4のいずれか1項に記載の食品。
- イースト、及び膨張剤の少なくとも一つを含む、請求項1~5のいずれか1項に記載の食品。
- パン類である、請求項1~6のいずれか1項に記載の食品。
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| US18/285,545 US20240180171A1 (en) | 2021-04-07 | 2022-04-07 | Puffed grain flour food containing cacao composition |
| CN202280031869.5A CN117279512A (zh) | 2021-04-07 | 2022-04-07 | 含有可可组合物的谷粉膨化食品 |
| JP2023513047A JP7723076B2 (ja) | 2021-04-07 | 2022-04-07 | カカオ組成物を含有する穀粉膨化食品 |
| EP22784713.4A EP4321027A4 (en) | 2021-04-07 | 2022-04-07 | PUFFED CEREAL FLOUR FOOD WITH COCOA COMPOSITION |
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| EP (1) | EP4321027A4 (ja) |
| JP (1) | JP7723076B2 (ja) |
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| Publication number | Publication date |
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| JPWO2022215731A1 (ja) | 2022-10-13 |
| CN117279512A (zh) | 2023-12-22 |
| EP4321027A4 (en) | 2025-04-16 |
| EP4321027A1 (en) | 2024-02-14 |
| JP7723076B2 (ja) | 2025-08-13 |
| US20240180171A1 (en) | 2024-06-06 |
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