WO2004013170A1 - 大豆蛋白の製造方法 - Google Patents
大豆蛋白の製造方法 Download PDFInfo
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- WO2004013170A1 WO2004013170A1 PCT/JP2003/009954 JP0309954W WO2004013170A1 WO 2004013170 A1 WO2004013170 A1 WO 2004013170A1 JP 0309954 W JP0309954 W JP 0309954W WO 2004013170 A1 WO2004013170 A1 WO 2004013170A1
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- protein
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- soybean protein
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J1/00—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
- A23J1/14—Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from leguminous or other vegetable seeds; from press-cake or oil-bearing seeds
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J3/00—Working-up of proteins for foodstuffs
- A23J3/14—Vegetable proteins
- A23J3/16—Vegetable proteins from soybean
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Definitions
- the present invention relates to a soybean protein having an excellent thermal gelling property and a good flavor, and a method for producing the same.
- the present invention relates to a method for producing an isolated soybean protein which is prepared without isoelectric precipitation treatment (acid precipitation treatment) of the soybean protein. About tomorrow. Rice field
- soybean proteins defatted soybeans obtained by removing fats and oils from soybeans, concentrated soybean proteins obtained by removing whey components from defatted soybeans, and isolated soybean proteins obtained by removing whey components and okara components from defatted soybeans are commercially available.
- the isolated soybean protein is usually extracted from the defatted soybean with water in a neutral to weakly acidic region, and the extract (skim soymilk) obtained by separating the water-insoluble okara component is used as the main protein of soybean.
- the acidity around the isoelectric point of a certain globulin to form a precipitate, separating it from the whey component soluble in the acidic region, dissolving and neutralizing the precipitate, sterilizing and drying Being manufactured.
- the protein extracted as an aqueous solution is once insolubilized (precipitated), redissolved to form an aqueous solution, sterilized, and dried to obtain a separated soybean protein product.
- Japanese Patent Publication No. 36-142720 discloses that raw soybeans or defatted soybeans are immersed in a buffer solution having a pH of 3.0 to 5.0. After softening soybean tissue and eluting and removing sugars and pigments in soybeans, dissolve it with alkalis, add acid to adjust pH to 4.5-5.0, After dissolving the resulting precipitate with alkalis, the pH was adjusted to 5.0 to 7 It describes a method for producing soybean powder in which a colloid stabilizer is added to the mixture, the mixture is stirred, and the mixture is dried at a low temperature. In addition, Japanese Patent Publication No.
- Sho 444-1621 discloses that soy flour is added to acidic water to form a slurry, whey components are separated and removed, then suspended in water, and PH 6 to 8 A method is described in which the soybean protein is solubilized to separate the components, and then the protein extract is acidified to precipitate and separate and concentrate the protein.
- all of the conventional methods for producing isolated soybean protein include a so-called acid precipitation step of precipitating soybean protein under acidic conditions.
- this acid precipitation process is a simple process for separating whey components and concentrating proteins, it is a process of once dissolving and extracting proteins in water, insolubilizing them, and then re-dissolving them into powder.
- the resulting soybean protein exhibited an astringent taste peculiar to the acid precipitation treatment by passing through the acid precipitation step.
- the protein concentration in the extract is only about 5% at most, and drying it without separating and concentrating it in the acid precipitation step is a point of energy consumption. It was inevitable.
- Japanese Unexamined Patent Publication (Kokai) No. 7-238809 discloses that defatted soybeans are extracted with an aqueous extractant having a pH higher than the isoelectric point, for example, a pH of 9.4, and the protein extract is subjected to the same method.
- a method is disclosed in which soybean protein is precipitated by acid precipitation treatment adjusted to a pH around the electric point, and a soybean protein isolate having a high isoflavone content is obtained without washing the precipitate.
- the soy protein thus obtained had many bitterness peculiar to soybean because the precipitate was not washed, so that it was not flavor-preferable.
- H10-66507 discloses a method for efficiently extracting soluble coffee by using a combination of thermal hydrolysis and countercurrent extraction on the shell of coffee. I have. However, these methods use countercurrent extraction of fructo-oligo sugar or soluble coffee, and are suitable for the production of isolated soy protein in which it is common to separate and concentrate soy protein by the acid precipitation process. No stream extraction was used, and therefore, no flavor or thermal gelation properties of soy protein extracted without acid precipitation were known. Disclosure of the invention
- An object of the present invention is to provide a method for efficiently obtaining a soybean separated protein having excellent thermal gelation properties, and having no bitterness and astringent taste peculiar to the conventional soybean protein, and having a good taste.
- the amount of water used in the soybean protein production plant is reduced and acidification of the environment by reducing the amount of wastewater is performed without performing acid precipitation, which was considered as an efficient separation and concentration method.
- the amount of water used in the soybean protein production plant is reduced and acidification of the environment by reducing the amount of wastewater is performed without performing acid precipitation, which was considered as an efficient separation and concentration method.
- to provide a method of obtaining a more flavorful isolated soy protein without the bitterness and astringent taste unique to soy protein
- the present inventors have conducted intensive studies to solve the above-mentioned problems.
- the defatted soybeans were washed with acidic water to remove one component of whey, and then neutralized to neutral strength.
- the protein is solubilized in the zone, and the protein is separated from the okara components.
- the protein is separated from water by maintaining the neutral to alkaline region.
- the composition had excellent thermal gelation properties and had extremely good flavor, and the present invention was completed.
- the countercurrent extraction of whey components and proteins with an aqueous medium will reduce the amount of water used at the soybean protein manufacturing plant and lead to an excellent method of reducing the environmental burden due to reduced wastewater. I knew there was.
- the present invention provides an acid-washing step in which a defatted soybean is subjected to a washing treatment with an aqueous medium in a pH range of 3.0 to 5.0 to extract and remove whey components, and an acid-washed soybean slurry obtained in the pickling-washing step.
- An extraction step in which a protein is extracted with an aqueous medium in a neutral to alkaline region to remove extraction residues; and the extract obtained in the extraction step is treated with water while maintaining the neutral to alkaline region.
- a method for producing isolated soybean protein comprising a separation step of separating into protein (1).
- the present invention is characterized in that there is no acid precipitation step, and in the method for producing isolated soybean protein described in (1) (2) or in the extraction step, extraction is performed by a countercurrent extraction method ( The method for producing isolated soy protein according to (3), wherein the method (3) for producing isolated soy protein according to (1) or (2) or the countercurrent extraction method is a three-stage countercurrent extraction method. (4) The method for producing isolated soybean protein according to (3) or (4), wherein the countercurrent extraction method is a pH gradient countercurrent extraction method. The method for producing a soybean isolated soybean protein according to any one of (1) to (5), wherein protein extraction is performed using an aqueous medium that is not more than 7 times the amount of soybean material in terms of conversion.
- (1) to (6) characterized by extracting at an extraction temperature of 10 ° (up to 70 ° C)
- a washing treatment is carried out such that the crude protein content in the acid-washed soybean slurry solid is at least 65%, preferably at least 70%.
- the present invention relates to the method (13) for producing isolated soybean protein according to any one of (1) to (12), wherein the protein solution extracted by the method is sterilized and then separated into water and protein.
- the present invention provides an isolated soybean protein (14) obtained by the production method according to any one of (1) to (13), and 2% salt equivalent to 5-fold amount of the isolated soybean protein.
- the gel prepared by adding water has a jelly strength (g'cm) of 150 or more, wherein the isolated soybean protein (15) according to (14) or (1) to (13) )
- a food or food material (16) comprising isolated soy protein obtained by the production method according to any one of (1) to (16).
- FIG. 1 Concept of a three-stage countercurrent extraction system that moves only an aqueous medium (extracted liquid) and sequentially contacts soybean raw material (extraction residue) without moving the extraction residue mainly composed of soybean material or okara
- FIG. 2 is a diagram showing a schematic diagram of production of separated soybean protein by three-stage countercurrent extraction with a pH gradient using acid-washed soybean slurry as a soybean raw material.
- the method for producing the isolated soybean protein of the present invention includes an acid washing step in which defatted soybean is subjected to a washing treatment with an aqueous medium in a pH range of 3.0 to 5.0 to extract and remove whey components.
- An extraction step in which the resulting acid-washed soybean slurry is subjected to a protein extraction treatment with an aqueous medium in a neutral to alkaline region to remove extraction residues, and an extract obtained in the extraction step is neutral to alkaline.
- a method for producing isolated soybean protein which is characterized by comprising a separation step of separating water and protein while maintaining the same region, but is not particularly limited, but is a method of producing isolated soybean protein without an acid precipitation step.
- the acid precipitation step means the isoelectric point precipitation treatment of soybean protein having an isoelectric point in an acidic region ( Acid precipitation)
- Slurry means a hydrate treated with an aqueous medium, which is fluid, semi-fluid, semi-solid, and the slurry is dried once and the aqueous medium is added again.
- the countercurrent extraction method refers to a multistage extraction method in which a soybean material and an aqueous medium are brought into contact with each other by moving them relatively in opposite directions.
- a multi-stage extraction method in which only the aqueous medium is moved to sequentially contact the soy material is also included.
- a preferred embodiment of such a countercurrent extraction method is a countercurrent extraction method in which extraction is performed while the concentration difference between the extract and the extract is always kept constant, for example, a new soybean material having the highest protein concentration. Countercurrent extraction by contacting the extract with the highest solids concentration already used for the extraction process, and bringing the newly introduced aqueous medium into contact with the extraction residue that has already been subjected to the extraction process and has the lowest protein concentration Law.
- defatted soybean it is preferable to use a generally available low-denatured defatted soybean defatted with a solvent such as hexane, and particularly, an NSI (nitrogen solubility index) of 60 or more, particularly an NSI of 80 or more. It is preferable to use defatted soybeans.
- a solvent such as hexane, and particularly, an NSI (nitrogen solubility index) of 60 or more, particularly an NSI of 80 or more. It is preferable to use defatted soybeans.
- whey components mainly containing soybean albumin are eluted, but protein components mainly containing soybean glopurin are not eluted.
- An acid washing treatment for washing defatted soybeans can be mentioned.
- a pickling solution a low-denatured defatted soybean is washed with an aqueous medium having a pH of 3.0 to 5.0, preferably a pH of 3.5 to 4.5.
- a treatment for removing whey components by washing treatment is preferable.
- the acid-washed soybean slurry obtained by such an acid washing treatment can be particularly preferably used as a soybean material.
- the acids used for the pH adjustment are not particularly limited, and examples thereof include inorganic acids such as phosphoric acid, hydrochloric acid, and sulfuric acid, and organic acids such as citric acid, malic acid, and lactic acid. They can be used alone or in combination of two or more. Further, when an emulsifier is added to the pickling solution, the fluidity of the slurry is improved, and the separation of a soluble component (whey) and an insoluble component (pickled soybean slurry) becomes easy.
- the type of the emulsifier is not particularly limited, dalicerin fatty acid esters of HLB 2 to 7 can be preferably exemplified, and the concentration thereof is 0.001 to 0.1% by weight based on the low-denatured defatted soybean. Is preferred.
- the method of acid cleaning is not particularly limited, and may be a method of solid-liquid separation after immersion and stirring in an acid cleaning liquid, a method of flowing down an acid cleaning liquid, or a method in which defatted soybean and an acid cleaning liquid are relatively opposed to each other.
- Multi-stage washing method counter-current washing method for contacting and solid-liquid separation by moving to By this washing, the higher the amount of crude protein per solid, the higher the separation Since the crude protein content as soybean protein can be increased, the amount of the crude protein per solid content by washing is preferably at least 65%, particularly preferably at least 70%.
- a countercurrent washing method is preferable, and it is possible to wash with a smaller amount of washing solution, and the protein concentration efficiency is also increased.
- the number of times of washing by the countercurrent washing method is more preferably two or three times.
- the solid-liquid separation device for separating the soluble component and the insoluble component is not particularly limited, and a known separation device, for example, a centrifuge, a filter press, a screw press, or the like can be used.
- the washing temperature is a temperature range where the protein is not denatured, 10 to 60 ° C., preferably 20 to 50 ° C., more preferably 40 to 50 ° C., and the washing time is 5 to 60 minutes. Preferable examples are 10 to 30 minutes, and washing under these conditions can be performed once or several times.
- the method for producing an isolated soybean protein of the present invention comprises using an acid-washed soybean slurry obtained by washing a defatted soybean with an aqueous medium having a pH of 3.0 to 5.0 to remove whey components; and
- a countercurrent extraction method in the protein extraction step of extracting the protein in the acid-washed soybean slurry into an aqueous medium in the neutral to alkaline range, or the absence of an acid precipitation step, and the protein in the soybean raw material
- a major feature of the present invention is that a countercurrent extraction method is employed in the protein extraction step of extracting glycerol into an aqueous medium in the neutral to alkaline region.
- the protein extraction step in order to extract a protein in a soybean material such as an acid-washed soybean slurry obtained by the above-mentioned acid washing into an aqueous medium in a neutral to alkaline region, an aqueous solution of the soybean material is used. After adding the medium, the pH is adjusted to the neutral to alkaline range to solubilize the protein and separated from the insoluble component okara, or the pH is neutral to alkaline.
- the protein can be extracted by solubilizing the protein by contacting it with an aqueous medium in which the pH of the soybean raw material after contact and mixing is in the neutral to alkaline range, and separating it from the okara component, which is an insoluble component.
- the present invention is characterized in that such extraction is performed by a countercurrent extraction method. If the protein extraction step is performed only a plurality of times with an aqueous medium in a neutral to alkaline region, the protein concentration in the extract cannot be increased, and the subsequent sterilization and drying steps become inefficient, which is not preferable.
- the protein concentration in the extract can be increased, and the extract is sterilized and dried without performing the concentration step by acid precipitation.
- isolated soybean protein having excellent properties such as thermal gelation properties can be obtained extremely efficiently.
- the pH at the time of extracting the protein in the soybean material into the aqueous medium in the neutral to alkaline region is preferably 6.5 to 8.5, and the pH is preferably 7.0 to 8.0. More preferred.
- hydroxides, carbonates and bicarbonates of alkali metals and alkaline earth metals such as sodium hydroxide and potassium hydroxide can be used to adjust the pH.
- the extraction temperature is preferably from 10 to 70 ° C, more preferably from 40 to 65 ° C, and still more preferably from 45 to 65 ° C. If the extraction temperature is too high, the soybean protein is denatured by heat. If the extraction temperature is too low, the viscosity increases and the separability between the extract and the extraction residue decreases.
- the aqueous medium used for extracting the soybean protein is not particularly limited as long as it is a water-based solvent capable of efficiently extracting the protein in the soybean raw material. Specifically, water and alcohol are added to water. Liquid (hydrous alcohol), liquid with salt added to water PT / JP2003 / 009954, etc., among which water is preferred.
- the amount of the aqueous medium used is preferably countercurrent extraction using an aqueous medium that is not more than 7 times the amount of the soy material in terms of raw material defatted soybean (per weight of solid content).
- countercurrent extraction is preferably performed using 2 to 6 times, particularly 3 to 4 times by weight of the solid content of water.
- the amount of the aqueous medium used in the countercurrent extraction is not the volume of the first extraction but the total volume of the stationary extraction.
- the number of extractions in the countercurrent extraction method is not particularly limited as long as it is two or more, but is preferably about two to three times, and particularly preferably three when the soybean material is an acid-washed soybean slurry.
- the protein remaining in the okara can be reduced, and the recovery rate of the protein can be improved.
- a PH gradient countercurrent extraction method for countercurrent extraction, a PH gradient countercurrent extraction method, a continuous countercurrent extraction method, or a PH gradient continuous countercurrent extraction method can also be employed.
- the pH gradient countercurrent extraction method refers to a multistage extraction method in which the pH of the aqueous medium is gradually increased or lowered sequentially with each movement to contact the soybean material in the countercurrent extraction method, For example, in the three-stage countercurrent extraction method, the pH is increased (decreased) in the second extraction stage compared to the first extraction stage, and the pH is increased (decreased) in the third extraction stage compared to the second extraction stage.
- a step extraction method can be exemplified.
- the continuous countercurrent extraction method refers to an extraction method in which a multistage extraction step is continuously performed in the countercurrent extraction method.
- Figure 1 shows a three-stage countercurrent extraction system that moves only the aqueous medium (extract) without moving the extraction residue mainly composed of soybean raw materials and okara, and then sequentially contacts the soybean material (extraction residue). It is a conceptual diagram.
- each extractor in the three-stage countercurrent extraction system, four extractors A to D are connected to each other so as to be able to flow.
- each extractor includes a solid-liquid separation mechanism, a stirring mechanism, a pH adjustment mechanism, and the like.
- the density of the packing in each extractor indicates the amount of protein that can be extracted for convenience, and the thinness of each line indicates the amount of solids contained in the extract for convenience.
- a new aqueous medium is introduced into the second extraction residue in the extractor A, and the first extraction residue from the extractor A into the first extraction residue in the extractor B.
- the extract is transferred, the second extract from extractor B is transferred to the new soybean material in extractor C, and protein extraction is performed with stirring, respectively.
- extractor A In ( ⁇ ) solid-liquid separation is performed, and the first extract is sent from extractor A to extractor B, the second extract is sent from extractor B to extractor C, and protein extractor is extracted from extractor C
- the liquid (third extract) is collected, while extractor D discharges the third extraction residue after the extraction and replenishes new soybean material in the next cycle.
- the line is switched, a new aqueous medium is introduced into the second extraction residue in the extractor B, and the first extract from the extractor B is transferred to the first extraction residue in the extractor C.
- the second extract from extractor C is transferred to the new soybean material in D, and protein extraction is performed with stirring, respectively.
- solids and liquids are separated in extractors B to D, respectively.
- the first extract is sent from extractor B to extractor C, the second extract is sent from extractor C to extractor D, and the protein extract (third extract) is sent from extractor D. ) Is collected.
- Extractor A the third extraction residue after the completion of extraction is discharged and new soybean material is replenished.
- a soybean protein extract having a solid content of 8 to 18% by weight can be usually obtained by extracting the protein by the countercurrent extraction method in the protein extraction step. It is preferable to obtain a soybean protein extract having a solid content of 10 to 14% by weight by appropriately selecting extraction conditions such as extraction time, extraction time, amount of the extract, and number of extractions.
- the viscosity of the protein solution may increase significantly and the workability during subsequent sterilization and drying may be impaired, but the isolated soybean obtained as the final product
- the protein may be a proteolysate, soy protein is decomposed using a decomposing enzyme such as a prosthesis and the increase in the viscosity of the extract can be suppressed, so that the protein concentration can be increased.
- the solid content is 8% by weight or more, the energy required for drying and extracting the protein extract into a powdery form is preferably small.
- the countercurrent extraction device that can be used in the above countercurrent extraction method is not particularly limited, including a commercially available countercurrent extraction device, and is a quasi-moving countercurrent extraction device (Japanese Patent Laid-Open Publication No. 5-2007-900). And a continuous countercurrent extractor consisting of a screw conveyor-type extractor in which a raw material and a liquid are continuously crossed by a special screw.
- a known separation apparatus such as a centrifuge, a filter press, a screw press, or the like can be used.
- the soybean protein extract obtained by the above-mentioned countercurrent extraction method may be sterilized, separated into water and protein, and then dried.
- the soybean protein extract obtained by the countercurrent extraction method can be directly subjected to the sterilization / drying step, and the sterilization / dry isolation of soybean protein is extremely efficient.
- the sterilization apparatus used in the sterilization-drying step is not particularly limited as long as it is an ordinary sterilization apparatus.
- a continuous direct heating sterilization apparatus of a steam injection system can be suitably exemplified.
- sterilization conditions include heat sterilization at a temperature of 100 to 160 ° C., preferably 105 to 144 for i seconds to 3 minutes.
- the drying method is not particularly limited as long as it is a conventionally known drying method, and preferred examples thereof include freeze-drying, spray-drying, and drying under reduced pressure, which are accompanied by little protein denaturation.
- various components such as an emulsifying component, a stabilizing component, a nutritional component, and a sweet component can be added prior to sterilization and drying.
- the isolated soybean protein of the present invention includes, among the above-mentioned methods for producing the isolated soybean protein of the present invention, any isolated soybean protein obtained by sterilizing and drying a soybean protein extract obtained by a countercurrent extraction method.
- any isolated soybean protein obtained by sterilizing and drying a soybean protein extract obtained by a countercurrent extraction method There is no particular limitation, and powdery or granular isolated soybean protein can be specifically exemplified.
- powdery isolated soybean protein spray-dried after heat sterilization, or frozen after heat sterilization A powdery isolated soybean protein obtained by grinding a dried product can be suitably exemplified. Since the isolated soybean protein of the present invention can be obtained without performing acid precipitation, the protein has little denaturation, is excellent in thermal gelation properties, and has an extremely flavorless bitterness and astringent taste unique to soybean protein. It has the characteristic of being good.
- a preferable isolated soybean protein of the present invention is a powdery isolated soybean protein having a jelly strength (cm) of 150 or more.
- the jelly strength (g'cm) is 5 times that of the test powdery soybean protein.
- Cut out to 2 cm and refers to the measured value using a ⁇ 5 mm sphere as a plunger with Leona (manufactured by Yamaden Corporation).
- the present invention is also directed to a food or a food material containing an isolated soy protein such as a powdery isolated soy protein obtained by the method for producing an isolated soy protein of the present invention.
- an isolated soy protein such as a powdery isolated soy protein obtained by the method for producing an isolated soy protein of the present invention.
- the powdery isolated soy protein of the present invention does not have the bitterness and astringent taste unique to soy protein, so that various foods and food materials retain the original flavor of the food, improve the gelation strength, and improve the quality of the plant.
- Nutritional value can be improved by adding a sex protein.
- fatty acid monoglyceride (Sunsoft 0—
- Example 11 To 4 kg of the pickling slurry prepared in Example 11, 12 kg of hot water at 45 ° C was added. After washing for 10 minutes with gentle stirring, one component of the eluted whey was separated by a centrifugal separator to obtain 12 kg of whey. As an emulsifier, 0.6 g of fatty acid monoglyceride (“Sunsoft # 30” manufactured by Taiyo Kagaku Co., Ltd.) was dispersed in this whey, and 2 kg of a low-denatured defatted soybean flake of NSI 90 was gradually added.
- Unsoft # 30 manufactured by Taiyo Kagaku Co., Ltd.
- Figure 2 shows an outline of the production of isolated soybean protein by a three-stage pH gradient countercurrent extraction using an acid-washed soybean slurry as a soybean material. All countercurrent extractions were performed at 20 ° C, solid-liquid separation was performed by centrifugation at 150 G for 10 minutes, and pH of the extract was adjusted using 20% sodium hydroxide solution. I went.
- Example 1 Each of the acid-washed soybean slurries obtained in Examples 1-1 and 1-2 was subjected to three-stage countercurrent extraction with a pH gradient to produce separated soybean proteins.
- Example 1 (1) Add 2 kg of water to 1 kg of the acid-washed soybean slurry obtained in 1 above, adjust the pH to 7.0, stir for 30 minutes, and centrifuge to extract extraction residue R-1 and extract E- 2.0 kg of 1 (solid content 8.0%) was obtained. Add 2 kg of water to this extraction residue R-1, adjust to pH 7.5, stir for 15 minutes, centrifuge to extract extraction residue R-2 and extract E-2 (2.5% solids) ) 2.0 kg.
- Extract E-4 was added to 1 kg of the acid-washed soybean slurry, adjusted to pH 7.0, stirred for 30 minutes, centrifuged, and centrifuged to remove extraction residue R-6.
- 2.2 kg of extract E-6 solid content: 12.0%
- 1.6 kg of extract E-5 is added to this extract residue R-6, adjusted to pH 7.5, stirred for 30 minutes, centrifuged, and the extract residue R-7 and extract E-7 are added. (Solid content 6.0%) 1.7 kg was obtained.
- 1.5 kg of water was added to the extraction residue R-7, adjusted to pH 8.0, stirred for 15 minutes, and centrifuged to extract the extraction residue R-8 and the extract E-8 (solids 2 0%) 1.6 kg.
- extracts E-3, E-6, and E-9 having a solid content of 10% or more are mixed, and sterilized by heating at 140 for 10 seconds. After that, it was spray-dried to obtain 825 g of powdery separated soybean protein having a water content of 5%.
- three-stage countercurrent extraction was performed from the acid-washed soybean slurry ⁇ obtained in Example 1-2 and spray-dried to obtain 7778 g of powdery separated soybean protein having a water content of 5%.
- the crude protein content per solid content of the powdery separated soybean protein obtained was 86.7% when the acid-washed soybean slurry 1 obtained in Example 11-1 was used as a soybean material, It was 91.2% when the acid-washed soybean slurry obtained in 1-2 was used, and in Example 1-2, the protein content was higher than that of the soybean protein separated by acid precipitation. . Further, when the protein was extracted at 50 ° C instead of 20 ° C in the protein extraction step, the same results as those obtained at 20 ° C were obtained.
- This protein card was hydrated and stirred to prepare a force slurry, which was neutralized to pH 7.0 with a sodium hydroxide solution. This neutralized solution was immediately sterilized by heating (140 ° C., 10 seconds) and spray-dried to obtain 800 g of powdery separated soybean protein having a water content of 5%. The protein content per solid content of the powdery separated soybean protein obtained by the acid precipitation treatment was 90.5%. Powdered soybean protein 1 and powdered soybean protein ⁇ of Example 2 prepared using the acid-washed slurry of Examples 11 and 1-2 as soybean raw materials, and powdery separation prepared in Comparative Example 1 Table 1 shows the results of the gel strength and flavor evaluation of the gel using soy protein.
- the gel was prepared by adding 16.6% paste prepared by adding 5% equivalent of 2% saline to powdered soybean protein and filling in a 35 mm dia.case at 80 ° C for 30 minutes. Prepared by heating.
- the jelly strength (g ⁇ cm) was measured by cutting a prepared gel to a thickness of 2 cm and measuring it with a jelly strength measuring instrument (“Leoner” manufactured by Yamaden Co., Ltd.) using a ⁇ 5 mm ball as a plunger. It was determined as the product of the value of the breaking load (g) and the value of the breaking deformation (cm).
- the flavor was evaluated by adding 5% solution to powdered soybean protein and preparing a 5% solution.
- a 5-point evaluation method was conducted by 10 expert panelists (5 points: good, 4 points: slightly good, 3 points: normal, 2 points) Points: somewhat bad, 1 point: bad), and the average score was taken.
- Table 1 it was found that the isolated soybean protein obtained by the present invention had better heat gelation properties and a better flavor than the isolated soybean protein obtained by the acid precipitation treatment.
- Powdered soybean protein of Example 2 prepared using the acid-washed slurry of Example 12 as a soybean material (protein content per solid content: 91.2%) Table 2 shows the results of the gel strength and flavor evaluation of the gel using the powdery separated soybean protein prepared in Comparative Example 1.
- the gel was prepared by adding 18% paste prepared by adding 4.5% equivalent of 2% saline to powdered soybean protein in a ⁇ 35 mm casing, and then at 80 ° C for 30 minutes. Prepared by heating.
- the gel strength was cut out of the prepared gel into a thickness of 2 cm, and measured with a jelly strength measuring instrument (“Leoner” manufactured by Yamaden Corporation) using a ⁇ 5 mm sphere as a plunger.
- the flavor was evaluated by preparing a 5% solution by adding powdered soybean protein to a soybean protein, and evaluating it with 5 expert panelists (5 points: good, 4 points: slightly good, 3 points: normal, (2 points: somewhat bad, 1 point: bad), the sensory evaluation was made, and the average was taken. As is clear from Table 2, it was found that the soybean protein obtained in the present invention had excellent heat gelation properties and good flavor.
- isolated soybean protein can be produced without performing acid precipitation treatment, and soybean protein having excellent thermal gelation properties and good flavor can be efficiently provided. Also, it is possible to provide a production method in which the amount of water used in the production of soybean protein is reduced, and the burden on the environment due to the reduction of wastewater is suppressed.
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Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003252405A AU2003252405A1 (en) | 2002-08-05 | 2003-08-05 | Process for producing soy protein |
| JP2004525844A JP4304721B2 (ja) | 2002-08-05 | 2003-08-05 | 大豆蛋白の製造方法 |
| BRPI0313269A BRPI0313269A2 (pt) | 2002-08-05 | 2003-08-05 | processo para produzir proteína de soja |
| DE60332024T DE60332024D1 (de) | 2002-08-05 | 2003-08-05 | Verfahren zur herstellung von soja protein |
| US10/523,622 US20050249865A1 (en) | 2002-08-05 | 2003-08-05 | Process for producing soy protein |
| EP03766758A EP1528068B1 (en) | 2002-08-05 | 2003-08-05 | Process for producing soy protein |
| US12/541,087 US20090306353A1 (en) | 2002-08-05 | 2009-08-13 | Process for producing soy protein |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002-226975 | 2002-08-05 | ||
| JP2002226975 | 2002-08-05 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/541,087 Continuation US20090306353A1 (en) | 2002-08-05 | 2009-08-13 | Process for producing soy protein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004013170A1 true WO2004013170A1 (ja) | 2004-02-12 |
Family
ID=31492199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/009954 Ceased WO2004013170A1 (ja) | 2002-08-05 | 2003-08-05 | 大豆蛋白の製造方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US20050249865A1 (ja) |
| EP (1) | EP1528068B1 (ja) |
| JP (1) | JP4304721B2 (ja) |
| CN (1) | CN1329411C (ja) |
| AU (1) | AU2003252405A1 (ja) |
| BR (1) | BRPI0313269A2 (ja) |
| DE (1) | DE60332024D1 (ja) |
| WO (1) | WO2004013170A1 (ja) |
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| WO2005120244A1 (ja) * | 2004-06-07 | 2005-12-22 | Fuji Oil Company, Limited | 大豆蛋白加水分解物の製造法 |
| WO2007066694A1 (ja) * | 2005-12-06 | 2007-06-14 | Fuji Oil Company, Limited | 大豆ペプチド混合物の製造法 |
| JP2013537419A (ja) * | 2010-08-18 | 2013-10-03 | バーコン ニュートラサイエンス (エムビー) コーポレイション | 大豆からのタンパク質溶液の改良された生成 |
| JP2013543734A (ja) * | 2010-11-24 | 2013-12-09 | バーコン ニュートラサイエンス (エムビー) コーポレイション | 大豆タンパク質溶液における渋味 |
| JP2017163908A (ja) * | 2016-03-16 | 2017-09-21 | 不二製油株式会社 | 粉末状大豆蛋白組成物を含む水産練製品 |
| JP2019506451A (ja) * | 2016-01-22 | 2019-03-07 | シンファー ティアン−リー (ハンツォウ) ファーマシー カンパニー リミテッドSinphar Tian−Li (Hangzhou) Pharmacy Company Limited | ウォールナットオリゴペプチド粉及びその調製方法と使用 |
| JP2023532314A (ja) * | 2020-06-26 | 2023-07-27 | インプルーヴ | 非沈殿植物タンパク質単離物の生成 |
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| BRPI0708523A2 (pt) | 2006-03-03 | 2011-05-31 | Specialty Protein Producers Inc | método de separar gordura de materiais de plantas que não são a soja e composições produzidas a partir deles |
| US20080089941A1 (en) * | 2006-06-01 | 2008-04-17 | Mower Thomas E | Fucoidan compositions and methods |
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| DE102008013490A1 (de) * | 2008-03-10 | 2009-09-17 | Bayer Technology Services Gmbh | Verfahren zur Reinigung therapeutischer Proteine |
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| ITMI20101267A1 (it) * | 2010-07-09 | 2012-01-10 | Sirtori Prof Cesare R | Procedimento per l'estrazione di proteine da semi di pisum sativum e simili |
| WO2012037651A1 (en) * | 2010-09-22 | 2012-03-29 | Burcon Nutrascience (Mb) Corp. | Counter-current extraction of oil seed protein source |
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| ES2954895T3 (es) | 2011-03-01 | 2023-11-27 | Univ Copenhagen | Procedimiento de elaboración de un producto a partir de material vegetal |
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| US10433571B2 (en) | 2014-08-27 | 2019-10-08 | Burcon Nutrascience (Mb) Corp. | Preparation of soy protein products (“S810”) |
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| NL2019207B1 (en) * | 2017-07-10 | 2019-01-16 | Napiferyn Biotech Sp Z O O | Method for isolation of protein from plant material |
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- 2003-08-05 AU AU2003252405A patent/AU2003252405A1/en not_active Abandoned
- 2003-08-05 CN CNB038186039A patent/CN1329411C/zh not_active Expired - Fee Related
- 2003-08-05 EP EP03766758A patent/EP1528068B1/en not_active Expired - Lifetime
- 2003-08-05 DE DE60332024T patent/DE60332024D1/de not_active Expired - Lifetime
- 2003-08-05 WO PCT/JP2003/009954 patent/WO2004013170A1/ja not_active Ceased
- 2003-08-05 BR BRPI0313269A patent/BRPI0313269A2/pt not_active IP Right Cessation
- 2003-08-05 US US10/523,622 patent/US20050249865A1/en not_active Abandoned
- 2003-08-05 JP JP2004525844A patent/JP4304721B2/ja not_active Expired - Fee Related
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| EP0827698A2 (en) * | 1996-09-06 | 1998-03-11 | Protein Technologies International, Inc. | Aglucone isoflavone enriched vegetable protein extract and protein material, and high genistein and daidzein content materials and process for producing the same |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005120244A1 (ja) * | 2004-06-07 | 2005-12-22 | Fuji Oil Company, Limited | 大豆蛋白加水分解物の製造法 |
| WO2007066694A1 (ja) * | 2005-12-06 | 2007-06-14 | Fuji Oil Company, Limited | 大豆ペプチド混合物の製造法 |
| JP5125514B2 (ja) * | 2005-12-06 | 2013-01-23 | 不二製油株式会社 | 大豆ペプチド混合物の製造法 |
| JP2013537419A (ja) * | 2010-08-18 | 2013-10-03 | バーコン ニュートラサイエンス (エムビー) コーポレイション | 大豆からのタンパク質溶液の改良された生成 |
| JP2016119920A (ja) * | 2010-08-18 | 2016-07-07 | バーコン ニュートラサイエンス (エムビー) コーポレイションBurcon Nutrascience (Mb) Corp. | 大豆からのタンパク質溶液の改良された生成 |
| JP2013543734A (ja) * | 2010-11-24 | 2013-12-09 | バーコン ニュートラサイエンス (エムビー) コーポレイション | 大豆タンパク質溶液における渋味 |
| JP2019506451A (ja) * | 2016-01-22 | 2019-03-07 | シンファー ティアン−リー (ハンツォウ) ファーマシー カンパニー リミテッドSinphar Tian−Li (Hangzhou) Pharmacy Company Limited | ウォールナットオリゴペプチド粉及びその調製方法と使用 |
| US11072637B2 (en) | 2016-01-22 | 2021-07-27 | Sinphar Tian-Li (Hangzhou) Pharmacy Company Limited | Walnut oligopeptide powder, preparation method and application thereof |
| JP2017163908A (ja) * | 2016-03-16 | 2017-09-21 | 不二製油株式会社 | 粉末状大豆蛋白組成物を含む水産練製品 |
| JP2023532314A (ja) * | 2020-06-26 | 2023-07-27 | インプルーヴ | 非沈殿植物タンパク質単離物の生成 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050249865A1 (en) | 2005-11-10 |
| EP1528068B1 (en) | 2010-04-07 |
| US20090306353A1 (en) | 2009-12-10 |
| JPWO2004013170A1 (ja) | 2006-09-28 |
| AU2003252405A1 (en) | 2004-02-23 |
| CN1675239A (zh) | 2005-09-28 |
| BRPI0313269A2 (pt) | 2016-06-21 |
| JP4304721B2 (ja) | 2009-07-29 |
| CN1329411C (zh) | 2007-08-01 |
| EP1528068A4 (en) | 2005-10-19 |
| EP1528068A1 (en) | 2005-05-04 |
| DE60332024D1 (de) | 2010-05-20 |
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