Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
  • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
  • A24B15/10—Chemical features of tobacco products or tobacco substitutes
  • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
  • A24B15/14—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco made of tobacco and a binding agent not derived from tobacco
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
  • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
  • A24B15/10—Chemical features of tobacco products or tobacco substitutes
  • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
  • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
  • A24B15/18—Treatment of tobacco products or tobacco substitutes
  • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
  • A24B15/30—Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
  • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
  • A24B15/18—Treatment of tobacco products or tobacco substitutes
  • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
  • A24B15/42—Treatment of tobacco products or tobacco substitutes by chemical substances by organic and inorganic substances
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
  • A24B3/00—Preparing tobacco in the factory
  • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products

Definitions

• the present disclosure relates to the field of new materials for a new tobacco, and in particular to the technical field of the design and production of a thick-paste-method sheet for a new tobacco.
• Tobacco sheets were adopted as a reprocessing technology in the 1960s to address the reuse of waste materials during tobacco processing.
• tobacco sheets begin to play an important role. Due to their more easily adjustable chemical composition and combustion properties compared to traditional tobacco leaves, tobacco sheets have been endowed with the function of reducing tar and harm, and they are used as a functional carrier or a main material to improve the combustion state of cigarettes and adjust the chemical composition of smoke.
• tobacco sheets have become the main new smoking material in the field of new tobacco, and their functional role has been further expanded.
• the methods of preparing tobacco sheets mainly include thick paste method, roll pressing method, papermaking method and improved papermaking method (dry method).
• the first purpose of the present disclosure is to provide a method for improving sensory evaluation quality of a thick-paste-method sheet for new tobacco (heated cigarettes) with the aim of improving the smoking taste of the prepared thick-paste-method sheet for a new tobacco (heated cigarettes).
• the second purpose of the present disclosure is to provide a thick-paste-method sheet for a new tobacco (heated cigarettes) prepared by the preparation method and use in a new tobacco (heated cigarettes) thereof.
• the third object of the present disclosure is to provide a new tobacco (heated cigarettes) comprising the thick-paste-method sheet.
• a composition is provided by the present disclosure, which comprises a thick paste of an adhesive and cigarette powder, and an additive;
• the adhesive is at least one of a plant gum, a starch derivative, CMC and sodium alginate;
• additional plant fibers are allowed to be added into the thick paste.
• composition in improving sensory evaluation quality of a thick-paste-method sheet for a new tobacco is provided by the present disclosure.
• a method for improving sensory evaluation quality of a thick-paste-method sheet for a new tobacco which comprises: obtaining a thick paste comprising an adhesive and cigarette powder, adding additives to the thick paste and adjusting the pH of the system to 3 to 6, and then stirring and reacting the system at a temperature of 50°C to 95°C and a low pressure (negative pressure), so as to obtain a modified thick paste; and subjecting the modified thick paste to paste distribution and drying treatment, so as to obtain a thick-paste-method sheet for a new tobacco;
• the additive comprising an additive A, an additive B and an additive C is innovatively added into the thick paste, and combined with the joint control of low-pressure stirring and temperature, it helps to facilitate the chemical synergy of the additive, the improvement of flavor substances, the reduction of off-flavor and the improvement of smoking taste.
• the components and contents in the thick paste can be conventional or obtained by known means.
• the adhesive is at least one of a plant gum, a starch derivative, CMC and sodium alginate.
• the plant gum is at least one of xanthan gum, tamarind gum, carrageenan, guar gum and konjac gum.
• the starch derivative is at least one of modified starch, oxidized starch and etherified starch;
• the component of the additive and the joint control of the low-pressure stirring process and the temperature are the keys to improve the thick-paste-method smoking taste.
• the additive A is ammonium dihydrogen phosphate.
• the research of the present disclosure shows that ammonium dihydrogen phosphate, used as additive A, can be further combined with additive B, additive C and alcoholization process, which can further improve the smoking taste of the prepared sheet.
• the heterocyclic ring is, for example, a saturated or aromatic ring, wherein the heteroatom is, for example, O, N, and preferably N. Further, the heterocyclic ring is tetrahydropyrrole ring, indole ring, pyrrole, imidazole, etc.
• the additive B is a compound with R containing a heterocyclic ring, which includes at least one of formulas 1-A to 1-D;
• the research of the present disclosure shows that the additive B represented by formula 1-A to 1-D can be further combined with additive A, additive C and alcoholization process, and the smoking taste of the prepared sheet can be further improved.
• the additive B is a mixture of formula 1-A and formula 1-C with a weight ratio of 1 :0.5-2.
• the research shows that the preferred additive B can further improve the release effect of the target aroma substances unexpectedly, and further improve the smoking effect.
• the monosaccharide is at least one of arabinose, ribose, xylose, lyxose, glucose, mannose, fructose and galactose, preferably a mixture of ribose and glucose.
• the preferred monosaccharide can further cooperate with the components and the process of the present disclosure, which can further improve the content of the target aroma and further improve the smoking taste.
• the weight ratio of the additive A, the additive B and the additive C in the additive is 1:0.5-10:0.5-10, and further can be 1:1-2:1-10.
• the weight ratio of the additive to the thick paste is less than or equal to 0.3:1, preferably 0.1-0.2:1.
• the pH of the system is adjusted by a pH regulator.
• the pH regulator can be conventional acid or alkali, for example, the acid can be phosphoric acid, and the alkali can be sodium hydroxide, potassium hydroxide, etc.
• the pH of the thick paste is controlled to be 3 to 5 through the pH regulator.
• the thick paste added with an additive and subjected to pH regulation is reacted under low pressure, which is beneficial to improving the synergy of components and further improving the smoking taste of the prepared sheet.
• the pressure of the low pressure is less than 0.1 Mpa, preferably 0.001 Mpa to 0.05 Mpa.
• the low-pressure stirring process comprises a first-stage holding process at T1 temperature and a second-stage holding process at T2 temperature, in which, T1 is 55°C to 65°C and T2 is 75°C to 85°C.
• T1 is 55°C to 65°C
• T2 is 75°C to 85°C.
• the low-pressure stirring is performed for a time of 4 h to 30 h, preferably 4 to 24 h; when the preferred two-stage low-pressure stirring process is adopted, the first-stage low-pressure stirring process is preferably performed for a time of 2 h to 15 h, preferably 2 to 4 h; the second low-pressure stirring process is preferably performed for a time of 2 h to 15 h, preferably 2 h to 4 h.
• a thick-paste-method sheet for a new tobacco (heated cigarettes) prepared by the preparation method is also provided by the present disclosure.
• a heating section of a new tobacco (heated cigarettes) added with the thick-paste-method sheet for new tobacco (heated cigarettes) prepared by the preparation method is also provided by the present disclosure.
• a new heated cigarette having the heating section of the present disclosure is also provided by the present disclosure.
• an additive comprising an additive A, an additive B and an additive C is innovatively added into the thick paste, and combined with the joint control of low-pressure and temperature, it helps to facilitate the chemical synergy of additives, the improvement of flavor substances, the reduction of off-flavor and the improvement of smoking taste.
• the research of the present disclosure also shows that by innovatively adopting the component of formula 1 with R containing a heterocyclic ring as additive B, further cooperating with ammonium dihydrogen phosphate as additive and combining with low-pressure two-stage gradient, the synergy can be unexpectedly further realized, which is helpful to further improve the content of target aroma components, reduce off-flavors and significantly improve the sensory evaluation effect of smoking.
• FIG. 1 shows a comparative diagram of aroma components of sheets prepared in Example 1 and Comparative example 1; the upper spectrum line is the spectrum line of Example 1, and the lower spectrum line is the spectrum line of Comparative example 1.
• the present disclosure discloses a new tobacco with improved sensory evaluation quality, and a preparation method for heating section and thick-paste-method sheet thereof.
• Those skilled in the art can learn from the content herein and appropriately improve the process parameters to realize the present disclosure. It should be particularly noted that all similar substitutions and modifications are obvious to those skilled in the art, and they are deemed to be included in the present disclosure.
• the method and use of the present disclosure have been described through preferred embodiments, and those skilled in the art can apparently make modifications or appropriate changes and combinations to the method and use herein without departing from the content, spirit and scope of the present disclosure to realize and apply the technology of the present disclosure.
• the initial thick paste can be obtained based on well-known means in the industry, for example, it can be obtained by pulpifying conventional adhesive components and cigarette powder.
• the thick paste modified by the additive and the method of the present disclosure can be formed into a thin sheet based on the known paste distribution, drying and peeling.
• the drying temperature can be 98°C ⁇ 3°C.
• the additive A as ammonium dihydrogen phosphate
• the additive B as compound represented by formula 1-A
• the additive C as a mixture of ribose and glucose with a weight ratio of 1:1 were added into the initial thick paste in sequence; the weight ratio of the additive A, the additive B and the additive C was 1:2:1; the weight ratio of the additive (referring to the total weight of additives A to C) to the thick paste was 0.2:1; subsequently, the PH value of the thick paste was adjusted to 3.5 with phosphoric acid (pH regulator) to obtain mixed thick paste.
• phosphoric acid pH regulator
• the mixed thick paste of step (1) was continuously stirred for 6 hours at a speed of 400 r/min at the holding temperature of (85 ⁇ 5) °C and low pressure of 0.02 Mpa to obtain modified thick paste for later use.
• the modified thick paste was distributed, dried and peeled to form a sheet.
• the thickness of the sheet was 0.17 mm, and the moisture content of the sheet was 11.8%.
• the sheets were rolled into a new tobacco (heated cigarettes), which were evaluated by seven specially trained sensory evaluation experts, and the sensory quality was evaluated according to the relevant methods in Sensory Evaluation Method for Reconstituted Tobacco Leaf (Papermaking Process) (YC/T 498-2014). The average value of quantitative scoring is shown in Table 1.
• Example 1 Compared with Example 1, the only difference is that the initial thick paste in step (1) was directly subjected to the treatments of step (3) to obtain a control sheet.
• the thickness of the sheet was 0.18 mm, and the moisture content of the sheet was 11.5%.
• chromatographic column HP-5MS capillary column (60.0 m ⁇ 250 ⁇ m ⁇ 0.25 ⁇ m); inlet temperature: 250°C, carrier gas: high purity helium, flow rate: 1.0 mL/min, split ratio: 15:1; programmed temperature rise: initial temperature of 40°C held for 2 min, increased at a rate of 8°C/min to 280°C and held for 25 min.
• Mass spectrometry parameters ionization method: electron ionization (EI); ionization energy: 70 eV; ion source temperature: 230°C; quadrupole temperature: 150°C; scanning mode: full scanning; scanning range: 35 amu to 450 amu, and the comparison diagram of aroma components is shown in FIG. 1 . It shows that the method of the present disclosure can selectively increase the content of target aroma substances.
• EI electron ionization
• ionization energy 70 eV
• ion source temperature 230°C
• quadrupole temperature 150°C
• scanning mode full scanning
• scanning range 35 amu to 450 amu
• FIG. 1 shows that the method of the present disclosure can selectively increase the content of target aroma substances.
• the heets were rolled into a new tobacco (heated cigarettes), which were evaluated by seven specially trained sensory evaluation experts, and the sensory quality was evaluated according to the relevant methods in Sensory Evaluation Method for Reconstituted Tobacco Leaf (Papermaking Process) (YC/T 498-2014).
• Table 1 Original record of sensory quality evaluation of reconstituted tobacco leaf (papermaking process) Sample number Eval uatin g indic ator Aroma Smoke Off-flavors Irritation Smoking flavor oth ers Aro ma qua lity Aro ma quan tity turbi d Smoke concent ration Fine ness Wo ody aro ma Other off-flavor s Irrita tion Bur ning Pur ity Com fort Dry ness weig ht/to tal scor e 10 10 1 0 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Example 1 107.
• the new tobacco (heated cigarettes) rolled by the sheets in Example 1 show 2-methylpyrazine increased by 15%, furfural increased by 38%, furfuryl alcohol increased by 52.7%, 5-guaiacol increased by 57.5%, and 2-acetylpyrrole increased by 80.8% in the smoke.
• other typical target flavor components have increased to varying degrees.
• Example 2 Compared with Example 1, the only difference was that 5 kg of adhesive and 1 kg of cigarette powder were mixed to form an initial thick paste, and on this basis, the components and proportions of the additive A, the additive B and the additive C in the preparation process were changed.
• the experimental groups were as follows:
• Experimental group A the additive A was diammonium hydrogen phosphate, and the total amount of the additive A remained unchanged.
• Experimental group B the additive B was formula 1-C, and the total amount of the additive B remained unchanged.
• Experimental group C the additive B was a mixture of formula 1-A and formula 1-C with a weight ratio of 1:1, and the total amount of the additive B remained unchanged.
• Experimental group D the additive B was a compound represented by formula 1 with R1 as benzyl, and the total amount of the additive B remained unchanged.
• Experimental group E the additive C was glucose, and the total amount of the additive C remained unchanged.
• Experimental group F the weight ratio of the additive A, the additive B and the additive C in the additive was 1:10:10, and the weight ratio of the additive to the thick paste was 0.1:1.
• Example 2C Compared with Example 2C, the only difference was that low-pressure two-stage gradient treatment was adopted in step (2), and the different process was as follows: under the condition of 0.02 Mpa, the mixed thick paste in step (1) was kept at (60 ⁇ 5) °C for 3 h in advance, and then at 80 ⁇ 5)°C for 3 h to obtain modified thick paste.
• Example 2B group Compared with Example 2B group, the only difference was that the same weight of ammonium lactate was used as the additive A.
• Example 2B group Compared with Example 2B group, the only difference was that the pressure of the reaction process is normal pressure in step 2.
• step (1) the additive A as ammonium phosphate, the additive B as formula 1-B and an additive C as mannose were added into the mixed paste in sequence; the weight ratio of the additive A, the additive B to the additive C was 1:1:1; the weight ratio of the additive to the thick paste was 0.2:1; the PH value of the thick paste was adjusted to 4.0 with phosphoric acid.
• the mixed thick paste in the step (1) was continuously stirred for 6 h at the speed of 300 r/min at the holding temperature of (60 ⁇ 5) °C and low pressure of 0.02 Mpa for late use.
• the thick paste was distributed, dried and peeled to form a sheet.
• the thickness of the sheet was 0.16 mm, and the moisture content of the sheet was 11.0%.
• the prepared adhesive and 100 kg of cigarette powder were mixed according to the batch formula requirements to form a uniformly mixed thick paste.
• the additive A as ammonium dihydrogen phosphate, the additive B formula 1-B and the additive C as lyxose were added into the mixed paste in sequence; the weight ratio of the additive A: the additive B to the additive C was 1:1:10; the weight ratio of the additive to the thick paste was 0.15:1; and the PH value of the thick paste was adjusted to 5.0 with phosphoric acid.
• the mixed thick paste in step (1) was continuously stirred for 8 h at the speed of 300 r/min at the holding temperature of (70 ⁇ 5) °C and low pressure of 0.02 Mpa for late use.
• the thick paste was distributed, dried and peeled to form a sheet.
• the thickness of the sheet was 0.17 mm, and the moisture content of the sheet was 11.3%.
• the additive A as ammonium dihydrogen phosphate, the additive B compound represented by formula 1-B and the additive C as arabinose were added into the mixed paste in sequence; the weight ratio of the additive A, the additive B and the additive C was 1:1:5; the weight ratio of the additive to the thick paste was 0.10:1; and the PH value of the thick paste was adjusted to 4.5 with phosphoric acid.
• the mixed thick paste in step (1) was continuously stirred for 8 h at the speed of 500 r/min at the holding temperature of (60 ⁇ 5) °C and low pressure of 0.15 Mpa for late use.
• the thick paste was distributed, dried and peeled to form a sheet.
• the thickness of the sheet was 0.18 mm, and the moisture content of the sheet was 11.8%.
• Examples 4 to 6 were evaluated according to the method of Example 1, and the results are shown in Table 4.
• Table 4 Evaluation results of Examples 4 to 6 Samp le numb er Evaluat ing indicat or Aroma Smoke Off-flavors Irritation Smoking flavor Oth ers Aro ma qual ity Aro ma quan tity tur bid Smoke concentr ation Fine ness Wo ody aro ma Oth er off-flav ors Irritat ion Burn ing Pur ity Com fort Dryn ess weight/ total score 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
• the process of the present disclosure based on the additive and the low pressure reaction, can unexpectedly improve the release of the target aroma substance of the prepared sheet.
• a new tobacco with improved sensory evaluation quality, and a preparation method for heating section and thick-paste-method sheet thereof provided by the present disclosure are described in detail hereinbefore.
• the principle and implementation of the present disclosure are illustrated by using specific embodiments herein. The above descriptions of the embodiments are only used to facilitate understanding of the method and the core idea of the present disclosure. It should be noted that, several improvements and modifications may be made to the present disclosure by those skilled in the art without departing from the principle of the present disclosure, and these improvements and modifications also fall within the protection scope of the claims of the present disclosure.

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• 2023
  • 2023-10-19 CN CN202311357207.XA patent/CN117441926B/zh active Active
• 2024
  • 2024-09-30 EP EP24878848.1A patent/EP4652859A1/fr active Pending
  • 2024-09-30 WO PCT/CN2024/122724 patent/WO2025082204A1/fr active Pending
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