A method for improving the quality of a heating cigarette sheet tobacco and a heating cigarette

By combining acid treatment and hydrothermal treatment, or baking treatment and hydrothermal treatment, the problems of impurities and irritation in heated cigarette sheets are solved, the natural aroma of tobacco and the aroma of baking are enhanced, and the smoking experience of heated cigarettes is improved.

CN119453544BActive Publication Date: 2025-12-26HUBEI CHINA TOBACCO INDUSTRY CO LTD
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Patent Information

Application Number
CN202411965973.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2044-12-30

AI Technical Summary

Technical Problem

Heated cigarette sheets produce noticeable off-flavors and irritation when smoked, lacking the natural aroma of tobacco and resulting in poor satisfaction.

Method used

After acid treatment or baking treatment, the tobacco powder is mixed with wet materials, followed by hydrothermal treatment. After cooling, a slurry is prepared, and thin sheets are prepared by the thick slurry method, then dried, shaped and cut into shreds. This method combines acid treatment with hydrothermal treatment or baking treatment with hydrothermal treatment.

Benefits of technology

It effectively removes impurities and irritating components, enhances the natural aroma and roasted flavor of tobacco, and improves the comfort of heated cigarettes.

✦ Generated by Eureka AI based on patent content.
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Abstract

The application provides a method for improving the quality of heating cigarette sheet tobacco, comprising the following steps: A) mixing tobacco powder and wet materials, and adopting acid treatment or baking treatment to obtain treated tobacco powder; B) performing hydrothermal treatment on the treated tobacco powder, and obtaining slurry after cooling; the parameters of the hydrothermal treatment are as follows: water boiling at 45-100 DEG C for 30-60 min; C) preparing the slurry into sheet by using a thick slurry method, and then drying, shaping and cutting to obtain heating cigarette sheet tobacco. The above treatment method provided by the application achieves the technical effect of effectively removing impurities and reducing the stimulation, increasing tobacco original aroma and baking aroma, and improving the comfort of the heating cigarette through the synergistic cooperation of acid treatment and hydrothermal treatment, or the synergistic cooperation of baking treatment and hydrothermal treatment.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tobacco, in particular to a method for improving the quality of tobacco shreds of a heat-not-burn cigarette and a heat-not-burn cigarette. BACKGROUND

[0002] Heat-not-burn cigarettes are a new form of tobacco product, which releases tobacco extract through heating rather than burning, thereby providing users with an experience similar to that of traditional cigarettes, but reducing the generation of tar and harmful substances. Heat-not-burn cigarettes have a low heating temperature, resulting in weak aroma and insufficient satisfaction.

[0003] The production process of heat-not-burn cigarette sheet mainly includes the thick slurry method and the roller pressing method. In the production process, dry and wet materials such as tobacco powder, glue, water and atomizing agent are mixed uniformly, then spread on a roller or a steel belt, and finally dried by baking to obtain heat-not-burn cigarette sheet. After the tobacco raw material is mixed with water, it often has a green and raw taste. The existing process does not specially treat the tobacco raw material, resulting in obvious odor and irritation when the heat-not-burn cigarette is smoked, and the tobacco aroma is also insufficient. SUMMARY

[0004] Therefore, the technical problem to be solved by the present application is to provide a method for improving the quality of tobacco shreds of a heat-not-burn cigarette. The method of the present application can effectively remove odor and irritation, increase tobacco aroma and baking aroma, and improve the comfort of heat-not-burn cigarettes.

[0005] The present application provides a method for improving the quality of tobacco shreds of a heat-not-burn cigarette, comprising:

[0006] A) mixing tobacco powder and wet materials, using acid treatment or baking treatment to obtain treated tobacco powder;

[0007] B) water-heating treatment of the treated tobacco powder, and obtaining slurry after cooling; the parameters of the water-heating treatment are: water boiling at 45-100℃ for 30-60min;

[0008] C) using the slurry to prepare sheet by the thick slurry method, and then drying, setting, and cutting to obtain heat-not-burn cigarette sheet tobacco shreds.

[0009] Preferably, the acid treatment comprises:

[0010] mixing tobacco powder and acid, and adjusting the pH value to 3-6; the acid comprises one or more of citric acid, malic acid, tartaric acid and phosphoric acid.

[0011] Preferably, the baking treatment comprises:

[0012] placing the tobacco powder in an oven and baking at 150-200℃ for 30-60min.

[0013] Preferably, the parameters of the hydrothermal treatment are 80℃ water boiling for 45min.

[0014] Preferably, the wet material comprises atomizing agent and water; the atomizing agent comprises glycerol or propylene glycol.

[0015] Preferably, the improving heating cigarette sheet tobacco quality comprises: reducing the content of offensive components, reducing the content of stimulating components and increasing the content of tobacco aroma components.

[0016] Preferably, the offensive components comprise leaf aldehyde, phenol, pyridine and long-chain alkane substances, etc.

[0017] The stimulating components comprise propylene aldehyde, methylamine and methyl phenol, etc.

[0018] The tobacco aroma components comprise solanone, neophytadiene content, furfural, 5-methyl furfural, macconostyrin, beta-damascenone, linalool, etc.

[0019] The present application provides a heating cigarette sheet tobacco prepared by the method of any one of the above technical solutions.

[0020] The present application provides a heating cigarette sheet comprising the heating cigarette sheet tobacco of the above technical solution.

[0021] The present application provides a heating cigarette comprising the heating cigarette sheet of the above technical solution.

[0022] Compared with the prior art, the present application provides a method for improving the quality of heating cigarette sheet tobacco, comprising: A) mixing tobacco powder and wet material, using acid treatment or baking treatment to obtain treated tobacco powder; B) hydrothermally treating the treated tobacco powder to obtain slurry after cooling; the parameters of the hydrothermal treatment are 45-100℃ water boiling for 30-60min; C) using the slurry to prepare sheet by thick slurry method, and then drying, setting, cutting to obtain heating cigarette sheet tobacco. The above treatment method provided by the present application achieves the technical effect of effectively removing offensive components and reducing stimulating components, increasing tobacco aroma and baking aroma, and improving the comfort of heating cigarettes through the synergistic cooperation of acid treatment and hydrothermal treatment, or the synergistic cooperation of baking treatment and hydrothermal treatment. DETAILED DESCRIPTION

[0023] The present application provides a method for improving the quality of reconstituted tobacco for heat-not-burn cigarettes and a heat-not-burn cigarette, and those skilled in the art can improve the process parameters as appropriate to achieve the method and application. It should be particularly pointed out that all similar substitutions and modifications are obvious to those skilled in the art and fall within the scope of the present application. The method and application of the present application have been described by way of preferred embodiments, and those skilled in the art can obviously make modifications or appropriate changes and combinations to the method and application herein without departing from the content, spirit and scope of the present application to achieve and apply the present application.

[0024] It should be understood that the expression "one or more of" includes each object recited after the expression and various different combinations of two or more of the recited objects, unless otherwise understood from the context and usage. The expression "and / or" in combination with three or more recited objects should be understood to have the same meaning, unless otherwise understood from the context.

[0025] The use of the terms "including", "has", or "contains", including their grammatical synonyms, should generally be understood as open and non-limiting, for example, not excluding other unrecited elements or steps, unless specifically stated otherwise or otherwise understood from the context.

[0026] In this application, the term "and / or", which describes the association relationship of associated objects, means that there can be three kinds of relationships, for example, A and / or B can represent: A exists alone, A and B exist together, and B exists alone. Wherein A and B can be singular or plural.

[0027] The present application provides a method for improving the quality of reconstituted tobacco for heat-not-burn cigarettes, comprising:

[0028] A) mixing the tobacco powder and the wet material, using acid treatment or baking treatment to obtain treated tobacco powder;

[0029] B) performing hydrothermal treatment on the treated tobacco powder, and obtaining slurry after cooling; the parameters of the hydrothermal treatment are: water boiling at 45-100 DEG C for 30-60 min;

[0030] C) preparing the slurry into reconstituted tobacco by thick slurry method, and then drying, setting, and cutting to obtain reconstituted tobacco for heat-not-burn cigarettes.

[0031] The method for improving the quality of reconstituted tobacco for heat-not-burn cigarettes provided by the present application first mixes the tobacco powder and the wet material.

[0032] The present application uses tobacco powder crushing to obtain the tobacco powder. The present application does not limit the type of tobacco, which is well known in the art. The mesh number of the crushing is preferably 80-200 mesh.

[0033] The wet material comprises atomizing agent and water; the atomizing agent comprises glycerol or propylene glycol; the mass concentration of the atomizing agent in the wet material is 15%-30%.

[0034] The mass ratio of the tobacco powder and the wet material is 2:1.

[0035] After mixing, the tobacco powder is treated by acid or baking.

[0036] The acid treatment comprises:

[0037] The tobacco powder and the acid are mixed to adjust the pH value to 3-6. Specifically, the pH value can be 3, 4, 5 or 6.

[0038] The acid comprises one or more of citric acid, malic acid, tartaric acid and phosphoric acid; the inventor finds that the polysaccharides and proteins in the tobacco raw material are partially hydrolyzed under acidic conditions, achieving the effect of reducing bitterness and increasing aroma.

[0039] The baking treatment comprises:

[0040] The tobacco powder is placed in an oven and baked at 150-200℃ for 30-60min.

[0041] The baking temperature can be specifically 150℃, 160℃, 170℃, 180℃, 190℃ or 200℃, or a range value between any two of the above.

[0042] The baking time can be specifically 30min, 35min, 40min, 45min, 50min, 55min or 60min, or a range value between any two of the above.

[0043] The treated tobacco powder is subjected to hydrothermal treatment, and the slurry is obtained after cooling; the parameters of the hydrothermal treatment are as follows: water boiling at 45-100℃ for 30-60min.

[0044] In one preferred embodiment of the present application, the parameters of the hydrothermal treatment are as follows: water boiling at 80℃ for 45min.

[0045] The inventor finds that the hydrothermal and baking conditions promote the Maillard reaction of the tobacco raw material, which is beneficial to improving the tobacco original aroma and baking aroma characteristics of the heated cigarette.

[0046] The slurry is prepared into a sheet by a thick slurry method, and then dried, shaped and cut into shreds to obtain the heated cigarette sheet tobacco.

[0047] The present application does not limit the specific preparation method of the thick slurry method, which is well known to those skilled in the art.

[0048] The drying is preferably baking at 90-110℃ for 3-5min.

[0049] The method for improving the quality of the tobacco shred of the heating cigarette sheet comprises: reducing the content of the peculiar smell component, reducing the content of the stimulating component, and increasing the content of the tobacco aroma component.

[0050] Preferably, the peculiar smell component comprises leaf aldehyde, phenol, pyridine, long-chain alkane, and the like.

[0051] The stimulating component comprises propylene aldehyde, methylamine, and cresol, and the like.

[0052] The tobacco aroma component comprises solanone, neophytadiene content, furfural, 5-methyl furfural, macon trienone, beta-damascenone, linalool, and the like.

[0053] The present inventors find that, by means of the acid treatment and the hydrothermal treatment in cooperation, or the baking treatment and the hydrothermal treatment in cooperation, the content of the tobacco aroma component can be greatly increased, and the content of the peculiar smell and the stimulating smell can be greatly reduced.

[0054] The present application provides a tobacco shred of a heating cigarette sheet, which is prepared by the method according to any one of the technical solutions.

[0055] The preparation method has been clearly described above, and will not be repeated here.

[0056] The present application provides a heating cigarette sheet, which comprises the tobacco shred of the heating cigarette sheet according to the technical solution.

[0057] The present application provides a heating cigarette, which comprises the heating cigarette sheet according to the technical solution.

[0058] The tobacco shred of the present application is prepared into the heating cigarette sheet and the cigarette by means of the conventional method, and has the technical effects of reducing the content of the peculiar smell component, reducing the content of the stimulating component, and increasing the content of the tobacco aroma component.

[0059] The present application provides a method for improving the quality of the tobacco shred of the heating cigarette sheet, which comprises: A) mixing the tobacco powder and the wet material, and adopting the acid treatment or the baking treatment to obtain the treated tobacco powder; B) performing the hydrothermal treatment on the treated tobacco powder, and obtaining the slurry after cooling; the parameters of the hydrothermal treatment are as follows: water boiling at 45-100℃ for 30-60min; C) preparing the sheet by means of the thick slurry method, and then drying, shaping, and cutting to obtain the tobacco shred of the heating cigarette sheet. The above treatment method of the present application is in cooperation between the acid treatment and the hydrothermal treatment, or in cooperation between the baking treatment and the hydrothermal treatment, and finally achieves the technical effects of effectively reducing the peculiar smell and the stimulating smell, increasing the tobacco aroma and the baking aroma, and improving the comfort of the heating cigarette.

[0060] It should be understood that the order of steps or order for performing certain actions is immaterial so long as the application remains operable. Moreover, two or more steps or actions can be conducted simultaneously.

[0061] The use of any and all examples, or exemplary language herein, e.g., "such as" or "including", is intended merely to better illustrate the application and does not pose a limitation on the scope of the application unless otherwise claimed. No language in the specification should be construed as indicating any non-claimed element as essential to the practice of the application.

[0062] Further, the numerical ranges and parameters setting forth the broadest scope of the application are approximations, and are merely intended to convey general information as to the scope of the application. Consistent with the statement above, the numerical values in this specification are not to be understood as limitations, but rather as approximations, unless otherwise indicated. Unless otherwise indicated, all ranges, numbers, values, and percentages in this disclosure are modified in that they are approximations. In this disclosure, "about" is used to indicate that a value is approximately a particular figure; for example, "about 10%" means that the value is approximately 10%, plus or minus 10% of 10%, or 1%.

[0063] It should be understood that the size of the serial number of the above-mentioned processes in various embodiments of the present application does not mean the order of execution, and part or all of the steps can be executed in parallel or in sequence, and the execution order of the processes should be determined according to its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0064] Some cases are described in the examples and comparative examples of the present application, in which the examples show some implementations of the present application. However, this does not mean that the effect of the present application can only be achieved in these cases.

[0065] In order to further illustrate the present application, a method for improving the quality of heating cigarette cut tobacco and a heating cigarette are described in detail below in combination with the examples.

[0066] Example 1: combined baking and hydrothermal treatment

[0067] 1. First, weigh 100 g of tobacco powder, and place the tobacco powder in an oven for baking at 180℃ for 45 min.

[0068] 2. Take out the baked tobacco powder and mix with the wet material, and then cook in water at 80℃ for 45 min.

[0069] 3. After cooling, a slurry is obtained.

[0070] 4. The slurry is used to produce a sheet in a thick slurry method sheet production device.

[0071] 5. The sheet is dried in multiple stages using an oven, shaped, and cut into a heating cigarette cut tobacco.

[0072] After the complex treatment, the content of tobacco original aroma components such as solanone in the heated cigarette sheet was increased from 20 ppm before treatment to 40 ppm, and the content of neophytadiene was increased from 170 ppm to 320 ppm. The content of roasting aroma components such as furfural was increased from 15 ppm to 30 ppm, and the content of 5-methyl furfural was increased from 8 ppm to 15 ppm. The content of harshness components such as trans-chrysanthein was reduced from 5 ppm to 2 ppm. The content of megastigmatrienone was increased from 10 ppm to 18 ppm. The content of β-damascenone was increased from 8 ppm to 15 ppm, and the content of linalool was increased from 6 ppm to 12 ppm. The content of phenol was reduced from 7 ppm to 3 ppm.

[0073] Example 2

[0074] First acid treatment and then hydrothermal treatment

[0075] A certain amount of tobacco powder was weighed, mixed with wet materials, and malic acid was added to adjust the pH to 5. Further stirring and mixing obtained a slurry.

[0076] The slurry was boiled at 80°C for 45 min.

[0077] After cooling, a sheet was formed on a roll sheet or a thick slurry sheet.

[0078] The sheet was dried in multiple stages using an oven, shaped, and cut into a heated cigarette sheet.

[0079] Effect data:

[0080] The total amount of tobacco original aroma components in the treated sheet was increased by 46%, and the content of megastigmatrienone was increased from 9 ppm to 15 ppm.

[0081] The content of stimulating components was reduced by 21%, and the total amount of harshness components was reduced by 35%.

[0082] Comparative Example 1 acid treatment:

[0083] 100 g of tobacco powder was weighed, mixed with wet materials, and acid (one or more of citric acid, malic acid, tartaric acid, and phosphoric acid) was added to adjust the pH to 3-6. Further stirring and mixing obtained a slurry.

[0084] The slurry was boiled at 80°C for 45 min.

[0085] A sheet was formed on a roll sheet or a thick slurry sheet.

[0086] The sheet was dried in multiple stages using an oven, shaped, and cut into a heated cigarette sheet.

[0087] Comparative Example 2 base treatment:

[0088] 1) Take a certain amount of tobacco powder, mix the tobacco powder with wet materials;

[0089] 2) Add alkali (sodium carbonate, sodium bicarbonate, sodium citrate, sodium hydroxide, one or more) to adjust the pH to 8-10, further stir and mix to obtain slurry;

[0090] 3) Form a sheet on a roll sheet or thick slurry sheet;

[0091] 4) Dry the sheet in multiple stages with an oven, shape, cut to obtain heated cigarette sheet tobacco.

[0092] Comparative Example 3

[0093] Baking treatment:

[0094] 1) Take 00g of tobacco powder, place the tobacco powder in an oven and bake at 150-200°C for 30-60min;

[0095] 2) Mix the tobacco powder with wet materials, further stir and mix to obtain slurry;

[0096] 3) Form a sheet on a roll sheet or thick slurry sheet;

[0097] 4) Dry the sheet in multiple stages with an oven, shape, cut to obtain heated cigarette sheet tobacco.

[0098] Comparative Example 4

[0099] Hydrothermal treatment:

[0100] 1) Take a certain amount of tobacco powder, mix the tobacco powder with wet materials, and cook in water at 45-100°C for 30-60min;

[0101] 2) Obtain slurry after cooling;

[0102] 3) Form a sheet on a roll sheet or thick slurry sheet equipment;

[0103] 4) Dry the sheet in multiple stages with an oven, shape, cut to obtain heated cigarette sheet tobacco.

[0104] Comparative Example 5

[0105] First, take a certain amount of tobacco powder, place the tobacco powder in an oven and bake at 180°C for 45min.

[0106] Take out the baked tobacco powder and mix with wet materials, then add citric acid to adjust the pH to 4.5, further stir and mix to obtain slurry.

[0107] Form a sheet on a thick slurry sheet equipment.

[0108] The thin slice is dried in multiple stages, shaped, and cut into shreds to obtain the heating cigarette thin slice tobacco shred.

[0109] After the composite treatment, the content of tobacco natural aroma components such as solanone in the heating cigarette thin slice is increased from 20 ppm before treatment to 35 ppm, and the content of neophytadiene is increased from 170 ppm to 300 ppm.

[0110] The content of roasting aroma components such as furfural is increased from 15 ppm to 26 ppm, and the content of 5-methyl furfural is increased from 8 ppm to 13 ppm.

[0111] The content of miscellaneous aroma components such as coumaric aldehyde is reduced from 5 ppm to 4 ppm.

[0112] Comparative Example 6

[0113] First alkaline treatment and then roasting treatment

[0114] A certain amount of tobacco powder is weighed, mixed with wet materials, and sodium citrate is added to adjust the pH to 9.

[0115] After further stirring and mixing to obtain the slurry, the tobacco powder is placed in an oven and roasted at 160°C for 50 min.

[0116] The thick slurry method thin slice is prepared.

[0117] The thin slice is dried in multiple stages, shaped, and cut into shreds to obtain the heating cigarette thin slice tobacco shred.

[0118] Effect data:

[0119] The content of important components in tobacco natural aroma, β-damascone, is increased from 11 ppm to 19 ppm, and the content of linalool is increased from 7 ppm to 13 ppm.

[0120] Miscellaneous aroma and stimulating components are significantly reduced, of which the content of phenol is reduced from 12 ppm to 5 ppm.

[0121] The above only describes the preferred embodiments of the present application, and it should be noted that for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A method of improving the quality of cut filler in a heat rolled sheet, characterized in that, Comprising: A) mixing tobacco powder and wet materials, using acid treatment or baking treatment to obtain treated tobacco powder; the acid treatment comprises: mixing tobacco powder and acid, adjusting pH value to 3-6; the acid comprises one or more of citric acid, malic acid, tartaric acid and phosphoric acid; the wet materials comprise atomizing agent and water; the atomizing agent comprises glycerol or propylene glycol; the baking treatment comprises: placing tobacco powder in an oven for baking at 150-200℃ for 30-60 min; B) performing hydrothermal treatment on the treated tobacco powder, obtaining slurry after cooling; the parameters of the hydrothermal treatment are: water boiling at 45-100℃ for 30-60 min; C) using thick slurry method to prepare the slurry into sheet, then drying, setting, cutting into shreds to obtain heating cigarette sheet tobacco; the improvement of the quality of the heating cigarette sheet tobacco comprises: reducing the content of miscellaneous components, reducing the content of stimulating components and increasing the content of tobacco aroma components; the miscellaneous components comprise leaf aldehyde and phenol; the stimulating components comprise propylene aldehyde, methylamine and methyl phenol; the tobacco aroma components comprise: solanone, neophytadiene, furfural, 5-methyl furfural, macbecin trienone, beta-damascenone and linalool.

2. The method of claim 1, wherein, the parameters of the hydrothermal treatment are: water boiling at 80℃ for 45 min.

3. A heated cigarette sheet tobacco, characterized by, prepared by the method of any one of claims 1-2.

4. A heated cigarette sheet, characterized by, the heating cigarette sheet tobacco of claim 3.

5. A heat-not-burn cigarette, characterized by the heating cigarette sheet of claim 4.

Citation Information

Patent Citations

  • Method for improving tobacco quality

    CN111374346A

  • Novel tobacco capable of improving sensory smoking quality, heating section of novel tobacco and preparation method of thick-slurry-method sheet of novel tobacco

    CN117441926A

  • Aroma-enhancing and quality-improving method applied to tar-reducing and harm-reducing tobacco product

    CN119054947A