CN112438420B - Method for reducing irritation of tobacco sheets produced by papermaking method - Google Patents
Method for reducing irritation of tobacco sheets produced by papermaking method Download PDFInfo
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- CN112438420B CN112438420B CN202011397824.9A CN202011397824A CN112438420B CN 112438420 B CN112438420 B CN 112438420B CN 202011397824 A CN202011397824 A CN 202011397824A CN 112438420 B CN112438420 B CN 112438420B
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- alcohol
- soluble
- coating liquid
- tobacco
- tobacco sheet
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- 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
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- 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
- A24B3/12—Steaming, curing, or flavouring tobacco
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Abstract
The invention relates to a method for reducing irritation of a paper-making tobacco sheet, which belongs to the field of preparation of paper-making tobacco sheets and comprises the following steps: extracting tobacco powder with alcohol, and concentrating to obtain alcohol soluble concentrate; uniformly mixing the alcohol-soluble concentrate with an alcohol-soluble extract of a plant, glycerol, an Amadori compound, monoglyceride and a sweetening agent to obtain an alcohol-soluble coating liquid; uniformly mixing the alcohol-soluble coating liquid and the carrier solution, adding alcohol-soluble protein, and uniformly mixing to obtain a carrier alcohol-soluble coating liquid; adding the carrier alcohol-soluble coating liquid into a conventional coating liquid for a tobacco sheet to prepare a coating liquid; and adding the coating liquid into the tobacco sheet paper base, and drying to obtain the tobacco sheet. The existing tobacco sheets have lower harmful components such as tar and the like, but have higher carbon monoxide content, serious dry feeling, larger irritation, uncoordinated smoke and serious wood gas, so the invention reduces the irritation of the tobacco sheets by a papermaking method.
Description
Technical Field
The invention belongs to the technical field of preparation of tobacco sheets by a papermaking method, and particularly relates to a method for reducing irritation of the tobacco sheets by the papermaking method.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The tobacco sheet is a product formed by recombining waste in the cigarette production process such as tobacco stems, tobacco powder, tobacco shreds and the like and plant fibers, and is also called reconstituted tobacco. The development of the method is to save raw materials and reduce the cost at the beginning. The tobacco sheet is developed through 3 stages of rolling process, thick pulp process and paper making process. Compared with other two methods, the tobacco sheets prepared by the papermaking method have great advantages, which are mainly shown as follows: the tobacco filler has the advantages of small density, high filling value, high shredding rate, low crushing rate, good machining performance and low tar content, can improve the inherent quality and quality of the tobacco and even cigarettes to the maximum extent, and can effectively improve the use value of low-grade tobacco leaves. With the growing concern over health problems caused by smoking, tobacco sheets also play an increasingly important role in reducing tar and harm of cigarettes and improving related quality, and the proportion and range of use of the tobacco sheets in the cigarette industry are greatly developed. The annual usage of tobacco sheets worldwide is over 20 million tons and is increasing.
At the end of the last 90 s, the systematic research on the tobacco sheets by the paper making method is started in China. Compared with foreign products, the product has a certain gap, which is mainly shown in that: the dryness is serious, the irritation is large, the smoke is not harmonious, and the wood gas is serious; although the harmful components such as tar are low, the carbon monoxide content is high. These problems limit the use of the sheet in cigarette products. To improve the sensory quality, the dry feeling and the irritation of the smoke are two direct and outstanding problems which need to be solved. In order to reduce the irritation of the tobacco sheets, a method for reducing the irritation of the tobacco sheets produced by a papermaking method is researched and disclosed. The method comprises adding additives in an amount of 0.5-5% of the dry weight of tobacco material in the extraction stage, wherein the additives comprise a plant extract or plant powder, a sweetener, an Amadori intermediate, a sugar oxazine material, a binder, a humectant, a surfactant, a nano metal oxide, a pigment and water. Although the method reduces irritation, the high temperature drying process of tobacco sheet causes great loss of aroma substances in plant extract and aroma substances generated by Amaderi pyrolysis, and does not play an effective protection role.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: although the tobacco sheet has low content of harmful components such as tar, the tobacco sheet has high content of carbon monoxide, serious dry feeling, high irritation, inconsistent smoke and serious wood gas, so the irritation of the tobacco sheet prepared by the paper-making method needs to be reduced.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
in a first aspect of the present invention, there is provided a method of reducing the irritation associated with a papermaking process tobacco sheet, comprising:
extracting tobacco powder with alcohol, and concentrating to obtain alcohol soluble concentrate;
uniformly mixing the alcohol-soluble concentrate with an alcohol-soluble extract of a plant, glycerol, an Amadori compound, monoglyceride and a sweetening agent to obtain an alcohol-soluble coating liquid;
uniformly mixing the alcohol-soluble coating liquid and the carrier solution, adding alcohol-soluble protein, and uniformly mixing to obtain a carrier alcohol-soluble coating liquid;
adding the carrier alcohol-soluble coating liquid into a conventional coating liquid for a tobacco sheet to prepare a coating liquid;
and adding the coating liquid into the tobacco sheet paper base, and drying to obtain the tobacco sheet.
The invention develops a method for efficiently reducing the irritation of tobacco sheets. The original flavor substances in the tobacco powder are extracted by adopting ethanol, and the content of the flavor substances in the tobacco sheets can be obviously improved by combining with other plant alcohol-soluble extracts, so that the stimulation of the sheets is reduced.
In a second aspect of the invention, there is provided a tobacco sheet prepared by any of the above methods.
The tobacco sheets prepared by the method have the advantages of small irritation, good sensory quality and good market prospect.
In a third aspect of the invention, there is provided the use of a tobacco sheet as described above in the manufacture of a cigarette.
The tobacco sheet prepared by the method is low in irritation and good in sensory quality, so that the tobacco sheet is expected to be widely applied to cigarette manufacturing.
The invention has the beneficial effects that:
(1) the original flavor substances in the tobacco powder are extracted by adopting ethanol, and the content of the flavor substances in the tobacco sheets can be obviously improved by combining with other plant alcohol-soluble extracts, so that the stimulation of the sheets is reduced;
(2) beta-cyclodextrin is a cyclic compound formed by connecting seven glucopyranose units by alpha-1, 4 glycosidic bonds, and has a special hollow structure. The beta-cyclodextrin molecule is mainly characterized by having a hydrophobic center, having good inclusion effect on alcohol-soluble substances and reducing the volatilization of the alcohol-soluble fragrant substances in the drying process.
(3) After the alcohol soluble substance is included by beta-cyclodextrin, the alcohol soluble substance is further included by alcohol soluble protein, volatilization of the fragrance substance can be inhibited in the coating liquid and the subsequent drying process, and the retention rate is high.
(4) The research finds that: the beta-cyclodextrin carrier and alcohol soluble protein inclusion combined mode can obviously reduce the volatilization of alcohol soluble substances and play a synergistic role.
(5) The method is simple, convenient to operate, high in practicability and easy to popularize.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
A method for reducing the irritation of a papermaking tobacco sheet, said method comprising the steps of:
step A, preparation of alcohol extract of tobacco powder: extracting tobacco powder with ethanol, separating to obtain ethanol extract, and concentrating the ethanol extract to obtain alcohol soluble concentrate;
step B, preparation of alcohol-soluble coating liquid: adding a certain amount of alcohol soluble extract of other plants, glycerol, Amadori compound, monoglyceride, sweetener, etc. into the above alcohol soluble concentrate to obtain alcohol soluble coating solution;
step C, preparing a carrier solution: preparing a beta-cyclodextrin solution with a certain concentration;
step D: preparation of a carrier alcohol-soluble coating liquid: adding a certain proportion of alcohol-soluble coating liquid into the carrier solution, and fully mixing;
step E: preparation of a carrier alcohol-soluble coating liquid: adding a certain proportion of alcohol soluble protein into the step D, and fully mixing;
step F, preparation of coating liquid: e, adding the alcohol-soluble coating liquid subjected to carrying in the step E into a conventional coating liquid for the tobacco sheets according to a certain proportion to prepare a coating liquid;
step G, preparing the tobacco sheets: and D, adding the coating liquid in the step F into the tobacco sheet paper base according to a certain proportion, and drying to obtain the tobacco sheet.
In some embodiments, the alcohol extraction is performed with ethanol, and the solid-to-liquid ratio is 1: 8-10, so as to effectively extract the original flavor substances in the tobacco powder.
In some embodiments, the alcohol extraction is performed for 1-2 hours at 60-70 ℃ under stirring, so as to improve the extraction efficiency and the yield of the fragrant substances.
In some embodiments, the mass ratio of the alcohol-soluble concentrate to the alcohol-soluble extract of the plant, glycerin, Amadori compound, monoglyceride, and sweetener is: 1: 0.2-0.3: 0.05-0.08: 0.05-0.08: 0.1-0.2: 0.1-0.2, so as to obtain better sensory quality through the cooperation of various additives, and realize the synchronous promotion of various indexes.
The original flavor substances in the tobacco powder are extracted by adopting ethanol, and the content of the flavor substances in the tobacco sheets can be obviously improved by combining with other plant alcohol-soluble extracts, so that the stimulation of the sheets is reduced; in some embodiments, the alcohol soluble extract of other plants is folium artemisiae argyi alcohol soluble extract, folium artemisiae argyi essence or folium artemisiae argyi essential oil, so as to obtain better fragrance composite effect.
In some embodiments, the supported solution is a beta-cyclodextrin solution with a mass concentration of 15% to 20%. The beta-cyclodextrin molecule is mainly characterized by having a hydrophobic center, having good inclusion effect on alcohol-soluble substances and reducing the volatilization of the alcohol-soluble fragrant substances in the drying process.
In some embodiments, the mass ratio of the alcohol-soluble coating liquid to the beta-cyclodextrin solution is 1-1.5: 10 to obtain a better inclusion effect.
In some embodiments, the addition amount of prolamin in the supported alcohol-soluble coating solution is 2-3%. The alcohol soluble protein is a water insoluble protein, and can obtain a good encapsulation effect under the condition of low dosage by being matched with beta-cyclodextrin in the application.
In some embodiments, the mass ratio of the vectorized alcohol-soluble coating fluid to the conventional coating fluid is 0.05: 1, so as to effectively regulate and control the sensory quality of the tobacco sheets.
In some embodiments, the Amadori compound can be prepared using methods described in review of methods for the synthesis of Amadori compounds (wangjun et al).
The present invention is described in further detail below with reference to specific examples, which are intended to be illustrative of the invention and not limiting.
In the following examples, the preparation method of the alcohol soluble extract of artemisia argyi comprises the following steps:
taking 500kg of folium artemisiae argyi, crushing, sieving by a 24-mesh sieve, adding 4000L of 95% ethanol solution, stirring and extracting at normal temperature for 20 hours, filtering by 300-mesh filter cloth to obtain filtrate 1, and keeping filter residues for later use;
(2) and (3) second extraction: adding 4000L of 95% ethanol solution into the filter residue, stirring and extracting at normal temperature for 4h, and filtering with 300-mesh filter cloth to obtain filtrate 2;
(3) merging the filtrates: mixing the filtrate 1 and the filtrate 2 to obtain extractive solution, concentrating under reduced pressure at 60 deg.C under vacuum degree of-0.07 Mpa to obtain alcohol soluble extract of folium Artemisiae Argyi with relative density of 0.65.
Comparative example 1
A. Preparation of coating liquid: weighing a certain mass of tobacco stems and tobacco powder, mixing at a ratio of 1:1, adding 10 times of deionized water, stirring and extracting at 80 ℃ for 1h, and performing centrifugal separation to obtain a supernatant and residues. Concentrating the supernatant in vacuum until the solid content is 35% to obtain a coating liquid;
B. preparing a paper base: adding 15% dry basis weight of softwood pulp fiber into the tobacco stalk and tobacco powder residue, pulping with a pulping machine, making paper, and controlling the thickness of the paper base at 62-65g/m 2 。
C. Preparing a tobacco sheet: and (3) uniformly spraying the coating liquid on the surface of the paper base, controlling the coating rate at 35%, and drying at 110 ℃ to obtain the tobacco sheet.
Example 1
A. Preparing the alcohol extract of tobacco powder: weighing a certain amount of tobacco powder, adding 10 times of ethanol, stirring and extracting at 60 deg.C for 1h, centrifuging to obtain ethanol extract and residue, and concentrating the ethanol extract (to 1/15 of the original volume) to obtain alcohol soluble concentrate;
B. preparing alcohol-soluble coating liquid: adding 20% of folium Artemisiae Argyi alcohol soluble extract, 5% of glycerol, 5% of Amadori compound, 1% of monoglyceride, and 1% of glucose into the above alcohol soluble concentrate to obtain alcohol soluble coating liquid;
C. preparing a carrier solution: preparing a beta-cyclodextrin solution with the mass concentration of 15%;
D. preparing a carrier alcohol-soluble coating liquid: adding 10% alcohol-soluble coating liquid into a beta-cyclodextrin solution, and fully mixing;
E. preparation of a carrier alcohol-soluble coating liquid: adding 2% of alcohol soluble protein into the step D, and fully mixing;
F. preparing a tobacco sheet: adding the alcohol-soluble coating liquid subjected to the carrier in the step E into the coating liquid obtained in the step A in the comparative example 1 according to the proportion of 5%, and preparing a tobacco sheet by adopting a comparative example process;
example 2
A. Preparing the alcohol extract of tobacco powder: weighing a certain amount of tobacco powder, adding 10 times of ethanol, stirring and extracting at 60 deg.C for 1h, centrifuging to obtain ethanol extract and residue, and concentrating the ethanol extract (to 1/15 of the original volume) to obtain alcohol soluble concentrate;
B. preparing a carrier solution: preparing a beta-cyclodextrin solution with the mass concentration of 15%;
C. preparation of a carrier alcohol-soluble coating liquid: adding the 10% alcohol-soluble coating liquid obtained in the step A into a beta-cyclodextrin solution, and fully mixing;
D. preparation of a carrier alcohol-soluble coating liquid: adding 2% of alcohol soluble protein into the step C, and fully mixing;
E. preparing tobacco sheets: adding the alcohol-soluble coating liquid subjected to the carrier in the step D into the coating liquid obtained in the step A in the comparative example 1 according to the proportion of 5%, and preparing a tobacco sheet by adopting a comparative example process;
example 3
A. Preparing the alcohol extract of tobacco powder: weighing a certain amount of tobacco powder, adding 10 times of ethanol, stirring and extracting at 60 deg.C for 1h, centrifuging to obtain ethanol extract and residue, and concentrating the ethanol extract (to 1/15 of the original volume) to obtain alcohol soluble concentrate;
B. preparing alcohol-soluble coating liquid: adding 20% of folium Artemisiae Argyi alcohol soluble extract, 5% of glycerol, 5% of Amadori compound, 1% of monoglyceride, and 1% of glucose into the above alcohol soluble concentrate to obtain alcohol soluble coating solution;
C. preparing alcohol-soluble coating liquid: adding 2% of alcohol soluble protein into the step B, and fully mixing;
D. preparing tobacco sheets: adding the alcohol-soluble coating liquid obtained in the step C into the coating liquid obtained in the step A in the comparative example 1 according to the proportion of 5%, and preparing a tobacco sheet by adopting a comparative example process;
example 4
A. Preparing the alcohol extract of tobacco powder: weighing a certain amount of tobacco powder, adding 10 times of ethanol, stirring and extracting at 60 deg.C for 1h, centrifuging to obtain ethanol extract and residue, and concentrating the ethanol extract (to 1/15 of original volume) to obtain alcohol soluble concentrate;
B. preparing alcohol-soluble coating liquid: adding 20% of folium Artemisiae Argyi alcohol soluble extract, 5% of glycerol, 5% of Amadori compound, 1% of monoglyceride, and 1% of glucose into the above alcohol soluble concentrate to obtain alcohol soluble coating solution;
C. preparing a carrier solution: preparing a beta-cyclodextrin solution with the mass concentration of 15%;
D. preparing a carrier alcohol-soluble coating liquid: adding 10% alcohol-soluble coating liquid into the beta-cyclodextrin solution, and fully mixing;
E. preparing tobacco sheets: adding the alcohol-soluble coating liquid subjected to the carrier in the step D into the coating liquid obtained in the step A in the comparative example 1 according to the proportion of 5%, and preparing a tobacco sheet by adopting a comparative example process;
sensory evaluation is carried out according to YC/T498-: aroma quality, aroma amount, turbidity, smoke concentration, fineness, wood gas, other miscellaneous gases, irritation, burning, purity, comfort, and dry feeling. Please note that 7 experts were scored for each sensory index, and the results are shown in the following table. It can be seen that the comparative example is a tobacco sheet prepared by a conventional process, and examples 1 to 4 all significantly reduced the irritation of the tobacco sheet as compared to comparative example 1. The total components of example 1 are significantly higher than those of examples 2-4, which shows that the beta-cyclodextrin carrier inclusion and prolamin inclusion combined mode can significantly reduce the volatilization of prolamin substances and has a synergistic effect.
Sensory evaluation of tobacco sheet
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made in the technical solutions described in the foregoing embodiments, or equivalents thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Although the present invention has been described with reference to the specific embodiments, it should be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A method of reducing the irritation associated with a papermaking process tobacco sheet comprising:
extracting tobacco powder with alcohol, and concentrating to obtain alcohol soluble concentrate;
uniformly mixing the alcohol-soluble concentrate with an alcohol-soluble extract of a plant, glycerol, an Amadori compound, monoglyceride and a sweetening agent to obtain an alcohol-soluble coating liquid;
uniformly mixing the alcohol-soluble coating liquid and the carrier solution, adding alcohol-soluble protein, and uniformly mixing to obtain a carrier alcohol-soluble coating liquid;
adding the carrier alcohol-soluble coating liquid into a conventional coating liquid for a tobacco sheet to prepare a coating liquid;
adding the coating liquid into the tobacco sheet paper base, and drying to obtain a tobacco sheet;
the carrier solution is beta-cyclodextrin solution, and the mass concentration is 15-20%;
the mass ratio of the alcohol-soluble coating liquid to the beta-cyclodextrin solution is (1-1.5): 10;
in the carrier alcohol-soluble coating liquid, the addition amount of alcohol-soluble protein is 2-3%.
2. The method for reducing the irritation of a papermaking process tobacco sheet according to claim 1, wherein the alcohol extraction adopts ethanol, and the solid-to-liquid ratio is 1: 8-10.
3. The method for reducing irritation of a papermaking-method tobacco sheet according to claim 1, wherein the alcohol extraction is performed for 1-2 hours at 60-70 ℃ under stirring.
4. The method of reducing the irritation associated with a papermaking tobacco sheet according to claim 1, wherein the alcohol-soluble concentrate is mixed with an alcohol-soluble extract of a plant, glycerin, an Amadori compound, monoglyceride, and a sweetener in a mass ratio of: 1: 0.2-0.3: 0.05-0.08: 0.05-0.08: 0.1-0.2: 0.1 to 0.2.
5. The method for reducing the irritation of a papermaking tobacco sheet according to claim 1, wherein the mass ratio of the carrier-based alcohol-soluble coating solution to the conventional coating solution is 0.05: 1.
6. a tobacco sheet made by the method of any one of claims 1-5.
7. Use of the tobacco sheet of claim 6 in the manufacture of a cigarette.
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| CN1317986C (en) * | 2002-10-31 | 2007-05-30 | 菲利普莫里斯生产公司 | Electrically heated cigarette including controlled-release flavoring |
| US20050172976A1 (en) * | 2002-10-31 | 2005-08-11 | Newman Deborah J. | Electrically heated cigarette including controlled-release flavoring |
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| CN102429318B (en) * | 2011-09-06 | 2014-08-27 | 湖北中烟工业有限责任公司 | Method for preparing tobacco sheet capable of reducing harmful substances in smoke |
| MX2016011039A (en) * | 2014-02-26 | 2016-11-29 | Philip Morris Products Sa | Smoking article with liquid release component having frangible shell. |
| CN104705774B (en) * | 2015-01-28 | 2016-08-17 | 中国烟草总公司郑州烟草研究院 | A kind of preparation method of reconstituted tobacoo |
| CN107365628A (en) * | 2017-06-29 | 2017-11-21 | 云南中烟新材料科技有限公司 | A kind of cigarette fragrance sustained release agent and its preparation method and application |
| CN110839936B (en) * | 2019-11-28 | 2022-05-03 | 江苏中烟工业有限责任公司 | Tobacco sheet coating liquid and application thereof in heating cigarette core material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004123636A (en) * | 2002-10-03 | 2004-04-22 | Nof Corp | Doubly coated granule and method for producing the same |
| CN107156903A (en) * | 2017-06-16 | 2017-09-15 | 云南中烟工业有限责任公司 | A kind of cigarette of double-decker filter tip granular materials and its manufacture method |
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