CN112021638A - Method for improving fragrance quality of tobacco stems and application thereof - Google Patents
Method for improving fragrance quality of tobacco stems and application thereof Download PDFInfo
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- CN112021638A CN112021638A CN202011114594.0A CN202011114594A CN112021638A CN 112021638 A CN112021638 A CN 112021638A CN 202011114594 A CN202011114594 A CN 202011114594A CN 112021638 A CN112021638 A CN 112021638A
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- tobacco
- stems
- flavor
- aroma
- quality
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Classifications
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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
- A24B3/18—Other treatment of leaves, e.g. puffing, crimpling, cleaning
- A24B3/182—Puffing
- A24B3/187—Puffing by electrical treatment
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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
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or 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
- A24B3/00—Preparing tobacco in the factory
- A24B3/04—Humidifying or drying tobacco bunches or cut 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
- A24B3/00—Preparing tobacco in the factory
- A24B3/12—Steaming, curing, or flavouring 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
- A24B5/00—Stripping tobacco; Treatment of stems or ribs
- A24B5/16—Other treatment of stems or ribs, e.g. bending, chopping, incising
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention provides a method for improving the aroma quality of cut stems and application thereof, which is characterized in that after tobacco stems are expanded by microwave and granulated, flavor microcapsules with flavor precursor components for improving the smoking quality are adsorbed to prepare the attached flavor stems, and the attached flavor stems are blended into a cut tobacco formula, so that when cigarettes rolled by the cut tobacco formula are smoked, the applied aroma precursor is converted into the mainstream smoke aroma components of the cigarettes along with the combustion effect of the cigarettes, thereby enhancing the aroma of the cut stems. The method can greatly improve the natural tobacco fragrance of cut stems, and the smoke has pure, natural and harmonious fragrance and no additional fragrance trace. The method is simple and easy to operate, low in investment and remarkable in cut stem aroma enhancement, and can be used for the cigarette industry, the aroma quality of the cut stems can be greatly improved, the utilization rate of the cut stems is improved, and the cigarette cost is reduced.
Description
Technical Field
The invention belongs to the technical field of cigarette production, and particularly relates to a method for improving the fragrance quality of tobacco stems and application thereof.
Background
The tobacco stems refer to the coarse and hard veins in the tobacco leaves and account for about 25 percent of the mass of the tobacco leaves. The main components of the tobacco stems are cell wall substances, starch, protein and other macromolecular substances, and the total sugar, total nitrogen, nicotine and tar are low, so that compared with common tobacco shreds, the tobacco stems have the problems of poor combustibility, insufficient aroma, heavy miscellaneous gas, high irritation and the like, so that the utilization of the tobacco stems in cigarettes is greatly limited.
At present, the tobacco stems are usually directly treated, so that the method not only pollutes the environment, but also wastes resources; the tobacco stems are utilized and treated, the treatment procedures mainly comprise tobacco stem pretreatment, shredding and drying, but the cut stems prepared by the treatment procedures have poor fragrance quality and very low use amount in cigarettes. In recent years, the addition of expanded cut stems to cigarette formulations is one of the other major ways in which tobacco stems can be utilized. The microwave expansion technology is a new technology for realizing expansion by utilizing the microwave heating characteristic. Because the microwave heating has the characteristics of integrity, timeliness, selectivity, high energy utilization rate and the like, the microwave heating is uniform and rapid, the heating time is greatly shortened, and the quality of tobacco stems is better ensured. The well processed cut stems can increase the filling value of cut tobacco, reduce cost, improve the combustibility of cigarettes and reduce the tar content of smoke. However, the tobacco stems processed by microwave have serious loss of flavor components and can only be used as filling materials to be applied to cigarette formulas.
Disclosure of Invention
The invention aims to provide a method for improving the fragrance quality of tobacco stems and application thereof, and aims to solve the problems that the fragrance loss of cut stems processed by the prior art is serious, the cut stems can only be used as filling materials, and the utilization rate of the cut stems is low.
The invention is realized by the following technical scheme:
a method for improving the aroma quality of tobacco stems comprises the following steps:
s1, taking a certain amount of tobacco stem raw materials with tobacco leaves for microwave expansion, carrying out granulation after moisture regain, and finally carrying out microwave shaping to prepare expanded stem particles with porous structures;
s2, taking the precursor of the set flavor component for the cigarette as a core material, and preparing the flavor microcapsule with good stability and capable of effectively controlling the release of the flavor by adopting a complex coacervation method;
s3, uniformly mixing the expanded stem particles and the flavor microcapsules according to a set mass ratio, sealing and placing the mixture on a table concentrator with 150 revolutions per minute for 6-12 hours to enable the flavor microcapsules to be uniformly adsorbed in porous channels of the expanded stems, and air-drying to obtain the flavor-attached stems.
Preferably, the microwave power of the microwave expansion is 110kW, and the microwave radiation time is 30 s; the microwave power of the microwave shaping is 110kW, the pressure is 0.2-0.6MPa, and the shaping time is 10-90 s.
Preferably, the core material is a uniform emulsion formed by adding one or more than one flavor precursor for cigarettes into an emulsifier and stirring.
Preferably, the flavor microcapsule takes the precursor of the flavor component for the cigarette as a core material and takes gelatin and Arabic gum as capsule materials.
Preferably, the mass ratio of the gelatin to the gum arabic is 1: 1-5:1.
Preferably, the ratio of the emulsifier to the precursor of the flavor component for cigarettes and the mass ratio of the core material to the capsule material are controlled to be 0.5: 1-1: 1.
Preferably, the method for preparing the perfume microcapsule by the double coacervation method comprises the following steps:
1) weighing gelatin with a set mass, adding the gelatin into the dissolved core material solution with the concentration of 2%, keeping the temperature at 50 ℃, and shearing the gelatin for 2min at the rotation speed of 10000 rpm;
2) adding 2% of acacia gum aqueous solution into the step 1), stirring and keeping the temperature at 50 ℃;
3) and in the stirring process, slowly dropwise adding M HCl into the mixture obtained in the step 2) to adjust the pH value to 3.5, then immediately placing the mixture into an ice bath to rapidly cool the mixture to below 10 ℃, adding the mixed solution into a 25% aqueous solution of pentanal in a volume percentage of 2 times that of the mixed solution, solidifying the mixture for 0.5h, adjusting the pH value to 7.5 by using 1M NaOH, continuously stirring the mixture in the ice bath, solidifying the mixture for 3h, and filtering the mixture to obtain the perfume microcapsule.
Preferably, the expanded stems and the perfume microcapsules are uniformly mixed according to the mass ratio of 10: 1.
A cigarette comprises the attached tobacco stems prepared by any one of the above methods with good tobacco stem fragrance quality in tobacco shreds.
The invention has the beneficial effects that:
the invention provides a method for improving the aroma quality of cut stems, which is characterized in that tobacco stems are subjected to microwave expansion and granulation to adsorb aroma precursor components with improved smoking quality. When the cigarette is smoked, the applied aroma precursor is converted into aroma components of the mainstream smoke of the cigarette along with the combustion effect of the cigarette, so that the cut stems are enhanced in aroma. The method can greatly improve the natural tobacco fragrance of cut stems, and the smoke has pure, natural and harmonious fragrance and no additional fragrance trace. The method is simple and easy to operate, low in investment and remarkable in cut stem aroma enhancement, and can be used for the cigarette industry, the aroma quality of the cut stems can be greatly improved, the utilization rate of the cut stems is improved, and the cigarette cost is reduced.
Detailed Description
The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.
Example 1
S1, granulating
Taking a certain amount of current stem shreds (long stems in the middle of Yuxi K326 in 2016), removing impurities at first stage, performing microwave expansion (microwave power of 110kW and microwave radiation time of 30s), performing vacuum moisture regaining, granulating, and finally performing microwave shaping (microwave power of 110kW, pressure of 0.5MPa and shaping time of 60 s) to prepare expanded stems (preferably stem shreds with the length of 1.0-2.5 mm) with porous structures.
S2, preparing the tobacco flavor microcapsule
The method comprises the steps of taking targeted cigarette flavor precursor components as core materials (10 ml of ionone, 10 ml of lauryl alcohol, 50 ml of beta-pinene and 5 ml of neophytadiene, adding 1kg of 5% lauryl sodium sulfate emulsifier aqueous solution, stirring into uniform emulsion, wherein the proportion of flavor substances in the core materials is 5%), and preparing the flavor microcapsule by adopting a complex coacervation method. The specific operation steps are as follows: weighing a certain mass of pure gelatin, adding the pure gelatin into a dissolved 2% core material solution (the temperature is kept at 50 ℃), shearing the core material solution at a rotation speed of 10000rpm for 2min, and then adding a 2% acacia gum aqueous solution, wherein the mass ratio of the gelatin to the acacia gum is 1: 1, stirring and keeping the temperature. The percentage concentration of the wall material in water is about 1.5% when the wall material is formed, 1M HCl is slowly dripped in the stirring process to adjust the PH to about 3.5, then the mixed system is immediately placed in an ice bath to be rapidly cooled to below 10 ℃, then the mixed system is added into 25% glutaraldehyde aqueous solution with 2 times of the temperature, the mixed system is solidified for 0.5h, 1M NaOH is used to adjust the mixed system to PH7.5, the mixed system is continuously stirred in the ice bath and solidified for 3h, and the mass ratio of the core material to the wall material is obtained by filtering, namely 1: 1 of a perfume microcapsule.
S3, attach fragrant
Uniformly mixing the expanded stems and the perfume microcapsules according to the mass ratio of 10:1, sealing, placing the mixture in a table concentrator with 150 revolutions per minute for 6 hours, standing for 12 hours to enable the perfume microcapsules to be uniformly adsorbed in porous channels of the expanded stems, and air-drying to obtain the stem with the perfume.
S4, rolling
Three parts of 100g of second-class finished tobacco shreds, keeping the formulas of other tobacco shreds unchanged, adding 5g (5% of blending proportion) of the currently used tobacco shreds in the first part, numbering 1#, adding 5g (5% of blending proportion) of the accessory flavor stem in the second part, numbering 2#, adding 8g (8% of blending proportion) of the accessory flavor stem in the third part, numbering 3#, and respectively making cigarettes.
Sensory evaluation experiment
The rolled cigarettes are placed in a constant-temperature constant-humidity cabinet to be balanced for 48 hours, 7 expert judges are organized to evaluate the three samples, the evaluation mode is dark evaluation, and sensory scores are filled by the judges. The results are as follows:
| numbering | Quality of fragrance | Amount of fragrance | Miscellaneous qi | Irritation property | Aftertaste | Total score |
| 1# (control) | 6.1 | 7.1 | 4.3 | 6.3 | 6.4 | 30.2 |
| 2# (test sample 1) | 8.1 | 8.1 | 6.3 | 7.3 | 7.4 | 37.2 |
| 3# (test sample 2) | 8.1 | 8.1 | 7.3 | 7.3 | 7.4 | 38.2 |
The additive is evaluated from the aspects of aroma, miscellaneous gas, irritation and aftertaste, and the result of smoking shows that the method for improving the aroma quality of the cut stems can improve the aroma quality and the aroma quantity of cigarettes, reduce the miscellaneous gas and improve the irritation and the aftertaste. The method is simple and easy to operate, low in investment, and applicable to the cigarette industry, and can improve the utilization rate of cut stems and reduce the cigarette cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The method for improving the aroma quality of the tobacco stems is characterized by comprising the following steps:
s1, taking a certain amount of tobacco stem raw materials with tobacco leaves for microwave expansion, carrying out granulation after moisture regain, and finally carrying out microwave shaping to prepare expanded stem particles with porous structures;
s2, taking the precursor of the set flavor component for the cigarette as a core material, and preparing the flavor microcapsule with good stability and capable of effectively controlling the release of the flavor by adopting a complex coacervation method;
s3, uniformly mixing the expanded stem particles and the flavor microcapsules according to a set mass ratio, sealing and placing the mixture on a table concentrator with 150 revolutions per minute for 6-12 hours to enable the flavor microcapsules to be uniformly adsorbed in porous channels of the expanded stems, and air-drying to obtain the flavor-attached stems.
2. The method for improving the fragrance quality of tobacco stems according to claim 1, wherein the microwave power of the microwave expansion is 110kW, and the microwave radiation time is 30 s; the microwave power of the microwave shaping is 110kW, the pressure is 0.2-0.6MPa, and the shaping time is 10-90 s.
3. The method for improving the quality of the tobacco stem fragrance according to claim 1, wherein the core material is one or more than one tobacco fragrance precursor, and the core material is added into an emulsifier and stirred to form a uniform emulsion.
4. The method for improving the quality of the tobacco stem aroma according to claim 3, wherein the flavor microcapsule takes the precursor of the flavor component for the set cigarette as a core material and takes gelatin and Arabic gum as capsule materials.
5. The method for improving the quality of tobacco stem aroma according to claim 4, wherein the mass ratio of the gelatin to the Arabic gum is 1: 1-5:1.
6. The method for improving the quality of the tobacco stem aroma according to claim 4, wherein the ratio of the emulsifying agent to the precursor of the tobacco aroma components and the mass ratio of the core material to the capsule material are controlled to be 0.5: 1-1: 1.
7. The method for improving the fragrance quality of tobacco stems according to claim 1, wherein the method for preparing the flavor microcapsules by the complex coacervation method comprises the following steps:
1) weighing gelatin with a set mass, adding the gelatin into the dissolved core material solution with the concentration of 2%, keeping the temperature at 50 ℃, and shearing the gelatin for 2min at the rotation speed of 10000 rpm;
2) adding 2% of acacia gum aqueous solution into the step 1), stirring and keeping the temperature at 50 ℃;
3) and in the stirring process, slowly dropwise adding M HCl into the mixture obtained in the step 2) to adjust the pH value to 3.5, then immediately placing the mixture into an ice bath to rapidly cool the mixture to below 10 ℃, adding the mixed solution into a 25% aqueous solution of pentanal in a volume percentage of 2 times that of the mixed solution, solidifying the mixture for 0.5h, adjusting the pH value to 7.5 by using 1M NaOH, continuously stirring the mixture in the ice bath, solidifying the mixture for 3h, and filtering the mixture to obtain the perfume microcapsule.
8. The method for improving the fragrance quality of the tobacco stems according to claim 1, wherein the expanded stems and the flavor microcapsules are uniformly mixed according to a mass ratio of 10: 1.
9. A cigarette characterized in that cut tobacco contains the aromatic stem prepared by the method of improving the quality of the tobacco stem aroma of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114594.0A CN112021638A (en) | 2020-10-16 | 2020-10-16 | Method for improving fragrance quality of tobacco stems and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011114594.0A CN112021638A (en) | 2020-10-16 | 2020-10-16 | Method for improving fragrance quality of tobacco stems and application thereof |
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| Publication Number | Publication Date |
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| CN112021638A true CN112021638A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011114594.0A Pending CN112021638A (en) | 2020-10-16 | 2020-10-16 | Method for improving fragrance quality of tobacco stems and application thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4534983A (en) * | 1982-10-14 | 1985-08-13 | Naarden International N.V. | Process for flavoring dry vegetable matter |
| CN101305836A (en) * | 2007-05-18 | 2008-11-19 | 云南瑞升烟草技术（集团）有限公司 | Method and device for preparing expanded stem granule |
| CN105062674A (en) * | 2015-07-23 | 2015-11-18 | 湖北中烟工业有限责任公司 | Preparation method of tobacco microcapsule spearmint oil |
| CN105919152A (en) * | 2016-04-20 | 2016-09-07 | 贵州中烟工业有限责任公司 | Preparation method of tobacco substrate realizing non combustion after being heated and containing microcapsule |
| CN108308695A (en) * | 2018-02-12 | 2018-07-24 | 云南芯韵科技开发有限公司 | Smoke agent and preparation method thereof and cigarette comprising the smoke agent |
| CN108703398A (en) * | 2018-09-01 | 2018-10-26 | 江西中烟工业有限责任公司 | A kind of high cigarette perfume heating not burning tobacco and preparation method thereof |
| CN108936788A (en) * | 2018-06-15 | 2018-12-07 | 南通金源新材料有限公司 | A kind of tobacco particle with cooling flavouring function |
-
2020
- 2020-10-16 CN CN202011114594.0A patent/CN112021638A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4534983A (en) * | 1982-10-14 | 1985-08-13 | Naarden International N.V. | Process for flavoring dry vegetable matter |
| CN101305836A (en) * | 2007-05-18 | 2008-11-19 | 云南瑞升烟草技术（集团）有限公司 | Method and device for preparing expanded stem granule |
| CN105062674A (en) * | 2015-07-23 | 2015-11-18 | 湖北中烟工业有限责任公司 | Preparation method of tobacco microcapsule spearmint oil |
| CN105919152A (en) * | 2016-04-20 | 2016-09-07 | 贵州中烟工业有限责任公司 | Preparation method of tobacco substrate realizing non combustion after being heated and containing microcapsule |
| CN108308695A (en) * | 2018-02-12 | 2018-07-24 | 云南芯韵科技开发有限公司 | Smoke agent and preparation method thereof and cigarette comprising the smoke agent |
| CN108936788A (en) * | 2018-06-15 | 2018-12-07 | 南通金源新材料有限公司 | A kind of tobacco particle with cooling flavouring function |
| CN108703398A (en) * | 2018-09-01 | 2018-10-26 | 江西中烟工业有限责任公司 | A kind of high cigarette perfume heating not burning tobacco and preparation method thereof |
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Application publication date: 20201204 |
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