CN110833207B - Air-cured tobacco style transformation method - Google Patents

Air-cured tobacco style transformation method Download PDF

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CN110833207B
CN110833207B CN201911132005.9A CN201911132005A CN110833207B CN 110833207 B CN110833207 B CN 110833207B CN 201911132005 A CN201911132005 A CN 201911132005A CN 110833207 B CN110833207 B CN 110833207B
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percent
extract
tobacco leaves
spice
oil
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CN110833207A (en
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李品鹤
胡希
邢蕾
刘路路
黄洋
叶科媛
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China Tobacco Sichuan Industrial Co Ltd
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China Tobacco Sichuan Industrial Co Ltd
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18Treatment of tobacco products or tobacco substitutes
    • A24B15/28Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/30Treatment of tobacco products or tobacco substitutes by chemical substances by organic substances
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00Preparing tobacco in the factory
    • A24B3/12Steaming, curing, or flavouring tobacco

Abstract

The invention discloses a method for converting a cured tobacco style, which is characterized in that cured tobacco leaves are extracted by using a solvent from the process angle, most substances forming the cured tobacco style are extracted, and then different components of spices are respectively soaked and sprayed for perfuming, so that the original defects and the fragrance style of the cured tobacco are removed to a great extent, and the sensory quality is improved. From the perspective of flavor substances, the flavor of common cigarettes is selected, the flavor functions are grouped and added in stages, specifically, the basic base material is applied first, and the main flavor and the dotted flavor are applied respectively through multiple treatments, so that the application method is more favorable for style conversion.

Description

Air-cured tobacco style transformation method
Technical Field
The invention relates to the technical field of tobacco processing, in particular to a method for converting air-cured tobacco into a grid.
Background
Tobacco is generally classified into the following categories: 1. sun-drying the tobacco: generally, mature tobacco leaves grown in the field are picked, tied and hung under an eave, aired and dried to form the tobacco leaves, the tobacco leaves are manually made into cigars and tobacco shreds which are equivalent to the existing cigars and tobacco shreds, and the tobacco shreds are smoked by a simple smoking set. The sun-cured tobacco can also be used for producing cigarettes in a small amount. However, it is pungent and has a strong taste, a large irritation and a narrow consumption range. 2. Flue-curing: after the tobacco leaves are baked, the leaves are golden yellow in color, bright in luster and mellow in taste, and are the main raw materials for producing cigarettes in various countries in the world. The yield of the tobacco is about more than 40 percent of the total amount of tobacco in the world. 3. Burley tobacco: burley tobacco belongs to dark brown air-cured tobacco. The tobacco leaves have rich fragrance and high nicotine content, and are the main raw materials for producing blended cigarettes. 4. Aromatic tobacco: the aromatic tobacco leaves are a special variety, the leaves are very small, and the tobacco leaves contain higher aromatic substances. Is a formula tobacco leaf for producing mixed type cigarettes.
The production areas of sun-cured cigarettes in China are more, the varieties are more, the quality difference is large, in recent years, although the quality of the sun-cured cigarettes is improved to a certain extent through measures such as variety improvement, cultivation adjustment, water and fertilizer adjustment, modulation fermentation and the like, the characteristics of pungency, irritation, dry smoke taste and heavy soil smoke taste are still difficult to be accepted by Chinese cigarette consumers, only a few parts of high-quality sun-cured cigarettes can be used as formula raw materials of cigars or mixed cigarettes, and other low-frequency sun-cured cigarette raw materials are accumulated in a large quantity.
Disclosure of Invention
The invention aims to solve the problems and provide a conversion method of the cured tobacco style, which reduces the smoke smell of the sidestream smoke soil, increases the mellow feeling of the mainstream smoke, promotes the conversion of the cured tobacco in the directions similar to the direction of flue-cured tobacco in the aspects of smoke characteristics, aroma characteristics and taste characteristics, ensures the fragrance of the cured tobacco is fragrant and elegant, the smoke is soft and generates body fluid, the taste is mellow and sweet, the remaining taste is pure, certain sensory characteristics of the flue-cured tobacco are realized, and the use value of the cured tobacco raw material is further expanded.
The invention realizes the purpose through the following technical scheme:
the air-cured tobacco style conversion method comprises the following steps:
the air-cured tobacco style conversion method is characterized by comprising the following steps:
step one, selecting and blending the fragrance substances required by the style conversion agent;
1) selecting perfume with fruit aroma to add fruit sweet flavor, such as sweet orange oil, lemon oil, ethyl butyrate, isoamyl acetate and ethyl caprylate;
2) selecting spicy flavor to give spicy smell and cover miscellaneous gas such as coriander seed oil and nutmeg oil;
3) selecting ethyl furoate, ethyl acetate and the like to slightly increase the fragrance of the wine fermentation sample;
4) selecting lavender oil, violet leaf extract, tree moss extract and menthol which can add faint scent;
5) selecting ethyl maltol, beta-damascone and the like as synergists;
6) selecting jujube tincture, tripotassium glycyrrhizinate, licorice extract, stevioside, propylene glycol and glycerin as a sweetener and a humectant;
7) selecting fenugreek tincture, radix angelicae pubescentis tincture, chicory extract, iris extract and the like as essence materials for inhibiting foreign flavor and modifying fragrance;
8) selecting high-temperature stable flavors such as cacao tincture, vanillin, dihydrocoumarin, peru extract, maple extract, geranium oil, sandalwood oil, patchouli oil, guaiacol and the like as the essence with stable aroma;
9) selecting Virginia flue-cured tobacco extract and Zimbabwe flue-cured tobacco extract as the base material for increasing the natural tobacco fragrance of flue-cured tobacco.
The blending method comprises the following steps: dividing various spices into 3 spice modules of dotted spice, main spice and basic spice according to functions; the method specifically comprises the following steps: the dotted perfume is named as perfume module A, and the formula comprises sweet orange oil 0.2-0.5%, lemon oil 0.1-0.3%, ethyl butyrate 0.2-0.5%, isoamyl acetate 0.1-0.3%, ethyl caprylate 0.1-0.3%, coriander seed oil 0.2-0.6%, nutmeg oil 0.1-0.4%, ethyl furoate 0.2-0.4%, ethyl acetate 0.2-0.4%, lavender oil 0.3-0.6%, violet leaf extract 0.3-0.6%, tree moss extract 2-5%, menthol 0.5-1.5%, ethyl maltol 0.5-2%, and acetodamascone 1-2%, and is diluted to 100% by using 75% ethanol; a main body type spice, which is called as a spice module B and comprises 0.2-0.6 percent of jujube tincture, 1-2 percent of tripotassium glycyrrhizinate, 1-2 percent of licorice extract, 2-4 percent of stevioside, 0-5 percent of propylene glycol, 1-5 percent of glycerol, 1-2 percent of fenugreek tincture, 0.5-1.5 percent of radix angelicae pubescentis tincture, 0.5-1.5 percent of chicory extract, 0.5-1.5 percent of iris tectorum extract, 0.5-1 percent of cacao tincture, 1-2 percent of ethyl vanillin, 1-2 percent of dihydrocoumarin, 0.5-1 percent of peru extract, 2-5 percent of maple extract, 2-5 percent of geranium oil, 0.5-1 percent of sandalwood oil, 0.5-1 percent of patchouli oil and 0.5-1 percent of guaiacol, and is diluted to 100 percent by using 75 percent of ethanol; a basic type spice, which is called as spice module C below, and comprises 5-15% of virginia flue-cured tobacco extract and 4-8% of Zimbabwe flue-cured tobacco extract, and is diluted to 100% by using soft water;
step two, a process treatment method
a) Soaking and extracting the aired tobacco leaves by using an aqueous solution to remove a part of substances contained in the aired tobacco leaves; the method comprises the steps of bagging the tobacco leaves, soaking the tobacco leaves in soft water, continuously stirring the tobacco leaves until substances contained in the tobacco leaves are separated out, and then centrifugally dewatering the tobacco leaves;
b) soaking the centrifugally dehydrated tobacco leaves in a spice module C, adding soft water for dilution, wherein the mass ratio of the tobacco leaves to the spice module C to the soft water is 10:1:50, soaking for 5-10 minutes, and then centrifugally dehydrating;
c) then soaking the tobacco leaves after centrifugal dehydration in a spice module B, adding soft water for dilution, wherein the mass ratio of the tobacco leaves to the spice module B to the soft water is 10:1:50, soaking for 5-10 minutes, then performing centrifugal dehydration, and then drying the tobacco leaves to 12% -14% of moisture by using hot air;
d) applying the flavor module A according to the mass ratio of the tobacco leaves to the flavor module A of 10:1 by using a spraying method;
e) and (3) placing the processed tobacco leaves in a fermentation room, and fermenting for 15-20 days at the temperature of 25-30 ℃ and the relative humidity of 55-65% to obtain the transformed tobacco leaves.
In a further aspect, in the second step, the methods a) to d) may further include: the tobacco leaf cleaning, drying, feeding and drying are all completed by using a cleaning and drying machine; the procedure is set as that soft water is used for cleaning the tobacco leaves for 8 minutes for the first time, the tobacco leaves are dried for 5 minutes, the spice module C and the soft water are added according to the mass ratio of the tobacco leaves to the spice module C to the soft water of 10:1:50 after dehydration, and the tobacco leaves are rolled and soaked for 5 minutes and then are centrifugally dehydrated; after dehydration, adding the spice module B and soft water according to the mass ratio of the tobacco leaves to the spice module B to the soft water of 10:1:50, rolling and soaking for 5 minutes, and then centrifugally dehydrating: and then starting a drying program of the cleaning and drying machine, drying the tobacco leaves by using hot air at the temperature of 90-100 ℃ until the moisture content is 12-14%, taking out the tobacco leaves, and uniformly applying the spice module A by using a spraying method according to the mass ratio of the tobacco leaves to the spice module A of 10: 1.
The invention has the beneficial effects that:
1. according to the invention, from the process angle, the sun-cured tobacco leaves are extracted by using a solvent, most of substances forming the style of the sun-cured tobacco leaves are extracted, and then the sun-cured tobacco leaves are soaked and sprayed with fragrance with different components, so that the original defects and fragrance style of the sun-cured tobacco leaves are removed to a great extent, and the sensory quality is improved.
2. In the method, the flavor of common cigarettes is selected from the aspect of flavor substances, the flavor functions are grouped and added in stages, specifically, the basic base material is applied firstly, and the main body flavor and the dotted flavor are applied respectively through multiple treatments, so that the application method is more favorable for style conversion.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the embodiments or the drawings needed to be practical in the prior art description, and obviously, the drawings in the following description are only some embodiments of the embodiments, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of the treatment process of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In any embodiment, as shown in fig. 1, the method for converting a tobacco curing grid of the present invention includes:
selecting and blending the flavor substances required by the style conversion agent;
the blending method comprises the following steps: dividing various spices into 3 spice modules of dotted spice, main spice and basic spice according to functions; the method specifically comprises the following steps: a dotted perfume, hereinafter referred to as perfume module A, the formula of which is sweet orange oil 0.2-0.5%, lemon oil 0.1-0.3%, ethyl butyrate 0.2-0.5%, isoamyl acetate 0.1-0.3%, ethyl octanoate 0.1-0.3%, coriander seed oil 0.2-0.6%, nutmeg oil 0.1-0.4%, ethyl furoate 0.2-0.4%, ethyl acetate 0.2-0.4%, lavender oil 0.3-0.6%, violet leaf extract 0.3-0.6%, tree moss extract 2-5%, menthol 03-1.5%, ethyl maltol 0.5-2%, and acetodamascone 1-2%, and the formula is diluted to 100% by using 75% ethanol;
a main body type spice, which is called as a spice module B and comprises 0.2-0.6 percent of jujube tincture, 1-2 percent of tripotassium glycyrrhizinate, 1-2 percent of licorice extract, 2-4 percent of stevioside, 0-5 percent of propylene glycol, 1-5 percent of glycerol, 1-2 percent of fenugreek tincture, 0.5-1.5 percent of radix angelicae pubescentis tincture, 0.5-1.5 percent of chicory extract, 0.5-1.5 percent of iris tectorum extract, 0.5-1 percent of cacao tincture, 1-2 percent of ethyl vanillin, 1-2 percent of dihydrocoumarin, 0.5-1 percent of peru extract, 2-5 percent of maple extract, 2-5 percent of geranium oil, 0.5-1 percent of sandalwood oil, 0.5-1 percent of patchouli oil and 0.5-1 percent of guaiacol, and is diluted to 100 percent by using 75 percent of ethanol;
a basic type spice, which is called as spice module C below, and comprises 5-15% of virginia flue-cured tobacco extract and 4-8% of Zimbabwe flue-cured tobacco extract, and is diluted to 100% by using soft water;
wherein, the types of the used style transforming agents are as follows:
1) selecting perfume with fruit aroma to add fruit sweet flavor, such as sweet orange oil, lemon oil, ethyl butyrate, isoamyl acetate and ethyl caprylate;
2) selecting spicy flavor to give spicy smell and cover miscellaneous gas such as coriander seed oil and nutmeg oil;
3) selecting ethyl furoate, ethyl acetate and the like to slightly increase the fragrance of the wine fermentation sample;
4) selecting lavender oil, violet leaf extract, tree moss extract and menthol which can add faint scent;
5) selecting ethyl maltol, beta-damascone and the like as synergists;
6) selecting jujube tincture, tripotassium glycyrrhizinate, licorice extract, stevioside, propylene glycol and glycerin as a sweetener and a humectant;
7) selecting fenugreek tincture, radix angelicae pubescentis tincture, chicory extract, iris extract and the like as essence materials for inhibiting foreign flavor and modifying fragrance;
8) selecting high-temperature stable flavors such as cacao tincture, vanillin, dihydrocoumarin, peru extract, maple extract, geranium oil, sandalwood oil, patchouli oil, guaiacol and the like as the essence with stable aroma;
9) selecting Virginia flue-cured tobacco extract and Zimbabwe flue-cured tobacco extract as the base material for increasing the natural tobacco fragrance of flue-cured tobacco.
The selection of the particular amounts of the individual components depends on the fragrance note and the effect to be achieved.
After the style transforming agent is blended, the tobacco leaves are treated according to the following process treatment method, as shown in figure 1:
a) soaking and extracting the aired tobacco leaves by using an aqueous solution to remove a part of substances contained in the aired tobacco leaves; the method comprises the steps of bagging the tobacco leaves, soaking the tobacco leaves in soft water, continuously stirring the tobacco leaves until substances contained in the tobacco leaves are separated out, and then centrifugally dewatering the tobacco leaves;
b) soaking the centrifugally dehydrated tobacco leaves in a spice module C, adding soft water for dilution, wherein the mass ratio of the tobacco leaves to the spice module C to the soft water is 10:1:50, soaking for 5-10 minutes, and then centrifugally dehydrating;
c) then soaking the tobacco leaves after centrifugal dehydration in a spice module B, adding soft water for dilution, wherein the mass ratio of the tobacco leaves to the spice module B to the soft water is 10:1:50, soaking for 5-10 minutes, then performing centrifugal dehydration, and then drying the tobacco leaves to 12% -14% of moisture by using hot air;
d) applying the flavor module A according to the mass ratio of the tobacco leaves to the flavor module A of 10:1 by using a spraying method;
alternative methods of a) -d) are: the tobacco leaf cleaning, drying, feeding and drying are all completed by using a cleaning and drying machine; the procedure is set as that soft water is used for cleaning the tobacco leaves for 8 minutes for the first time, the tobacco leaves are dried for 5 minutes, the spice module C and the soft water are added according to the mass ratio of the tobacco leaves to the spice module C to the soft water of 10:1:50 after dehydration, and the tobacco leaves are rolled and soaked for 5 minutes and then are centrifugally dehydrated; after dehydration, adding the spice module B and soft water according to the mass ratio of the tobacco leaves to the spice module B to the soft water of 10:1:50, rolling and soaking for 5 minutes, and then centrifugally dehydrating: and then starting a drying program of the cleaning and drying machine, drying the tobacco leaves to 12-14% of moisture by using hot air at 90-100 ℃, taking out the tobacco leaves and uniformly applying the spice module A by using a spraying method according to the mass ratio of the tobacco leaves to the spice module A of 10: 1.
e) And (3) placing the processed tobacco leaves in a fermentation room, and fermenting for 15-20 days at the temperature of 25-30 ℃ and the relative humidity of 55-65% to obtain the transformed tobacco leaves.
The sensory evaluation results of the tobacco leaves blended and fermented by the style conversion agent are shown in the following
Sample numbering Fragrance Flue gas Taste of the product
Before treatment 5 5 5
After treatment 6.8 7.2 8.1
After sensory evaluation, smoke panel evaluation shows that the air-cured tobacco leaves treated by the method have large changes in aroma style, almost have no air-cured smoke, are fragrant and sweet to become mainstream, have reduced smoke concentration and irritation, and are mellow and sweet in taste and clean in aftertaste.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition. In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (1)

1. The air-cured tobacco style conversion method is characterized by comprising the following steps:
step one, selecting and blending the fragrance substances required by the style conversion agent;
the blending method comprises the following steps: dividing various spices into 3 spice modules of dotted spice, main spice and basic spice according to functions; the method specifically comprises the following steps: the formula of the dotted perfume, which is marked as a perfume module A, is 0.2-0.5% of sweet orange oil, 0.1-0.3% of lemon oil, 0.2-0.5% of ethyl butyrate, 0.1-0.3% of isoamyl acetate, 0.1-0.3% of ethyl caprylate, 0.2-0.6% of coriander seed oil, 0.1-0.4% of nutmeg oil, 0.2-0.4% of ethyl furoate, 0.2-0.4% of ethyl acetate, 0.3-0.6% of lavender oil, 0.3-0.6% of violet leaf extract, 2-5% of tree moss extract, 0.5-1.5% of menthol, 0.5-2% of ethyl maltol and 1-2% of beta-damascone, and is diluted to 100% by using 75% ethanol; a main body type spice, which is called a spice module B and comprises 0.2 to 0.6 percent of jujube tincture, 1 to 2 percent of tripotassium glycyrrhizinate, 1 to 2 percent of licorice extract, 2 to 4 percent of stevioside, 0 to 5 percent of propylene glycol, 1 to 5 percent of glycerol, 1 to 2 percent of fenugreek tincture, 0.5 to 1.5 percent of radix angelicae pubescentis tincture, 0.5 to 1.5 percent of chicory extract, 0.5 to 1.5 percent of iris tectorum extract, 0.5 to 1 percent of cacao tincture, 1 to 2 percent of ethyl vanillin, 1 to 2 percent of dihydrocoumarin, 0.5 to 1 percent of peru extract, 2 to 5 percent of maple extract, 2 to 5 percent of geranium oil, 0.5 to 1 percent of sandalwood oil, 0.5 to 1 percent of patchouli oil and 0.5 to 1 percent of guaiacol, and is diluted to 100 percent by using 75 percent of ethanol; a basic type spice, which is marked as spice module C, the formula of which is 5-15 percent of virginia flue-cured tobacco extract and 4-8 percent of Zimbabwe flue-cured tobacco extract, and the basic type spice is diluted to 100 percent by using soft water;
in the first step, each module spice is specifically as follows:
1) selecting spices with fruit aroma to add fruit sweet flavor, wherein the spices with fruit aroma are as follows: sweet orange oil or lemon oil or ethyl butyrate or isoamyl acetate or ethyl octanoate;
2) selecting a spicy note spice to endow the spicy note with a spicy smell and cover up the miscellaneous smell, wherein the spicy note spice is as follows: coriander seed oil or nutmeg oil;
3) selecting furoic acid ethyl ester and ethyl acetate to slightly increase fragrance of the alcoholic fermentation sample;
4) selecting lavender oil, violet leaf extract, tree moss extract and menthol which can add faint scent;
5) selecting ethyl maltol and beta-damascone as synergists;
6) selecting jujube tincture, tripotassium glycyrrhizinate, licorice extract, stevioside, propylene glycol and glycerin as a sweetener and a humectant;
7) selecting fenugreek tincture, radix angelicae pubescentis tincture, chicory extract and iris extract as essence materials for inhibiting foreign flavor and modifying fragrance;
8) selecting high-temperature stable cacao tincture, vanillin, dihydrocoumarin, peru extract, maple extract, geranium oil, sandalwood oil, patchouli oil and guaiacol perfume as essence with stable fragrance;
9) selecting a Virginia flue-cured tobacco extract and a Zimbabwe flue-cured tobacco extract as bottom materials for increasing the natural tobacco fragrance of flue-cured tobacco;
step two, a process treatment method;
a) soaking and extracting the aired tobacco leaves by using an aqueous solution to remove a part of substances contained in the aired tobacco leaves; the method comprises the steps of bagging the tobacco leaves, soaking the tobacco leaves in soft water, continuously stirring the tobacco leaves until substances contained in the tobacco leaves are separated out, and then centrifugally dewatering the tobacco leaves;
b) soaking the centrifugally dehydrated tobacco leaves in a spice module C, and adding soft water for dilution, wherein the mass ratio of the tobacco leaves is as follows: and (3) a perfume module C: soaking soft water at a ratio of 10:1:50 for 5-10 min, and centrifuging to dewater;
c) then soaking the centrifugally dehydrated tobacco leaves in a spice module B, and adding soft water for dilution, wherein the mass ratio of the tobacco leaves is as follows: and (3) a perfume module B: soaking soft water at a ratio of 10:1:50 for 5-10 minutes, centrifuging and dehydrating, and drying tobacco leaves to 12-14% of moisture by using hot air;
d) using a spraying method according to the following steps of: applying flavor module a at a 10:1 mass ratio;
e) placing the processed tobacco leaves in a fermentation room, and fermenting for 15-20 days at 25-30 ℃ and 55-65% relative humidity to obtain the transformed tobacco leaves;
or in the second step, the alternative methods of a) to d) are as follows: the tobacco leaf cleaning, drying, feeding and drying are all completed by using a cleaning and drying machine; the procedure is set as the first time of using soft water to clean the tobacco leaves for 8 minutes, spin-drying for 5 minutes, and after dehydration, according to the tobacco leaves: and (3) a perfume module C: adding the spice module C and soft water according to the mass ratio of the soft water to the soft water of 10:1:50, rolling and soaking for 5 minutes, and then centrifugally dewatering; dehydrating and then processing according to the following steps of: and (3) a perfume module B: adding the spice module B and soft water according to the mass ratio of the soft water to the soft water of 10:1:50, rolling and soaking for 5 minutes, and then centrifugally dewatering; and then starting a drying program of the cleaning and drying machine, drying the tobacco leaves to 12-14% of moisture by using hot air at 90-100 ℃, taking out, and then using a spraying method to perform the following steps: fragrance module a was uniformly applied at a mass ratio of 10: 1.
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CN111436639A (en) * 2020-04-03 2020-07-24 四川中烟工业有限责任公司 Method for reducing tobacco content
CN111567853B (en) * 2020-05-13 2022-06-21 四川中烟工业有限责任公司 Method for fermenting cigar tobacco leaves by using sun-cured tobacco stem leaching solution
CN114223933B (en) * 2022-02-11 2022-11-04 云南中烟工业有限责任公司 Method for preparing tobacco by co-fermenting white spirit and Pu' er tea characteristic extracts

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