CN111165861A - Tobacco leaf stacking and covering fermentation method - Google Patents
Tobacco leaf stacking and covering fermentation method Download PDFInfo
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- CN111165861A CN111165861A CN202010027750.3A CN202010027750A CN111165861A CN 111165861 A CN111165861 A CN 111165861A CN 202010027750 A CN202010027750 A CN 202010027750A CN 111165861 A CN111165861 A CN 111165861A
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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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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/20—Biochemical treatment
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Abstract
The invention discloses a tobacco leaf stacking and fermenting method, which comprises the following steps: (1) preparing rice paste water containing a mildew preventive, and then thoroughly and uniformly soaking or spraying the rice paste water into the fixed-color and air-dried tobacco leaves; (2) the tobacco leaves are stacked in layers on a double-layer plastic film paved with an organic fertilizer A; (3) after the tobacco leaves are placed, covering an organic fertilizer B containing a decay accelerating agent and an expanding agent on the upper surface of the tobacco leaves, and wrapping and sealing the tobacco leaves by adopting two layers of plastic films; (4) and (3) taking the fully fermented tobacco leaves out, airing for 2-3 days, stacking, fermenting the tobacco leaves again according to the steps (1) - (3), and airing the tobacco leaves until the water content is 20% after the color of the tobacco leaves becomes reddish brown. The method has the advantages that the bitter taste of the tobacco leaves caused by the temperature rise fermentation of the fresh artemisia scoparia is removed, the tobacco leaves with excellent color, flavor and quality are obtained, and the quality of the tobacco leaves is improved while the large-scale production is realized.
Description
Technical Field
The invention belongs to the technical field of tobacco leaf modulation, and particularly relates to a tobacco leaf stacking and fermenting method.
Background
The tobacco leaf fermentation is an important link in the tobacco leaf modulation processing, and the good fermentation process can improve the tobacco leaf quality, increase the fragrance, improve the smoking quality, shorten the fermentation period, reduce the dependence on natural climate factors and improve the controllability of the fermentation process to the maximum extent.
The traditional fermentation modulation method of Chinese sun-cured tobacco comprises dry sealing fermentation, wet sealing fermentation, semi-dry semi-wet fermentation and the like, wherein the dry sealing fermentation method is mainly adopted in places such as Guangdong, Guangxi, Hubei, Hunan and the like, the semi-dry semi-wet fermentation in places such as Sichuan, Yunnan and Guizhou is mainly adopted, and the wet sealing fermentation method (firstly soaking or spraying with water, and then paving with green plants such as fresh wormwood, Xiangsu and the like) is adopted in documents (the tenth chapter of Yunnan sun-cured tobacco cultivation science; Yunnan and the like), but the above methods are basically carried out under natural photo-thermal conditions, depend on local geographical climate conditions and are limited by natural conditions, particularly after 10 months and before 6 months of the next year, the temperature and humidity are greatly reduced compared with those of 7, 8 and 9 months, plants such as fresh wormwood, Xiangsu and the like wither, so that the temperature cannot rise to the degree of full fermentation of tobacco leaves in the stacking fermentation process, the problems of green leaves, mixed colors, pesticide residues and the like of the tobacco leaves cannot be solved, and the common reaction of smokers who smoke soil tobacco among people is that the fermented tobacco leaves are covered by fresh artemisia which has bitter taste when being smoked.
Disclosure of Invention
In order to solve the problems that the tobacco leaf fermentation effect is poor and the tobacco leaf after fermentation has bitter taste when being smoked in the prior art, the invention provides a tobacco leaf stacking and fermenting method. The method aims to overcome the dependence on natural conditions such as geography, climate and the like in the stacking and covering fermentation process in the prior art, remove the bitter taste of the tobacco leaves caused by the temperature rise fermentation of the fresh tarragon, obtain the tobacco leaves with excellent color, flavor and quality, and improve the quality of the tobacco leaves while realizing large-scale production.
In order to achieve the purpose, the invention provides the following technical scheme: the invention provides a tobacco leaf stacking and fermenting method, which comprises the following steps:
(1) preparing rice paste water containing a mildew preventive, and then thoroughly and uniformly soaking or spraying the rice paste water on fixed-color air-dried tobacco leaves to ensure that the liquid content in the tobacco leaves is between 55 and 60 percent, wherein the mildew preventive is 0.001 percent by mass in the rice paste water and is a food-grade preservative dehydroacetic acid;
(2) the tobacco leaves are stacked on a double-layer plastic film paved with an organic fertilizer A in a layered mode, when the tobacco leaves are placed, the tobacco leaves are formed into a strip stack type or a round stack type, the organic fertilizer A comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of the components is 5-8: 2-5: 2-3: 0.02-0.12, wherein the mass ratio of the corn stalks, the cow dung and the oil cake is dry weight;
(3) after the tobacco leaves are placed, covering an organic fertilizer B containing a corrosion promoting agent and an expanding agent on the upper surface of the tobacco leaves, wrapping the tobacco leaves and the organic fertilizer B with two layers of plastic films, sealing, and carrying out aerobic fermentation, wherein the organic fertilizer B comprises corn stalks, cow dung, oil cakes and urea, and the mass ratio of the components is 5-8: 2-5: 2-3: 0.02-0.12 percent of preservative in the organic fertilizer B, and 0.1 percent of expanding agent in the organic fertilizer B, wherein the mass ratio of the components is the dry weight of the corn stalks, the cow dung and the oil cakes;
(4) and (3) taking the fully fermented tobacco leaves out, airing for 2-3 days, stacking, fermenting the tobacco leaves again according to the steps (1) - (3), and airing the tobacco leaves until the water content is 20% after the color of the tobacco leaves becomes reddish brown.
The method for preparing the soil tobacco by stacking, covering and fermenting the organic fertilizer is carried out by utilizing the principle and the technology of organic fertilizer fermentation, the material change in the organic fertilizer fermentation process is very complicated, but the material mineralization process and the humification process are mainly caused by microorganism activity. In the initial fermentation stage, the mineralization process is dominant; in the later stage, the humification process is dominant, and the two processes are converted with each other. In the whole process, the temperature generally changes in 4 stages, namely a heating period, a high-temperature period, a cooling period and a constant-temperature period. The temperature of the pile can reach more than 45 ℃ in 1-2 days, the temperature of the pile can reach more than 55 ℃ in 3-4 days, the temperature of the pile can reach more than 60 ℃ at most in 5-6 days, and the temperature is reduced in 18-30 days and then tends to be stable.
And the rice paste water is matched for use, so that the tobacco leaves can be further fermented, green miscellaneous gas is removed and reduced, the fragrance is improved, the spicy taste is reduced, the color is red and bright, and the tobacco leaves can be stored for a long time.
Further, the thickness of the organic fertilizer A laid in the step (2) is at least 30 cm.
Further, the tobacco leaves in the step (2) are stacked, the tobacco leaves are pressed, the tips of the tobacco leaves are basically aligned with the roots of the tobacco leaves, the tobacco bundles are arranged on two sides, and the stacking height is 1.2-1.8 m.
Further, when the tobacco leaves are stacked into a strip stack type in the step (2), the weight of the strip stack type stacked dry tobacco leaves is less than 500 kilograms, and the weight of a large amount of the dry tobacco leaves is 800-1200 kilograms.
Further, the weight of the dry tobacco leaves piled in the round piles in the step (2) is below 300 kilograms.
Further, the covering thickness of the organic fertilizer B in the step (3) is at least 30 cm, and the water content in the organic fertilizer B is controlled to be 55-65%.
Further, the fermentation time in the step (3) is 3-6 days.
Further, the preparation method of the rice-paste water in the step (1) comprises the following steps: (11) putting rice into an iron pan, frying for about 15 minutes, frying 5-6 kg of rice for every 50 kg of dry tobacco leaves by using medium fire until the rice turns yellow, then frying by using big fire until the rice is fried into black dough, and then frying by using the medium fire until the rice is fried into black dough, wherein the rice core is slightly black and is not completely black when being pinched by hands; (12) stir-frying the cooked rice, turning into a hot water pot, boiling 5 kg of rice with 15 kg of water for 8-15 minutes, filtering and cooling after the rice is boiled to dark brown, and testing the concentration of the boiled rice water to be 8-10 by using a baume hydrometer; (23) cooling the rice paste water to 10-40 ℃.
By adopting the technical scheme, the invention has the following beneficial effects: the method overcomes the dependence on natural conditions such as geography, climate and the like in the stacking and covering fermentation process, removes the bitter taste of tobacco leaves caused by spreading fresh artemisia scoparia and heating fermentation, obtains the tobacco leaves with excellent color, flavor and quality, and protects the quality of sun-cured tobacco in large-scale planting, production, processing and modulation.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention. The experimental methods without specifying specific conditions in the following examples were selected according to the conventional methods and conditions, or according to the commercial instructions. The starting materials or reagents used are all commercially available.
The first embodiment is as follows: the invention provides a tobacco leaf stacking and fermenting method, which comprises the following steps:
(1) preparing rice paste water containing a mildew preventive, and then thoroughly and uniformly soaking or spraying the rice paste water into fixed-color and aired dry tobacco leaves, wherein the tobacco leaves can be bound by a belt rope, so that the tobacco leaves are conveniently and subsequently bound and stacked for covering, the liquid content in the tobacco leaves is between 55 and 60 percent, the mass percentage of the mildew preventive in the rice paste water is 0.001 percent, and the mildew preventive is food-grade preservative dehydroacetic acid;
(2) the tobacco leaves are stacked in layers on a double-layer plastic film paved with an organic fertilizer A, when the tobacco leaves are placed, the tobacco leaves are formed into a strip stack shape, the organic fertilizer A comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of the components is 5: 5: 2: 0.02, wherein the mass ratio of the corn stalks, the cow dung and the oil cake is dry weight;
(3) after the tobacco leaves are placed, covering an organic fertilizer B containing a corrosion promoting agent and an expanding agent on the upper surface of the tobacco leaves to wrap the tobacco leaves and the organic fertilizer B with two layers of plastic films, sealing, and performing aerobic fermentation, wherein the organic fertilizer B comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of each component is 5: 5: 2: 0.02 percent, wherein the mass percent of the decay promoting agent in the organic fertilizer B is 2 percent, the mass percent of the expanding agent in the organic fertilizer B is 0.1 percent, and the mass ratio of the components is dry weight of the cornstalks, the cow dung and the oil cake; in the aerobic fermentation process, a BRET-O500-P digital display oxygen concentration detector is adopted, the prior art method is adopted, the central temperature and the oxygen concentration of the stack are measured, and natural fermentation is carried out without additional auxiliary heating or cooling assistance.
(4) And (3) taking the fully fermented tobacco leaves out, airing for 2 days, stacking, fermenting the tobacco leaves again according to the steps (1) to (3), and airing the tobacco leaves until the water content is 20% after the color of the tobacco leaves is reddish brown after stacking, fermenting and piling.
Further, the thickness of the organic fertilizer A laid in the step (2) is at least 30 cm.
Further, the tobacco leaves in the step (2) are pressed when stacked, the tips of the tobacco leaves are basically aligned with the roots of the tobacco leaves, the tobacco bundles are arranged on two sides, and the stacking height is 1.2 m.
Further, when the tobacco leaves are piled into a strip pile type in the step (2), the weight of the dry tobacco leaves piled in the strip pile type is less than 500 kilograms.
Further, the covering thickness of the organic fertilizer B in the step (3) is at least 30 cm, and the water content in the organic fertilizer B is controlled to be 55-65%.
Further, in the step (3), the fermentation is performed for 3 days in the 7 th, 8 th and 9 th last ten days when the outside air temperature is high.
Further, the preparation method of the rice-paste water in the step (1) comprises the following steps: (11) putting rice into an iron pan, frying for about 15 minutes, frying 5 kg of rice for every 50 kg of dry tobacco leaves with medium fire until the rice turns yellow, then frying with strong fire until the rice is fried into black dough, and then frying with medium fire until the rice is fried into black dough, wherein the rice core is slightly black and is not completely black when being pinched by hands; (12) stir-frying the cooked rice, turning into a hot water pot, boiling 5 kg of rice with 15 kg of water for 8 minutes, filtering and cooling after the rice is boiled to dark brown, and testing the concentration of the boiled rice water to be 8-10 by using a baume densimeter; (23) cooling the rice paste water to 10 ℃ in summer.
Example two: the invention provides a tobacco leaf stacking and fermenting method, which comprises the following steps:
(1) preparing rice paste water containing a mildew preventive, and then thoroughly and uniformly soaking or spraying the rice paste water on fixed-color air-dried tobacco leaves to ensure that the liquid content in the tobacco leaves is between 55 and 60 percent, wherein the mildew preventive is 0.001 percent by mass in the rice paste water and is a food-grade preservative dehydroacetic acid;
(2) the tobacco leaves are stacked in layers on a double-layer plastic film paved with an organic fertilizer A, when the tobacco leaves are placed, the tobacco leaves are formed into a strip stack shape, the organic fertilizer A comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of the components is 8: 2: 3: 0.12, wherein the mass ratio of the corn stalks, the cow dung and the oil cake is dry weight;
(3) after the tobacco leaves are placed, covering an organic fertilizer B containing a decay accelerating agent and an expanding agent on the upper surface of the tobacco leaves to wrap the tobacco leaves and the organic fertilizer B with two layers of plastic films, sealing, and carrying out aerobic fermentation, wherein the organic fertilizer B comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of each component is 8: 2: 3: 0.12 percent of the corrosion inhibitor in the organic fertilizer B by mass and 0.1 percent of the swelling agent in the organic fertilizer B by mass, wherein the mass ratio of the corn stalks, the cow dung and the oil cake is dry weight; in the aerobic fermentation process, a BRET-O500-P digital display oxygen concentration detector is adopted, the prior art method is adopted, the central temperature and the oxygen concentration of the stack are measured, and natural fermentation is carried out without additional auxiliary heating or cooling assistance.
(4) And (3) taking the fully fermented tobacco leaves out, airing for 2 days, stacking, fermenting the tobacco leaves again according to the steps (1) to (3), and airing the tobacco leaves until the water content is 20% after the color of the tobacco leaves is reddish brown after stacking, fermenting and piling.
Further, the thickness of the organic fertilizer A laid in the step (2) is at least 30 cm.
Further, the tobacco leaves in the step (2) are pressed when stacked, the tips of the tobacco leaves are basically aligned with the roots of the tobacco leaves, the tobacco bundles are arranged on two sides, and the stacking height is 1.8 m.
Further, when the tobacco leaves are piled into a strip pile type in the step (2), a large amount of dry tobacco leaves are piled and covered in the strip pile type, wherein the weight of the dry tobacco leaves is 800 kilograms.
Further, the covering thickness of the organic fertilizer B in the step (3) is at least 30 cm, and the water content in the organic fertilizer B is controlled to be 55-65%.
Further, in the step (3), fermentation is carried out for 6 days from 11 last ten days to 3 months in the next year.
Further, the preparation method of the rice-paste water in the step (1) comprises the following steps: (11) putting rice into an iron pan, frying for about 15 minutes, frying 6 kg of rice for every 50 kg of dry tobacco leaves with medium fire until the rice turns yellow, then frying with strong fire until the rice is fried into black dough, and then frying with medium fire until the rice is fried into black dough, wherein the rice core is slightly black and is not completely black when being pinched by hands; (12) stir-frying the cooked rice, turning into a hot water pot, boiling 5 kg of rice with 15 kg of water for 15 minutes, filtering and cooling after the rice is boiled to dark brown, and testing the concentration of the boiled rice water to be 8-10 by using a baume densimeter; (23) cooling the rice paste water to 40 ℃ in winter.
Example three: the invention provides a tobacco leaf stacking and fermenting method, which comprises the following steps:
(1) preparing rice paste water containing a mildew preventive, and then thoroughly and uniformly soaking or spraying the rice paste water on fixed-color air-dried tobacco leaves to ensure that the liquid content in the tobacco leaves is between 55 and 60 percent, wherein the mildew preventive is 0.001 percent by mass in the rice paste water and is a food-grade preservative dehydroacetic acid;
(2) the tobacco leaves are stacked in layers on a double-layer plastic film paved with an organic fertilizer A, when the tobacco leaves are placed, the tobacco leaves are formed into a strip stack shape, the organic fertilizer A comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of the components is 6: 4: 3: 0.053, wherein the mass ratio of the corn stalks, the cow dung and the oil cake is dry weight;
(3) covering an organic fertilizer B containing a decay accelerating agent and an expanding agent on the upper surface of the tobacco leaves after the tobacco leaves are placed, wrapping the tobacco leaves and the organic fertilizer B by two layers of plastic films, sealing, and carrying out aerobic fermentation, wherein the organic fertilizer B comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of each component is 6: 4: 3: 0.053, wherein the mass percent of the corrosion inhibitor in the organic fertilizer B is 2%, the mass percent of the swelling agent in the organic fertilizer B is 0.1%, and the mass ratio of the components is dry weight of the corn stalks, the cow dung and the oil cake;
(4) and (3) taking the fully fermented tobacco leaves out, airing for 3 days, stacking, covering and fermenting the tobacco leaves again according to the steps (1) to (3), and airing the tobacco leaves until the water content is 20% after the color of the tobacco leaves is reddish brown.
Further, the thickness of the organic fertilizer A laid in the step (2) is at least 30 cm.
Further, the tobacco leaves in the step (2) are stacked, the tobacco leaves are pressed, the tips of the tobacco leaves are basically aligned with the roots of the tobacco leaves, the tobacco bundles are arranged on two sides, and the stacking height is 1.5 m.
Further, when the tobacco leaves are piled into a strip pile type in the step (2), a large amount of dry tobacco leaves are piled and covered in the strip pile type, wherein the weight of the dry tobacco leaves is 1200 kilograms.
Further, the covering thickness of the organic fertilizer B in the step (3) is at least 30 cm, and the water content in the organic fertilizer B is controlled to be 55-65%.
Further, in the step (3), aerobic high-temperature fermentation of the organic fertilizer B is carried out when the oxygen concentration in the center of the fermentation pile is 10% -15%.
Further, in the middle and last ten days of 9 months and 10 months in the step (3), fermenting for 4 days;
further, the preparation method of the rice-paste water in the step (1) comprises the following steps: (11) putting rice into an iron pan, frying for about 15 minutes, frying 5 kg of rice for every 50 kg of dry tobacco leaves with medium fire until the rice turns yellow, then frying with strong fire until the rice is fried into black dough, and then frying with medium fire until the rice is fried into black dough, wherein the rice core is slightly black and is not completely black when being pinched by hands; (12) stir-frying the cooked rice, turning into a hot water pot, boiling 5 kg of rice in 15 kg of water for 13 minutes, filtering and cooling after the rice is boiled to dark brown, and testing the concentration of the boiled rice water to be 8-10 by using a baume densimeter; (23) the rice paste water is cooled to 30 ℃.
Example four: the invention provides a tobacco leaf stacking and fermenting method, which comprises the following steps:
(1) preparing rice paste water containing a mildew preventive, and then thoroughly and uniformly soaking or spraying the rice paste water on fixed-color air-dried tobacco leaves to ensure that the liquid content in the tobacco leaves is between 55 and 60 percent, wherein the mildew preventive is 0.001 percent by mass in the rice paste water and is a food-grade preservative dehydroacetic acid;
(2) the tobacco leaves are stacked in layers on a double-layer plastic film paved with an organic fertilizer A, when the tobacco leaves are placed, the tobacco leaves are in a round stack shape, the organic fertilizer A comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of the components is 7: 3: 2: 0.087, wherein the mass ratio of the corn stalks, the cow dung and the oil cake is dry weight;
(3) after the tobacco leaves are placed, covering an organic fertilizer B containing a corrosion promoting agent and an expanding agent on the upper surface of the tobacco leaves to wrap the tobacco leaves and the organic fertilizer B with two layers of plastic films, sealing, and performing aerobic fermentation, wherein the organic fertilizer B comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of each component is 7: 3: 2: 0.087, the mass percent of the corrosion inhibitor in the organic fertilizer B is 2 percent, the mass percent of the expanding agent in the organic fertilizer B is 0.1 percent, and the mass ratio of the components is dry weight of the corn stalks, the cow dung and the oil cake;
(4) and (3) taking the fully fermented tobacco leaves out, airing for 3 days, stacking, covering and fermenting the tobacco leaves again according to the steps (1) to (3), and airing the tobacco leaves until the water content is 20% after the color of the tobacco leaves is reddish brown.
Further, the thickness of the organic fertilizer A laid in the step (2) is at least 30 cm.
Further, the tobacco leaves in the step (2) are stacked, the tobacco leaves are pressed, the tips of the tobacco leaves are basically aligned with the roots of the tobacco leaves, the tobacco bundles are arranged on two sides, and the stacking height is 1.5 m.
Further, when the tobacco leaves are stacked into a circular stack shape in the step (2), the weight of the circular stack type stacked dry tobacco leaves is below 300 kilograms.
Further, the covering thickness of the organic fertilizer B in the step (3) is at least 30 cm, and the water content in the organic fertilizer B is controlled to be 55-65%.
Further, in the step (3), the fermentation is carried out for 4.5 days in the middle and last ten days of 10 months. Fermentation time is related to natural temperature, for example 5 days in the last 11 months; 11, fermenting for 5.5 days, 4 months and 5 days in the middle of the month; fermenting for 4 days for 5 months; fermenting for 3.5 days for 6 months.
Further, the preparation method of the rice-paste water in the step (1) comprises the following steps: (11) putting rice into an iron pan, frying for about 15 minutes, frying 5 kg of rice for every 50 kg of dry tobacco leaves with medium fire until the rice turns yellow, then frying with strong fire until the rice is fried into black dough, and then frying with medium fire until the rice is fried into black dough, wherein the rice core is slightly black and is not completely black when being pinched by hands; (12) stir-frying the cooked rice, turning into a hot water pot, boiling 5 kg of rice in 15 kg of water for 13 minutes, filtering and cooling after the rice is boiled to dark brown, and testing the concentration of the boiled rice water to be 8-10 by using a baume densimeter; (23) the rice paste water is cooled to 20 ℃.
The following test data in the department are used for illustrating the beneficial effects obtained by fermentation by the method of the invention:
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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.
Claims (8)
1. A tobacco leaf stacking and fermenting method is characterized by comprising the following steps:
(1) preparing rice paste water containing a mildew preventive, and then thoroughly and uniformly soaking or spraying the rice paste water on fixed-color air-dried tobacco leaves to ensure that the liquid content in the tobacco leaves is between 55 and 60 percent, wherein the mildew preventive is 0.001 percent by mass in the rice paste water and is a food-grade preservative dehydroacetic acid;
(2) the tobacco leaves are stacked on a double-layer plastic film paved with an organic fertilizer A in a layered mode, when the tobacco leaves are placed, the tobacco leaves are formed into a strip stack type or a round stack type, the organic fertilizer A comprises corn stalks, cow dung, oil cake and urea, and the mass ratio of the components is 5-8: 2-5: 2-3: 0.02-0.12, wherein the mass ratio of the corn stalks, the cow dung and the oil cake is dry weight;
(3) after the tobacco leaves are placed, covering an organic fertilizer B containing a corrosion promoting agent and an expanding agent on the upper surface of the tobacco leaves, wrapping the tobacco leaves and the organic fertilizer B with two layers of plastic films, sealing, and carrying out aerobic fermentation, wherein the organic fertilizer B comprises corn stalks, cow dung, oil cakes and urea, and the mass ratio of the components is 5-8: 2-5: 2-3: 0.02-0.12 percent of preservative in the organic fertilizer B, and 0.1 percent of expanding agent in the organic fertilizer B, wherein the mass ratio of the components is the dry weight of the corn stalks, the cow dung and the oil cakes;
(4) and (3) taking the fully fermented tobacco leaves out, airing for 2-3 days, stacking, fermenting the tobacco leaves again according to the steps (1) - (3), and airing the tobacco leaves until the water content is 20% after the color of the tobacco leaves becomes reddish brown.
2. The method for stacking and fermenting tobacco leaves according to claim 1, wherein the organic fertilizer A is laid in the step (2) to a thickness of at least 30 cm.
3. The method of claim 1, wherein the leaves of step (2) are stacked with the tips substantially aligned with the roots of the leaves, and the stack is at a height of 1.2-1.8 m from side to side.
4. The tobacco stacking fermentation method according to claim 1, wherein when the tobacco leaves are stacked into a strip stack type in the step (2), the weight of the strip stack type stacked dry tobacco leaves is less than 500 kg in weight, and the weight of the strip stack type stacked dry tobacco leaves is 800-1200 kg in weight.
5. The method of claim 1, wherein the step (2) of stacking the dried tobacco leaves in a circular stack weighs less than 300 kg.
6. The tobacco stacking fermentation method according to claim 1, wherein the covering thickness of the organic fertilizer B in the step (3) is at least 30 cm, and the water content of the organic fertilizer B is controlled to be between 55% and 65%.
7. The method for stack fermentation of tobacco leaves according to claim 1, wherein the fermentation time in step (3) is 3-6 days.
8. The tobacco stack fermentation method according to claim 1, wherein the method for preparing the rice paste water in the step (1) comprises the following steps: (11) putting rice into an iron pan, frying for about 15 minutes, frying 5-6 kg of rice for every 50 kg of dry tobacco leaves by using medium fire until the rice turns yellow, then frying by using big fire until the rice is fried into black dough, and then frying by using the medium fire until the rice is fried into black dough, wherein the rice core is slightly black and is not completely black when being pinched by hands; (12) stir-frying the cooked rice, turning into a hot water pot, boiling 5 kg of rice with 15 kg of water for 8-15 minutes, filtering and cooling after the rice is boiled to dark brown, and testing the concentration of the boiled rice water to be 8-10 by using a baume hydrometer; (23) cooling the rice paste water to 10-40 ℃.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111955781A (en) * | 2020-07-20 | 2020-11-20 | 黄锐 | Intelligent control mildew-proof water immersion fermentation method for modulating drought tobacco |
| CN113951551A (en) * | 2020-07-20 | 2022-01-21 | 黄锐 | Mould-proof aroma-enhancing water immersion fermentation method for modulating drought tobacco |
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| CN102180726A (en) * | 2011-01-17 | 2011-09-14 | 郑冰 | Fermentation method and device for biomass microenvironment regulation |
| CN103864481A (en) * | 2013-12-20 | 2014-06-18 | 贵州省烟草科学研究院 | method for preparing microbial inoculum and in-situ decomposing method and structure by heaping whole corn stalks |
| CN107361399A (en) * | 2017-07-21 | 2017-11-21 | 安徽富村微量元素科技有限公司 | A kind of selenium-rich cigarette and preparation method thereof |
| CN109929778A (en) * | 2019-03-08 | 2019-06-25 | 湖北中烟工业有限责任公司 | A kind of efficient flavored type bacterial strain and its application in raising cigarette quality |
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| CN113951551A (en) * | 2020-07-20 | 2022-01-21 | 黄锐 | Mould-proof aroma-enhancing water immersion fermentation method for modulating drought tobacco |
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