CN115024506A - Method for treating moldy cigar tobacco leaves generated in fermentation - Google Patents
Method for treating moldy cigar tobacco leaves generated in fermentation Download PDFInfo
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- CN115024506A CN115024506A CN202210786863.0A CN202210786863A CN115024506A CN 115024506 A CN115024506 A CN 115024506A CN 202210786863 A CN202210786863 A CN 202210786863A CN 115024506 A CN115024506 A CN 115024506A
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The application discloses a method for treating moldy cigar tobacco leaves generated in fermentation, which comprises the following steps: step S10: collecting moldy tobacco leaves discovered during fermentation and turning; step S20: after the mildewed tobacco leaves are dried or the humidity of a dehumidifier is controlled to be wet until the water content of the tobacco leaves is 17-19%, uniformly spraying treatment feed liquid on the surface of each layer of tobacco leaves, stacking the sprayed tobacco leaves layer by layer, and then stacking and fermenting; the treatment feed liquid is as follows: the volume ratio of edible vinegar with the vinegar concentration of 2% to edible baking soda solution with the mass concentration of 2% is 1: 1, mixing to obtain the finished product; step S30: and stacking until fermentation is completed. The method can realize effective and reliable recycling of the moldy tobacco leaves. Can effectively reduce the waste proportion of tobacco leaves caused by mildewing and reduce the production cost.
Description
Technical Field
The application relates to the technical field of tobacco fermentation treatment, in particular to a method for treating moldy cigar tobacco leaves generated in fermentation.
Background
The main reason for mold breeding in the cigar tobacco fermentation process is that the tobacco leaves have excessive or uneven moisture during humidification and moisture regain, so that the moisture content of the tobacco leaves is too high, a single mold begins to propagate in large quantities under the appropriate temperature and humidity conditions after stacking, the microbial ecological balance on the surfaces of the tobacco leaves in the fermentation process is broken, and the mold breeding is mainly expressed that only a few tobacco leaves in one tobacco leaf have mold or the whole tobacco leaf has mold.
Secondly, the tobacco leaves are mildewed due to improper water management in the airing and stem-discharging storage processes, so that a large amount of mildew spores are remained on the tobacco leaves, and once the temperature and the humidity are proper in the subsequent fermentation process, the mildew spores can grow and propagate on the surfaces of the tobacco leaves.
And thirdly, the tobacco leaves are mildewed, which is the problem of the tobacco leaves, the upper tobacco leaves contain a large amount of nutrient substances for growth and reproduction of microorganisms, and the tobacco leaves on the upper portion are not uniform in humidification and moisture regain, so that the mildewing of the upper tobacco leaves is more serious than that of the lower portion and the middle portion.
In the prior art, the mildew-proof effect is achieved by spraying a mildew-proof additive before cigar fermentation, for example, CN201010102311.0 discloses a cigar mildew-proof additive, which comprises the following components in parts by weight: 50-100 parts of natamycin; 50-150 parts of a solubilizer; 0.1-2% of an antioxidant; 0.1-30% of surfactant. The mildew preventive has the advantages of stable and lasting mildew preventive effect, safety, environmental protection, simple operation and no influence on the processing technology of the cigars and the special quality and style of the cigars. However, the mildew-proof liquid contains strong mildewcide such as natamycin and the like, so that the content of antibiotics in tobacco leaves exceeds the standard, and the mildew-proof liquid can only be used for preventing the breeding of mildew and cannot realize the effective recycling treatment of mildewed tobacco leaves.
The method for treating the moldy tobacco leaves is lacked in the prior art, so that the moldy tobacco leaves can only be discarded and cannot be recycled, if the moldy tobacco leaves are directly recycled to be made into cigarettes, the made cigars show obvious moldy taste and cannot be normally smoked for use, a large amount of moldy tobacco leaves are wasted, particularly after the moldy area of the tobacco leaves reaches 50%, the moldy taste of the recycled tobacco leaves is more prominent, the tobacco leaves can only be discarded, the production cost is increased, and the raw material waste is increased.
Disclosure of Invention
The application provides a method for treating moldy cigar tobacco leaves generated in fermentation, which is used for solving the problems that moldy tobacco leaves in the fermentation process can not be recycled in the prior art, and the content of antibiotics in the tobacco leaves is easy to exceed the standard when a bactericide is sprayed; the moldy tobacco leaves are obviously moldy after being made into cigars, and particularly the moldy area on the surfaces of the tobacco leaves reaches 50 percent.
The application provides a method for treating moldy cigar tobacco leaves generated in fermentation, which comprises the following steps:
step S10: collecting moldy tobacco leaves discovered during fermentation and turning;
step S20: after the mildewed tobacco leaves are aired until the water content of the tobacco leaves is 17-19%, uniformly spraying treatment feed liquid on the surface of each layer of tobacco leaves, stacking the sprayed tobacco leaves layer by layer, and stacking and fermenting;
the treatment feed liquid is as follows: the volume ratio of edible vinegar with the vinegar concentration of 2% to edible baking soda solution with the mass concentration of 2% is 1: 1, mixing to obtain the finished product;
step S30: observing and recording the temperature change condition after stacking, and starting to turn over the stacks until the fermentation is finished after the central temperature of the tobacco stacks reaches 40-46 ℃;
the mildewed area on the mildewed tobacco leaves is less than or equal to 60 percent, and the mildewed area accounts for the area of the whole tobacco leaves.
By spraying the mixed solution of the edible vinegar and the baking soda with the sterilization effect under the water content, the growth of the mildew can be effectively inhibited by utilizing the low water content, and the balance of the microbial colony on the surface of the tobacco leaves is effectively improved by spraying the mixed solution of the edible vinegar and the baking soda, so that the effect of effectively recycling the moldy tobacco leaves is achieved.
After the mixed liquid of the edible vinegar and the baking soda is sprayed, antibiotics are not needed, other beneficial bacteria bred in the subsequent stacking fermentation process can be utilized to effectively decompose substances which generate toxin and musty smell to the mould, so that the recycled moldy tobacco leaves do not have obvious musty smell after being made into cigars, and the cigars meeting the national standard requirements are obtained.
After the collected moldy tobacco leaves are treated according to the method, the proportion of the tobacco leaves with completely disappeared molds can reach 60-70%, the condition of mold breeding on the surfaces of the tobacco leaves can be effectively improved, and the microbial balance on the surfaces of the tobacco leaves can be recovered. After the tobacco leaves fermented by the method are made into cigars according to the prior method, no obvious musty taste exists after sensory evaluation is carried out by professional smokers, and the sensory evaluation index of the cigars reaches the national standard requirement.
The concrete operation is carried out according to technical rules of agricultural accumulation and fermentation of Yunnan cigar tobacco leaves from the beginning of turning stacks in the fermentation method provided by the application.
Preferably, the mildewed area on the mildewed tobacco leaves is as follows: and under the condition of sufficient sunlight, visually observing the existence of an obvious heterochrosis layer on the surface of the tobacco leaves, and observing the area of the heterochrosis layer. The chromocor layer herein may be colored white, cyan or black.
Preferably, step S30: and when the temperature of the tobacco stack does not reach 45 ℃ and the temperature is reduced, the tobacco stack is turned over.
Preferably, after each tobacco leaf is sprayed in the step S20, the moisture content of the tobacco leaf is 20-30%. The fermentation is carried out according to the water content, the growth of probiotics can be promoted, and the effective sterilization and bacteriostasis effects of the treatment liquid are ensured.
Preferably, step S30: tobacco leaves which are treated by spraying the feed liquid are stacked in a plastic basket, temperature and humidity recorders are respectively placed at the 1/2 height and the 2/3 height of the center of the stack, and the center temperature is observed through the temperature and humidity recorders.
According to the stack, the temperature change in the stack can be conveniently observed, and the stack turning treatment can be timely carried out.
Preferably, before stacking, a layer of silver gray plastic cloth is padded on the inner bottom surface and the inner side wall of the plastic frame, and 1 layer of hemp is padded on the silver gray plastic cloth. By superposing the silver gray plastic cloth and the hemp sheet, the water resistance and the ventilation in the tobacco leaf stacking and fermenting process can be effectively realized.
Preferably, the plastic basket is covered with a silver gray plastic cloth on the top surface of the basket after it is fully stacked. Can effectively avoid the pollution of other impurities to the fermented tobacco leaves.
The beneficial effects that this application can produce include:
1) according to the method for treating the moldy cigar tobacco leaves generated in the fermentation, the moldy area disappears after the treatment by the method, the ratio of the tobacco leaves which are recovered to be normal to the moldy tobacco leaves is up to 60-70%, the processed tobacco leaves are made into cigars and have no moldy taste, and sensory evaluation results of the cigars meet the national standard requirements. The method can realize effective and reliable recycling of the moldy tobacco leaves. The waste proportion of tobacco leaves caused by mildew can be effectively reduced, and the production cost is reduced.
Drawings
FIG. 1 is a schematic flow diagram of a method for treating moldy cigar leaves produced in a fermentation process provided herein;
FIG. 2 is a photograph of treated tobacco leaves of example 2 provided in the present application;
FIG. 3 is a photograph of treated tobacco leaves of example 3 provided in the present application;
FIG. 4 is a photograph of treated tobacco leaves of comparative example 3 provided herein;
FIG. 5 is a photograph of treated tobacco leaves of comparative example 2 provided in the present application;
FIG. 6 is a photograph of treated tobacco leaves of comparative example 1 provided herein;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings of the embodiments of the present invention.
Referring to fig. 1, the method for treating moldy cigar tobacco leaves generated in fermentation provided by the present application comprises the following steps:
step S10: collecting moldy tobacco leaves discovered during fermentation and turning;
step S20: after the mildewed tobacco leaves are aired until the water content of the tobacco leaves is 17-19%, uniformly spraying treatment feed liquid on the surface of each layer of tobacco leaves, stacking the sprayed tobacco leaves layer by layer, and stacking for fermentation;
the treatment feed liquid is as follows: the volume ratio of edible vinegar with the vinegar concentration of 2% to edible baking soda solution with the mass concentration of 2% is 1: 1, mixing to obtain the product;
step S30: observing and recording the temperature change condition after stacking, and starting to turn over the stacks until the fermentation is finished after the central temperature of the tobacco stacks reaches 40-46 ℃;
the mildewed area on the mildewed tobacco leaves is less than or equal to 60 percent, and the mildewed area accounts for the area of the whole tobacco leaves.
Examples
Materials and equipment used in the following examples were obtained from commercial sources unless otherwise specified.
Examples 1 to 3
Step S10: collecting moldy tobacco leaves discovered during fermentation and turning; the mildewed area on the mildewed tobacco leaves is as follows:
and under the condition of sufficient sunlight, visually observing the existence of an obvious heterochrosis layer on the surface of the tobacco leaves, and observing the area of the heterochrosis layer. The chromocor layer can be white, cyan or black, and belongs to the mildew stains.
Step S20: after the mildewed tobacco leaves are aired until the water content of the tobacco leaves is 17-19%, uniformly spraying treatment feed liquid on the surface of each layer of tobacco leaves, stacking the sprayed tobacco leaves layer by layer, and stacking and fermenting; after each tobacco leaf is sprayed, the water content of the tobacco leaves is 20-30%.
The treatment feed liquid is as follows: the volume ratio of edible vinegar with the vinegar concentration of 2% to edible baking soda solution with the mass concentration of 2% is 1: 1, mixing to obtain the product;
step S30: observing and recording the temperature change condition after stacking, and starting to turn over the stack when the central temperature of the tobacco stack reaches 40-46 ℃; or when the temperature of the tobacco stack is not up to 45 ℃ and the temperature is reduced, the tobacco stack is turned over. Tobacco leaves which are treated by spraying the feed liquid are stacked in a plastic basket, temperature and humidity recorders are respectively placed at the 1/2 height and the 2/3 height of the center of the stack, and the center temperature is observed through the temperature and humidity recorders.
Before stacking, the plastic basket used for stacking is padded with a layer of silver gray plastic cloth on the inner bottom surface and the inner side wall of the plastic frame, and 1 layer of hemp is padded on the silver gray plastic cloth. After the plastic basket is fully piled, the top surface of the basket is sealed and covered by silver gray plastic cloth. Can effectively avoid the pollution of other impurities to the fermented tobacco leaves.
The mildewed area on the mildewed tobacco leaves is less than or equal to 60 percent, and the mildewed area accounts for the area of the whole tobacco leaves.
The process parameters for examples 1-3 are listed in Table 1:
TABLE 1
Comparative example 1
The difference from example 1 is that: the treated material liquid is 2% wine (70 degree) and 2% sodium bicarbonate solution.
Comparative example 2
The difference from example 1 is that: the treated material liquid is 2% wine (70 degree) and 2% vinegar solution.
Comparative example 3
The difference from example 1 is that: the treated feed liquid is distilled water.
Firstly, observing and detecting the processed tobacco leaves:
preparing mildewed cigar leaves, wherein the mildewed area does not exceed 60%, picking 350 pieces of mildewed tobacco leaves with uniform mildewed degree, and then respectively treating 50 pieces of mildewed tobacco leaves according to the treatment methods of the embodiments 1 to 3 and the comparative examples 1 to 4, wherein the tobacco leaf condition results after the fermentation of each treatment method are listed in table 2.
In table 2, the processed tobacco leaves, which have no mildew stains under the observation of the naked eyes under the natural light conditions and have a color similar to the color and appearance of the tobacco leaves obtained by conventional fermentation without any treatment, are defined as "normal tobacco leaves after treatment".
Under the same observation conditions, the tobacco leaves with mildew stains or color dissimilarity still existing on the surfaces of the treated tobacco leaves are defined as the 'number of mildew tobacco leaves after treatment'.
TABLE 2
| Numbering | Normal tobacco leaf (sheet) after treatment | Number of mildew tobacco after treatment (slice) | Percentage of mildew tobacco after treatment (%) | Treated Normal tobacco leaf percentage (%) |
| Example 1 | 31 | 19 | 38 | 62 |
| Example 2 | 35 | 15 | 30 | 70 |
| Example 3 | 33 | 17 | 34 | 66 |
| Comparative example 1 | 14 | 36 | 72 | 28 |
| Comparative example 2 | 14 | 36 | 72 | 28 |
| Comparative example 3 | 5 | 45 | 90 | 10 |
As can be seen from table 2, the percentage of the tobacco leaves satisfying the definition of "normal tobacco leaves after treatment" is greater than 60% after treatment by the treatment method provided by the present application, which indicates that the treatment method provided by the present application can realize effective reuse of moldy tobacco leaves, inhibit mold growth, and does not require antibiotic addition, the treated tobacco leaves satisfy various detection indexes, and the treated tobacco leaves are not significantly altered compared with normal fermented tobacco leaves, and can be normally reused.
The percentage of the tobacco leaves which are obtained by the treatment in the comparative examples 1-4 and meet the definition of the normal tobacco leaves after treatment is less than 30%, which indicates that the method cannot effectively inhibit the continued growth of the mold and the tobacco leaves cannot be normally recycled after the treatment liquid is replaced.
As shown in figures 2 and 3, the tobacco leaves treated by the treatment methods of the examples 1 and 2 provided by the application are shown in figures 2 and 3, and as can be seen from figures 2 and 3, the surface mould of the tobacco leaves treated by the treatment methods provided by the application has a good effect of basically eliminating mould without newly generated mould.
Comparative example 1 photographs of the treated tobacco leaves are shown in fig. 6, and the mold is not substantially disappeared, and a large amount of newly formed mold is present.
Comparative example 2 photographs of the treated tobacco leaves are shown in fig. 5, and the mold spots remain serious with a small amount of newly grown mold.
Comparative example 3 photographs of the treated tobacco leaves are shown in fig. 4, and the mold is not substantially disappeared, and a large amount of newly formed mold is present.
Second, sensory evaluation and detection of cigars made of processed tobacco leaves
The tobacco leaves satisfying the definition of "normal tobacco leaves after treatment" after treatment in examples 1 to 3 and comparative examples 1 to 3 were used according to "cigar part 3: after the product is made into cigars, the technical requirements of product packaging, rolling, storage and transportation (GB 15269.3-2011) stipulate that sensory evaluation is carried out according to the following formula of the No. 4 part of cigars: sensory technical requirements (GB15269) were carried out, and the scoring criteria for the other items were referred to the national standard, and the evaluation results are shown in Table 3.
Wherein the evaluation of the mildew taste is increased, the evaluation of the mildew taste is 2 points, the evaluation of the obvious mildew taste is 1 point, and the evaluation of the mildew taste is 5 points.
TABLE 3
As can be seen from Table 3, after the appearance of the cigar processed by the method provided by the application meets the standard of normal tobacco leaves, the smoking result of the manufactured cigar meets the requirement, and the cigar has no musty taste, and after the cigar is processed by the method, the cigar is manufactured into cigarettes, and the color, the fragrance, the miscellaneous gas, the irritation and the aftertaste of the cigarettes meet the national standard requirements in sensory evaluation. The method has the advantages that the tobacco leaves treated by the method can be normally recycled, the production cost can be effectively reduced, and the utilization rate of raw materials is improved.
After the tobacco leaves are treated by the methods in comparative examples 1-3, even if the appearance of the tobacco leaves does not show the mildew plaques, the tobacco leaves still have obvious musty smell during the trial smoking. The treatment method disclosed in the comparative example was demonstrated to fail to eliminate the musty smell of the treated tobacco leaves, resulting in failure to recycle the treated tobacco leaves normally. After the tobacco is made into cigarettes, the color, the fragrance, the miscellaneous gas, the irritation and the aftertaste of sensory evaluation can not meet the national standard requirements, which indicates that the treatment method in the comparative example can not realize the effective recycling of the moldy tobacco leaves.
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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A method for treating moldy cigar tobacco leaves generated in fermentation is characterized by comprising the following steps:
step S10: collecting moldy tobacco leaves discovered during fermentation and turning;
step S20: after the mildewed tobacco leaves are dried or the humidity of a dehumidifier is controlled to be wet until the water content of the tobacco leaves is 17-19%, uniformly spraying treatment feed liquid on the surface of each layer of tobacco leaves, stacking the sprayed tobacco leaves layer by layer, and then stacking and fermenting;
the treatment feed liquid is as follows: the volume ratio of edible vinegar with the vinegar concentration of 2% to edible baking soda solution with the mass concentration of 2% is 1: 1, mixing to obtain the product;
step S30: observing and recording the temperature change condition after stacking, and starting to turn over the stack until the fermentation is finished after the central temperature of the tobacco stack reaches 40-46 ℃;
the mildewed area on the mildewed tobacco leaves is less than or equal to 60 percent, and the mildewed area accounts for the area of the whole tobacco leaves.
2. The method for treating moldy cigar leaves produced in fermentation according to claim 1, wherein the moldy area on the moldy tobacco leaves is: and under the condition of sufficient sunlight, visually observing the existence of an obvious heterochrosis layer on the surface of the tobacco leaves, and observing the area of the heterochrosis layer.
3. The method for treating moldy cigar leaves produced in fermentation according to claim 1, wherein the step S30: and when the temperature of the tobacco stack is not up to 45 ℃ and the temperature is reduced, the tobacco stack is turned over.
4. The method for treating the moldy cigar leaves generated in the fermentation according to claim 1, wherein the moisture content of the tobacco leaves is 20-30% after the tobacco leaves are sprayed in the step S20.
5. The method for treating moldy cigar leaves produced in fermentation according to claim 1, wherein the step S30: tobacco leaves which are treated by spraying the feed liquid are stacked in a plastic basket, temperature and humidity recorders are respectively placed at the 1/2 height and the 2/3 height of the center of the stack, and the center temperature is observed through the temperature and humidity recorders.
6. The method for treating moldy cigar leaves produced in fermentation according to claim 5, wherein the step S30 further comprises: before stacking, a layer of silver gray plastic cloth is padded on the inner bottom surface and the inner side wall of the plastic frame, and 1 layer of hemp is padded on the silver gray plastic cloth.
7. The method for treating moldy cigar leaves produced in fermentation according to claim 5, wherein the step S30 further comprises: after the plastic basket is fully piled, the top surface of the basket is sealed and covered by silver gray plastic cloth.
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| GB137683A (en) * | 1919-03-24 | 1920-01-22 | Shigekichi Hagino | Improvements in or relating to the treatment of inferior tobacco |
| RU2099993C1 (en) * | 1996-03-20 | 1997-12-27 | Кубанский государственный технологический университет | Method for preventing mold formation on tobacco leaves |
| CN1240580A (en) * | 1998-06-27 | 2000-01-12 | 杨继红 | Antimildew agent for tobacco leaves, tobacco and cigarette |
| RU2153271C1 (en) * | 1999-05-06 | 2000-07-27 | Кубанский государственный технологический университет | Method of preventing mold formation of tobacco |
| RU2153823C1 (en) * | 1999-05-06 | 2000-08-10 | Всероссийский научно-исследовательский институт консервной и овощесушильной промышленности | Method of prophylaxis of tobacco mildewing |
| JP2003144123A (en) * | 2001-11-13 | 2003-05-20 | Nippon Peroxide Co Ltd | Method for preventing growth of mold on leaf tobacco and sterilizer used for prevention thereof |
| RU2226916C1 (en) * | 2002-10-11 | 2004-04-20 | Всероссийский научно-исследовательский институт биологической защиты растений | Method of preventing tobacco moldiness |
| US20130045299A1 (en) * | 2011-08-15 | 2013-02-21 | Paul Bright | Natural Mold Inhibitor and Methods of Using Same |
| CN104441163A (en) * | 2014-10-29 | 2015-03-25 | 安徽德润工艺品有限公司 | Preparation method of willow rattan mildewproof and anti-moth treatment liquor |
-
2022
- 2022-07-04 CN CN202210786863.0A patent/CN115024506B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB137683A (en) * | 1919-03-24 | 1920-01-22 | Shigekichi Hagino | Improvements in or relating to the treatment of inferior tobacco |
| RU2099993C1 (en) * | 1996-03-20 | 1997-12-27 | Кубанский государственный технологический университет | Method for preventing mold formation on tobacco leaves |
| CN1240580A (en) * | 1998-06-27 | 2000-01-12 | 杨继红 | Antimildew agent for tobacco leaves, tobacco and cigarette |
| RU2153271C1 (en) * | 1999-05-06 | 2000-07-27 | Кубанский государственный технологический университет | Method of preventing mold formation of tobacco |
| RU2153823C1 (en) * | 1999-05-06 | 2000-08-10 | Всероссийский научно-исследовательский институт консервной и овощесушильной промышленности | Method of prophylaxis of tobacco mildewing |
| JP2003144123A (en) * | 2001-11-13 | 2003-05-20 | Nippon Peroxide Co Ltd | Method for preventing growth of mold on leaf tobacco and sterilizer used for prevention thereof |
| RU2226916C1 (en) * | 2002-10-11 | 2004-04-20 | Всероссийский научно-исследовательский институт биологической защиты растений | Method of preventing tobacco moldiness |
| US20130045299A1 (en) * | 2011-08-15 | 2013-02-21 | Paul Bright | Natural Mold Inhibitor and Methods of Using Same |
| CN104441163A (en) * | 2014-10-29 | 2015-03-25 | 安徽德润工艺品有限公司 | Preparation method of willow rattan mildewproof and anti-moth treatment liquor |
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