CN104513752A - Method for curing pit mud - Google Patents
Method for curing pit mud Download PDFInfo
- Publication number
- CN104513752A CN104513752A CN201410636031.6A CN201410636031A CN104513752A CN 104513752 A CN104513752 A CN 104513752A CN 201410636031 A CN201410636031 A CN 201410636031A CN 104513752 A CN104513752 A CN 104513752A
- Authority
- CN
- China
- Prior art keywords
- caproic acid
- acid bacteria
- mud
- pit skin
- skin mud
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12G—WINE; PREPARATION THEREOF; ALCOHOLIC BEVERAGES; PREPARATION OF ALCOHOLIC BEVERAGES NOT PROVIDED FOR IN SUBCLASSES C12C OR C12H
- C12G3/00—Preparation of other alcoholic beverages
- C12G3/02—Preparation of other alcoholic beverages by fermentation
Abstract
The invention discloses a method for curing pit mud. The method comprises the following steps: preparing a caproic acid bacteria five stage seed liquid; preparing a material according to a formula of caproic acid bacteria culture medium, sterilizing, cooling to 35 DEGC, adding 1-5% ethanol, and theninoculating caproic acid bacteria five stage seed liquid according to the proportion of about 10%, stirring, and conducting static cultivation at 30-37 DEG C for 5-11 d, so as to obtain a caproate bacteria culture fluid; collecting pit mud, adding a certain amount of the caproic acid bacteria culture medium, hard liquor powder, soybean powder, wheat bran, distillation tails, alcohol and water to obtain a pit mud curing mixture, uniformly stirring the mixture, and controlling the moisture content of the mixture t at 30-50%, so as to obtain treated pit mud; transferring the treated pit mud to a cement pool, sealing with film and cultivating under natural conditions for 10-40 d. The obtained curing pit mud has moist, delicate and smooth handle feel, no rough sense for rubbing, obvious caproic acid flavor; and microscopic examination shows abundant and strong Bacillus and clostridium.
Description
Technical field
The invention belongs to Liquor Making Technology field, particularly relate to a kind of maintenance process of envelope pit skin mud.
Background technology
What the production of aromatic Chinese spirit adopted is traditional solid-state fermentation process, it is strongly depend on Jiao Chi, and the quality of quality to aromatic Chinese spirit of storing pit mud quality in pond plays very important effect, because growing the microbial bacteria group being of value to wine brewing of miscellaneous Various Functions in quality aged pit mud.Wherein caproic acid bacteria is clostridial one, it is a kind of pit mud functional bacteria played a decisive role in aroma type daqu liquor fermentation, its quantity and the power of function directly affect the quality of fragrant yeast wine fermentation, because its meta-bolites caproic acid and tunning alcohol producing ethyl hexanoate are the main aromatic components of aroma daqu liquor.In Production of Luzhou-flavor Liquor fermenting process, fermented mash except with cellar for storing things pond bed mud with storing pool wall and contacting except, the pit skin mud of also storing with envelope contacts.If according to the dark 2m of Jiao Chi, pond, cellar for storing things cap height is that the rectangle Jiao Chi of the wide 2m of the long 3m of 0.5m, Jiao Chi calculates, and cellar for storing things bed mud surface-area is 6m3 cellar for storing things pool wall mud surface-area is 20m3.Pit skin mud surface-area is 11m
3.
During wine brewing is produced, good poor unstrained spirits normally to be prepared enters after cellar for storing things tracks tramping, at the pit skin mud that face grain surface coverage 8-12cm is thick.Envelope cellar for storing things after mud is floating, polishing, later every day stores clearly once, as because of fermented mash sink make pit sealing mud occur crack, should be floating in time, until sizing do not split, then on mud cap rock plastics film, prevent cellar for storing things mud dry and cracked.The object using pit sealing mud to carry out sealing cellar for storing things makes wine unstrained spirits and isolate from outer air, causes anaerobic condition, prevent harmful microbe from invading, and it also avoid yeast simultaneously and consume fermentable sugar in a large number when air is sufficient, ensure that bent wine fermentation normally carries out.If envelope cellar for storing things is tight, as produced Jiao Ding gas leakage, then poor unstrained spirits can be caused have a fever, go mouldy, raw acid, also can make evil taste of mixing on wine band.Pit sealing mud also belongs to a cellar for storing things mud part.Production practice show, pit sealing mud not only plays pond, cellar for storing things sealing function, and has substantial connection with upper strata arrack matter, and its microbial population plays an important role to upper strata arrack matter.Current, the maintenance of people to pond, cellar for storing things mud mainly concentrates on cellar for storing things pond bed mud and cellar for storing things pool wall mud, and effective maintenance is lacked to pit skin mud, only using pit skin mud as sealing function, do not consider wherein functional microorganism nutrition and metabolism, make pit skin mud composition and function simply, major function bacterium caproic acid bacteria quantity not sufficient especially wherein.
Therefore, the present invention needs to develop the needs that the pit skin mud maintenance process made new advances meets wine brewing production.
Summary of the invention
Main purpose of the present invention forms primarily of yellow mud for general traditional pit skin mud, its composition and function simple, the phenomenon less to the influence power of aromatic Chinese spirit quality and flavor characteristics, do not make full use of the problems such as pit skin mud is easily changed, moveable characteristic, there is provided a kind of maintenance process of envelope pit skin mud, the pit skin mud prepared by the method, is rich in caproic acid bacteria, effectively can improve quality and the flavor characteristics of aromatic Chinese spirit, improve the quality percentage of aroma daqu liquor.
The present invention adopts following technical scheme to achieve these goals:
A maintenance process for envelope pit skin mud, is characterized in that, comprises the following steps:
(1) after caproic acid bacteria bacterial classification Pyatyi enlarged culturing, obtained caproic acid bacteria Pyatyi seed liquor;
(2) 10m
3in fermentor tank, according to caproic acid bacteria culture medium prescription preparation material, sterilizing, when being cooled to about 35 DEG C, add the ethanol of 1-5%, then access caproic acid bacteria Pyatyi seed liquor in the ratio of about 10%, after stirring at 30-37 DEG C static gas wave refrigerator 5-11d, obtain caproic acid bacteria nutrient solution;
(3) envelope pit skin mud is collected as the pit skin mud treating maintenance, and add wherein a certain amount of step (2) gained caproic acid bacteria nutrient solution and koji powder, soybean cake powder, wheat bran, wine tail, about 95% alcohol and yellow water, obtain pit skin mud maintenance ingredients mixture, mixture stirs through stirring mud machine, and to control mixture water ratio be 30-50%, the pit skin mud that must process;
(4) pit skin mud of the process of gained is transported in cement pit, cultivates 10-40d with under diaphragm seal natural condition, to obtain final product.
The maintenance process of described a kind of envelope pit skin mud, is characterized in that:
The cultural method of described caproic acid bacteria Pyatyi seed liquor is as follows:
1. after Storage in refrigerator liquid spawn being processed about 10min through 75-85 DEG C, be in the 100mL triangular flask of 100mL according to the inoculum size access liquid amount of about 10%, obtain primary seed solution in 30-37 DEG C of cultivation about 7d for subsequent use;
2. by primary seed solution according to about 10% inoculum size access liquid amount be in the 1L triangular flask of 1L, cultivating about 7d in 30-37 DEG C, to obtain secondary seed solution for subsequent use;
3. by secondary seed solution according to about 10% inoculum size access liquid amount be in the fermentor tank of 10L, cultivating 5-11d in 30-37 DEG C, to obtain three grades of seed liquor for subsequent use;
4. by three grades of seed liquor according to about 10% inoculum size access liquid amount be in the fermentor tank of 100L, cultivating about 7d in 30-37 DEG C, to obtain level Four seed liquor for subsequent use;
5. by level Four seed liquor according to about 10% inoculum size access liquid amount be in the fermentor tank of 1000L, in 30-37 DEG C cultivate about 7d obtain Pyatyi seed liquor.
The maintenance process of described a kind of envelope pit skin mud, is characterized in that: described caproic acid bacteria bacterial classification refers to that signature is Clostridiun, plants the kirschner clostridium of Kluyver by name.
The maintenance process of described a kind of envelope pit skin mud, is characterized in that: each component that described caproic acid bacteria substratum comprises and content are respectively: CH
3cOONa about 0.5%, K
2hPO
4about 0.04%, MgSO
4.7H
2about O0.02%, (NH
4)
2sO
40.1%, yeast extract 0.05-0.5%, CaCO
3about 0.05%, wine tail 1-20%, ethanol 1-5%, all the other compositions are water; The disinfecting action of described caproic acid bacteria substratum is sterilizing about 30min under about 121 DEG C.
The maintenance process of described a kind of envelope pit skin mud, is characterized in that:
Each component that described caproic acid bacteria substratum comprises and content are respectively: CH
3cOONa 0.5%, K
2hPO
40.04%, MgSO
4.7H
2o 0.02%, (NH
4)
2sO
40.1%, yeast extract 0.05-0.5%, CaCO
30.05%, wine tail 1-20%, ethanol 1-5%, all the other compositions are water.
The maintenance process of described a kind of envelope pit skin mud, is characterized in that:
The method of collecting envelope pit skin mud is: after poor unstrained spirits fermentation ends, to be diced by cellar for storing things skin and loads bucket, then pit skin mud is transported to pit skin mud treatment plant stockyard with little side's spade.
The maintenance process of described a kind of envelope pit skin mud, is characterized in that: pit skin mud maintenance ingredients mixture is obtained by the raw material of following weight per-cent: the pit skin mud 25-80% treating maintenance, koji powder 1-10%; Soybean cake powder 1-10%; Wheat bran 1-10%; The caproic acid bacteria nutrient solution 1-10% of gained in step (2); Wine tail 1-20%; 95% alcohol 1-5%; Yellow water 1-20%.
Pit skin mud after maintenance should be that feel is moistening, fine and smooth, cunning, stranding without harsh feeling, that smells has obvious caproic acid taste, and be as good as stink or different assorted taste, microscopy is shaft-like, shuttle shape bacterium is many and stout and strong.
Beneficial effect of the present invention:
The maintenance process of pit skin mud of the present invention, not only can avoid pit skin mud quality degradation, can also improve pit skin mud quality.The present invention is that pit skin mud maintenance process provides a kind of new method, has broad application prospects.The maintenance pit skin mud feel obtained is moistening, fine and smooth, glossy, stranding without harsh feeling, that smells has more obvious caproic acid taste, is as good as stink or different assorted taste, and microscopy bacillus, clostridium are many and stout and strong.
Accompanying drawing explanation
Fig. 1 is present invention process schematic flow sheet.
Embodiment
Embodiment 1,
(1) caproic acid bacteria seed enlarged culturing: 1. first order seed is cultivated: by Storage in refrigerator liquid spawn after 80 DEG C of process 10min, it is in the 100mL triangular flask of 100mL that inoculum size according to 10% accesses liquid amount, cultivates 7d acquisition first order seeds for subsequent use in 35 DEG C; 2. secondary seed cultivate: by primary seed solution according to 10% inoculum size access liquid amount be in the 1L triangular flask of 1L, in 35 DEG C cultivate 7d obtain secondary seeds for subsequent use; 3. three grades of seed culture: by secondary seed solution according to 10% inoculum size access liquid amount be in the fermentor tank of 10L, cultivating 7d in 35 DEG C, to obtain three grades of seeds for subsequent use; 4. level Four seed culture: by three grades of seed liquor according to 10% inoculum size access liquid amount be in the fermentor tank of 100L, cultivating 7d in 35 DEG C, to obtain level Four seeds for subsequent use; 5. adopt and use the same method, then by level Four seed liquor after 10 times are amplified, obtain 1m
3pyatyi seed liquor.
(2) caproic acid bacteria nutrient solution preparation: according to caproic acid bacteria culture medium prescription preparation material, sterilizing, when being cooled to 35 DEG C, add ethanol, then in 10% ratio to 10m
3access Pyatyi seed liquor in fermentor tank, after stirring, close agitator, cultivate 7d in 35 DEG C.
(1) caproic acid bacteria bacterial classification refers to that signature is Clostridiun, plants the kirschner clostridium of Kluyver by name and in (2); Each component that described caproic acid bacteria substratum comprises and content are: CH
3cOONa 0.5%, K
2hPO
40.04%, MgSO
4.7H
2o 0.02%, (NH
4)
2sO
40.1%, yeast extract 0.1%, CaCO
30.05%, wine tail 10%, ethanol 2%.Substratum, at 121 DEG C of sterilizing 30min, adds ethanol before inoculation.
(3) caproic acid bacteria solution detects: fermentation expires, and the caproic acid bacteria solution indices obtained by detection is: outward appearance is light yellow; Smell is caproic acid smell slightly; PH=5.5; Caproic acid bacteria number=1.1 × 10
8individual/mL.
(4) collect envelope pit skin mud: after poor unstrained spirits fermentation ends, with little side's spade cellar for storing things skin diced and load bucket, then pit skin mud being transported to pit skin mud treatment plant stockyard.
(5) batching mixing: treat that maintenance pit skin mud is pushed aside by ready, what surrounding was slightly high encloses shape, spill into pit skin mud batching successively, pit skin mud maintenance is prepared burden by treating maintenance pit skin mud 48%, koji powder 5%; Soybean cake powder 5%; Wheat bran 5%; Caproic acid bacteria nutrient solution 10% in described (2); Wine tail 15%; 95% alcohol 2%; High-quality yellow water 10%; Then first time slightly mixing is carried out.After thick mixing terminates, start cellar for storing things mud electromechanical source button, the feeding that struggles against is embraced in mixture driving and stirs mud machine inlet capable, allow and stir mud machine and be stirred well to evenly to it, the equal, saturating of various raw material must be ensured in whipping process, and to control pit skin mud moisture content be 40%.
(6) pit skin mud is cultivated: after mixing of materials evenly completes, and being transported in cement pit, cultivating 30d with under diaphragm seal natural condition with embracing bucket by the pit skin mud made.
Pit skin mud after maintenance should be that feel is moistening, fine and smooth, cunning, stranding without harsh feeling, that smells has obvious caproic acid taste, and be as good as stink or different assorted taste, microscopy is shaft-like, shuttle shape bacterium is many and stout and strong.
(7) pit skin mud application: after having cultivated, proceeding to transport trolley with embracing to struggle against by pit skin mud, being delivered to cellar for storing things pool side, enters after cellar for storing things tracks tramping, is collected by pond, cellar for storing things pit skin mud, smears with mud surperficial clearly, seal, fermentation time 70d with unabroken plastics film until fermented grains in pits.
Pit skin mud after the present embodiment maintenance is used for Luzhou-flavor white wine cellar sealing, in addition, adopts the pit skin mud envelope cellar for storing things of used and non-maintenance, the face arrack quality obtained is contrasted, the results are shown in Table 1 after fermentation.
After table 1 maintenance of the present invention, pit skin mud and non-maintenance pit skin mud contrast
As can be seen from Table 1, the pit skin mud without maintenance has shown uniform stiff mud block, is because earth mixing is uneven, is dried to block serious.Behind non-maintenance pit skin mud Feng Jiao pond, at cellar for storing things there is a large amount of crack in pool surface, and surface grows white mould bacterial plaque, carries stink, microscopy is shaft-like, shuttle shape bacterium is few and modest, the face arrack performance mud extraction stink of acquisition, bitter, assorted highly seasoned, and vinosity is poor.And the pit skin mud quality adopting the present invention to obtain is apparently higher than non-maintenance pit skin mud, the face arrack quality of acquisition also has graceful cellar for storing things mud fragrance, and vinosity is better.
Embodiment 2,
The present embodiment process flow sheet as shown in Figure 1
A maintenance process for envelope pit skin mud, comprises the following steps:
(1) after caproic acid bacteria bacterial classification Pyatyi enlarged culturing, obtained caproic acid bacteria Pyatyi seed liquor;
The cultural method of described caproic acid bacteria Pyatyi seed liquor is as follows:
1. after Storage in refrigerator liquid spawn being processed 10min through 85 DEG C, be in the 100mL triangular flask of 100mL according to the inoculum size access liquid amount of 10%, obtain primary seed solution in 37 DEG C of cultivation 7d for subsequent use;
2. by primary seed solution according to 10% inoculum size access liquid amount be in the 1L triangular flask of 1L, in 30 DEG C cultivate 7d obtain secondary seed solution for subsequent use;
3. by secondary seed solution according to 10% inoculum size access liquid amount be in the fermentor tank of 10L, cultivating 11d in 32 DEG C, to obtain three grades of seed liquor for subsequent use;
4. by three grades of seed liquor according to 10% inoculum size access liquid amount be in the fermentor tank of 100L, cultivating 7d in 30 DEG C, to obtain level Four seed liquor for subsequent use;
5. by level Four seed liquor according to 10% inoculum size access liquid amount be in the fermentor tank of 1000L, cultivate 7d in 35 DEG C and obtain Pyatyi seed liquor;
(2) 10m
3in fermentor tank, according to caproic acid bacteria culture medium prescription preparation material, sterilizing, when being cooled to 35 DEG C, add the ethanol of 4%, then access caproic acid bacteria Pyatyi seed liquor by the ratio of 10%, after stirring at 37 DEG C static gas wave refrigerator 8d, obtain caproic acid bacteria nutrient solution;
(3) envelope pit skin mud is collected as the pit skin mud treating maintenance, and add wherein a certain amount of step (2) gained caproic acid bacteria nutrient solution and koji powder, soybean cake powder, wheat bran, wine tail, 95% alcohol and yellow water, obtain pit skin mud maintenance ingredients mixture, mixture stirs through stirring mud machine, and to control mixture water ratio be 40%, the pit skin mud that must process;
(4) pit skin mud of the process of gained is transported in cement pit, cultivates 30d with under diaphragm seal natural condition, to obtain final product.
Described caproic acid bacteria bacterial classification refers to that signature is Clostridiun, plants the kirschner clostridium of Kluyver by name.Each component that described caproic acid bacteria substratum comprises and content are respectively: CH
3cOONa 0.5%, K
2hPO
40.04%, MgSO
4.7H
2o 0.02%, (NH
4)
2sO
40.1%, yeast extract 0.1%, CaCO
30.05%, wine tail 18%, ethanol 4%, all the other compositions are water; The disinfecting action of described caproic acid bacteria substratum is sterilizing 30min at 121 DEG C.
The method of collecting envelope pit skin mud is: after poor unstrained spirits fermentation ends, to be diced by cellar for storing things skin and loads bucket, then pit skin mud is transported to pit skin mud treatment plant stockyard with little side's spade.
Pit skin mud maintenance ingredients mixture is obtained by the raw material of following weight per-cent: the pit skin mud 50% treating maintenance, koji powder 5%; Soybean cake powder 10%; Wheat bran 10%; The caproic acid bacteria nutrient solution 8% of gained in step (2); Wine tail 5%; 95% alcohol 1%; Yellow water 11%.
Pit skin mud after the present embodiment maintenance is used for Luzhou-flavor white wine cellar sealing, in addition, adopts the pit skin mud envelope cellar for storing things of used and non-maintenance, the face arrack quality obtained is contrasted, the results are shown in Table 2 after fermentation.
After table 2 maintenance of the present invention, pit skin mud and non-maintenance pit skin mud contrast
Claims (7)
1. seal a maintenance process for pit skin mud, it is characterized in that, comprise the following steps:
(1) after caproic acid bacteria bacterial classification Pyatyi enlarged culturing, obtained caproic acid bacteria Pyatyi seed liquor;
(2) 10m
3in fermentor tank, according to caproic acid bacteria culture medium prescription preparation material, sterilizing, when being cooled to about 35 DEG C, add the ethanol of 1-5%, again in about 10% ratio access caproic acid bacteria Pyatyi seed liquor, after stirring at 30-37 DEG C static gas wave refrigerator 5-11d, obtain caproic acid bacteria nutrient solution;
(3) envelope pit skin mud is collected as the pit skin mud treating maintenance, and add wherein a certain amount of step (2) gained caproic acid bacteria nutrient solution and koji powder, soybean cake powder, wheat bran, wine tail, about 95% alcohol and yellow water, obtain pit skin mud maintenance ingredients mixture, mixture stirs through stirring mud machine, and to control mixture water ratio be 30-50%, the pit skin mud that must process;
(4) pit skin mud of the process of gained is transported in cement pit, cultivates 10-40d with under diaphragm seal natural condition, to obtain final product.
2. the maintenance process of a kind of envelope pit skin mud according to claim 1, is characterized in that:
The cultural method of described caproic acid bacteria Pyatyi seed liquor is as follows:
1. after Storage in refrigerator liquid spawn being processed about 10min through 75-85 DEG C, be in the 100mL triangular flask of 100mL according to the inoculum size access liquid amount of about 10%, obtain primary seed solution in 30-37 DEG C of cultivation about 7d for subsequent use;
2. by primary seed solution according to about 10% inoculum size access liquid amount be in the 1L triangular flask of 1L, cultivating about 7d in 30-37 DEG C, to obtain secondary seed solution for subsequent use;
3. by secondary seed solution according to about 10% inoculum size access liquid amount be in the fermentor tank of 10L, cultivating 5-11d in 30-37 DEG C, to obtain three grades of seed liquor for subsequent use;
4. by three grades of seed liquor according to about 10% inoculum size access liquid amount be in the fermentor tank of 100L, cultivating about 7d in 30-37 DEG C, to obtain level Four seed liquor for subsequent use;
5. by level Four seed liquor according to about 10% inoculum size access liquid amount be in the fermentor tank of 1000L, in 30-37 DEG C cultivate about 7d obtain Pyatyi seed liquor.
3. the maintenance process of a kind of envelope pit skin mud according to claim 1, is characterized in that: described caproic acid bacteria bacterial classification refers to that signature is
clostridiun, plant by name
kluyverkirschner clostridium.
4. the maintenance process of a kind of envelope pit skin mud according to claim 1, is characterized in that: each component that described caproic acid bacteria substratum comprises and content are respectively: CH
3cOONa about 0.5%, K
2hPO
4about 0.04%, MgSO
4.7H
2o 0.02 about %, (NH
4)
2sO
40.1%, yeast extract 0.05-0.5%, CaCO
3about 0.05%, wine tail 1-20%, ethanol 1-5%, all the other compositions are water; The disinfecting action of described caproic acid bacteria substratum is sterilizing 30 about min under about 121 DEG C.
5. the maintenance process of a kind of envelope pit skin mud according to claim 1, is characterized in that:
Each component that described caproic acid bacteria substratum comprises and content are respectively: CH
3cOONa 0.5%, K
2hPO
40.04%, MgSO
4.7H
2o 0.02 %, (NH
4)
2sO
40.1%, yeast extract 0.05-0.5%, CaCO
30.05%, wine tail 1-20%, ethanol 1-5%, all the other compositions are water.
6. the maintenance process of a kind of envelope pit skin mud according to claim 1, is characterized in that:
The method of collecting envelope pit skin mud is: after poor unstrained spirits fermentation ends, to be diced by cellar for storing things skin and loads bucket, then pit skin mud is transported to pit skin mud treatment plant stockyard with little side's spade.
7. the maintenance process of a kind of envelope pit skin mud according to claim 1, is characterized in that: pit skin mud maintenance ingredients mixture is obtained by the raw material of following weight per-cent: the pit skin mud 25-80% treating maintenance, koji powder 1-10%; Soybean cake powder 1-10%; Wheat bran 1-10%; The caproic acid bacteria nutrient solution 1-10% of gained in step (2); Wine tail 1-20%; 95% alcohol 1-5%; Yellow water 1-20%.
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|---|---|---|---|
| CN201410636031.6A CN104513752A (en) | 2014-11-12 | 2014-11-12 | Method for curing pit mud |
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|---|---|---|---|
| CN201410636031.6A CN104513752A (en) | 2014-11-12 | 2014-11-12 | Method for curing pit mud |
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| CN104513752A true CN104513752A (en) | 2015-04-15 |
Family
ID=52789624
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| CN109913338A (en) * | 2017-12-13 | 2019-06-21 | 四川外交家酒业有限公司 | A kind of preparation method of pit skin mud |
| CN113150903A (en) * | 2021-01-29 | 2021-07-23 | 新疆伊力特实业股份有限公司 | Pit mud preparation process method |
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| CN109913338A (en) * | 2017-12-13 | 2019-06-21 | 四川外交家酒业有限公司 | A kind of preparation method of pit skin mud |
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