CN102776093A - Preparation process of deuterium-depleted water Daqu - Google Patents
Preparation process of deuterium-depleted water Daqu Download PDFInfo
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- CN102776093A CN102776093A CN201210245489XA CN201210245489A CN102776093A CN 102776093 A CN102776093 A CN 102776093A CN 201210245489X A CN201210245489X A CN 201210245489XA CN 201210245489 A CN201210245489 A CN 201210245489A CN 102776093 A CN102776093 A CN 102776093A
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Abstract
The invention belongs to the technical field of brewing and particularly relates to a preparation process of deuterium-depleted water Daqu. The technical problem to be solved by the invention is to provide a preparation process of deuterium-depleted water Daqu. The preparation process of deuterium-depleted water Daqu comprises the following steps: moistening materials, crushing, mixing the materials, compressing into yeast, placing the yeast into a yeast room for bacteria cultivation, turning over the yeast, warehousing and storing to obtain a finished product of Daqu, wherein water used in the steps needing water is deuterium-depleted water. The preparation process provided by the invention can promote the growth of microorganisms in the Daqu so as to improve the quality of the Daqu.
Description
Technical field
The invention belongs to brewing technical field, be specifically related to the preparation technology of low deuterium-oxide Daqu.
Background technology
Song is " bone of wine ", and Daqu is product wine, the living pastil that yeast wine is brewageed.Nucleus in the Daqu is exactly various brewing functional microbial strainss, mainly contains three types: bacterium, mould and yeast.
Bacterium mainly contains milk-acid bacteria, acetic bacteria and subtilis.Milk-acid bacteria can also generate a small amount of alcohol, acetate and CO except that utilizing carbohydrate to produce lactic acid and the newborn ester during the fermentation
2Acetic bacteria can oxidizing glucose generates acetic acid (acetate) with ethanol, and further generates acetic ester with pure condensation, and while acetate also is organic acid precursor substances such as butyric acid, caproic acid.Subtilis has decomposing protein and amylatic ability, and it is the bacterium source that generates aromatic substance, is indispensable bacterium classification in the Daqu.Mould mainly contains aspergillus, head mold, Mucor.Aspergillus and head mold metabolism have formed saccharogenic power, liquefaction power, the protein decomposing force of Daqu, have generated multiple organic acid.The ability that Mucor has certain protein resolving power and produces small amount of ethanol, oxalic acid, succsinic acid, glycerine." water hair " major part common in the Daqu is a Mucor, and bent base is worn the clothes has promoter action.And yeast is the mother of fermentation, is the major impetus of zymamsis, and with the generation of fragrance matter and esterification enzyme, under the effect of esterification enzyme with acetate and ethanol synthesizing ethyl acetate or other acid, ester.It is thus clear that the quality of the brewing functional mikrobe in the Daqu, quantity directly influence the quality of Daqu, and then the influence wine brewing is produced.
The general making step of Daqu comprises: material moistening → pulverizing → spice (it is bent female that high-temperature daqu adds, and all the other Daqu do not add) → be pressed into song → go into bent room cultivation → turn over song → warehouse-in storage.Development along with the wine brewing industry needs the better Daqu of quality to be used for the production of liquor.
Summary of the invention
The technical problem that the present invention will solve is that a kind of the employing hanged down the technology that deuterium-oxide prepares Daqu, and this technology can promote microbial growth in the Daqu, thereby improves the quality of Daqu.
Technical scheme of the present invention is the preparation technology of low deuterium-oxide Daqu, comprises the steps: material moistening, pulverizing, spice, is pressed into song, goes into the cultivation of bent room, turns over song, puts storage in storage, gets the finished product Daqu; Wherein, above-mentionedly need water used in the step of water to be low deuterium-oxide.
Further, the concentration of deuterium is 50 ~ 100ppm in the used low deuterium-oxide.
Concrete, the temperature temperature of low deuterium-oxide is 80 ~ 87 ℃ during material moistening, and the material moistening time is 4～24h, and raw material moisture reaches 12 ~ 14% after the material moistening.
Concrete, the temperature of used low deuterium-oxide is 25～40 ℃ during spice, the raw material water cut was 36～40% after spice was accomplished.
Concrete, go into that the control top temperature is 55 ~ 65 ℃ in the bent room cultivation process, cultivated 8 ~ 15 days.
Concrete, the time that warehouse-in stores is 3 ~ 6 months.
Concrete, storing the bent base water cut in back is 9 ~ 13%.
Beneficial effect of the present invention:
Institute's water is low deuterium-oxide among the preparation technology of Daqu of the present invention, can better be absorbed by the mikrobe in the Daqu, promotes the microbial growth breeding, secretes more secondary metabolite; The diastatic ability of Daqu, enzyme activity, saccharogenic power, liquefaction power, fermenting power all improve a lot, and have promoted the quality of Daqu, have good application prospects.
Embodiment
The preparation technology of the low deuterium-oxide Daqu of the present invention comprises the steps: material moistening, pulverizing, spice, is pressed into song, goes into the cultivation of bent room, turns over song, storage, the finished product Daqu; Wherein, above-mentionedly need water used in the step of water to be low deuterium-oxide.
Further, the concentration of the deuterium in the used low deuterium-oxide is 50 ~ 100ppm.
Concrete, the temperature of low deuterium-oxide is 80 ~ 87 ℃ during material moistening, and the material moistening time is 4～24h, and raw material moisture reaches 12 ~ 14% after the material moistening.
Concrete, the temperature of used low deuterium-oxide is 25～40 ℃ during spice, the raw material water cut was 36～40% after spice was accomplished.
Concrete, go into that the bent room of control temperature is 55 ~ 65 ℃ in the bent room cultivation process, cultivated 8 ~ 15 days.
Concrete, the storage time is 3 ~ 6 months.
Concrete, storing the bent base water cut in back is 9 ~ 13%.
Water is generally formed (H by 2 Wasserstoffatomss and 1 Sauerstoffatom
2But Wasserstoffatoms has 2 different isotropic substances of quality O).Quality be 1 be hydrogen (H); Quality be 2 be heavy hydrogen (D), also claim deuterium; Quality be 3 be tritium (T), also claim tritium.Because the isotopic quality of Wasserstoffatoms is different, we are quality 1 the hydrogen and the water (H of oxygen composition
2O) be light-water; Water (the D that forms quality greater than 1 heavy hydrogen (D) and oxygen
2O) be heavy water.In the ortho-water of occurring in nature, the content of heavy hydrogen is about about 150ppm.Heavy hydrogen content is lower than the water of this value low deuterium-oxide.Low deuterium-oxide is a kind of than the littler lighter water of ortho-water.Discover through the contriver, adopt low deuterium-oxide to prepare Daqu, can better be absorbed by the mikrobe in the Daqu, the nutritive substance that also helps in the raw material is simultaneously absorbed by Institute of Micro-biology, promotes microbial growth and metabolism.The contriver discovers that further using deuterium concentration is the better effects if of the low deuterium-oxide of 50 ~ 100ppm.
The contriver discovers that it is in bad order that the material moistening water temperature is crossed the too short then raw material drinking water of low perhaps material moistening time, can influence the material moistening effect; The water cut of the raw material crushing effect that also can influence raw material not up to standard after the material moistening, the promptly mashed heart is the plum blossom lobe of mashed skin, and then influences disengaging and absorption of water of starch in the raw material, causes increasing viscosity.
Spice is good with 25 ~ 40 ℃ low deuterium-oxide among the present invention, preferably can make the raw material water cut reach 36～40% behind the spice.The too high then bent base of water cut is prone to the assorted bacterium of growth, and bent base heats up and accelerates to be prone to cause that the bacterium of becoming sour breeds in a large number in the fermenting process, thereby causes the loss of raw material to reduce bent quality; Water cut is crossed low then bent base poor adhesion, and bent base is easy-formation and increase broken bent quantity not, and bent base is prone to do too fastly, makes probiotics not have abundant breeding chance, influence the quality of finished product song.
Select for use among the present invention particle neat, do not have go mouldy, no abnormal smell, no pesticidal contamination, exsiccant wheat, barley or pea be raw material, wherein major ingredient is a wheat, barley and pea add with ratio on demand.Pulverize raw material after the material moistening, degree of grinding accounts for 35～55% for the raw material through 20 order hole sizers (being 840 microns in aperture) not, does not have " running son " (promptly not feed particles of pulverizing) and gets final product.
Among the present invention, be pressed into the rectangular parallelepiped that is shaped as of bent base, specification is long 34 ± 1cm, wide 21 ± 1cm, and thick 6.5～9.5cm is about net weight 4kg.General bottom surface is smooth, and upper surface has the parcel of a projection, is commonly called as bag Bao Qu.The bent aesthetic quality of moulding bag bag: four jiaos of bent bases are neat, smooth surface, and degree of tightness is consistent, and intact limit arrisdefect seems very moist very flexible.The bent base of moulding hangs, and treat that the surface is slightly dried, and owing to the gluten bonding gets final product bent embryo hardening, this process becomes the sweat that dries in the air.Sweat time of generally drying in the air is no more than 30 minutes.
Among the present invention, the bent base for preparing moves into bent room and promptly pacifies song, carries out cultivation subsequently, and cultivation also is a fermenting process.
Among the present invention, the bent mode of the peace of middle high-temperature daqu is: adopt bag to wrapping, laying face-to-face or be " one with the wind " and lay.The parcel that bag is a upper surface between two songs to bag, the aspectant form of laying is put relatively; And be close between the bag bag, thus little integral body of two curved one-tenth, and between each little integral body at interval about 2cm; Here just formed bag to bag, the aspectant form of laying; " one with the wind " is meant the bottom surface that packs tightly another piece song of subsides of every song, and all songs are all according to edge-on being placed on the bamboo clappers of direction.Bent base stacked form has two kinds of " well " font and " article " fonts, and " well " font is prone to humidity discharging, and " article " font is prone to insulation.But for enlarging output, reduce cost, also can adopt multilayer to lay, the about 4 ~ 6cm of every interlamellar spacing.
Among the present invention, the bent mode of the peace of high-temperature daqu is: must wrap up (can adopt woven cloth etc.) to bent base before laying.Promptly begin to lay bent base after parcel is good.Directly spread the second layer after having spread one deck, the bent base orientation of levels will be staggered, and is mutually square crossing.
In going into bent room cultivation process, all should note controlled temperature and humidity: note insulation winter, humidity discharging; Note cooling summer, preserve moisture.Insulation is through adding a cover straw mattress, and humidity discharging notes opening door and window, and the then watering of preserving moisture needs to spray an amount of low deuterium-oxide.Go in the bent room cultivation process 55 ~ 65 ℃ of controlled temperature, cultivated 8 ~ 15 days.The temperature of daqu fermentation can not be too high, and too high then the appearance burnt phenomenon, and mikrobe is scorched to death; Too low fermentation is slow.The cultivation phase is long, and then nutritive substance is consumed by undue in the Daqu, then between the shelf lives in the process in the Daqu nonnutritive material supply with mikrobe, and influence finished product Qu Zhiliang.Fermentation ends is turned over song immediately.Turn over song by " face of turning down, the hardness that hardness is big little roll up face " this principle, promptly moisture content is low be placed in when turning over song below, moisture content is high be placed in above, help the volatilization of moisture in the knee-piece like this and guarantee the profile of knee-piece.Promptly store after turning over song, window turning over bent back pullout (BPO), ventilate, let Daqu spontaneous fermentation, the process of the cooling that heats up.Turning over about the first seven day behind the song has a large amount of water vapour to overflow, and does not have obviously subsequently, closes the doors and windows, and carries out normal storage, in general 3 ~ 6 months of storage time, has during this period of time promptly accomplished the transformation fermentation of bent base.Store the bent base water cut in back and be advisable with 9 ~ 13%, the too high then explanation of water cut fermentation not exclusively; Water cut is too low then can to influence microbic activity in the Daqu.At this moment, the Daqu quality is basicly stable, is the finished product song, can directly be used for wine brewing and produce.
Low deuterium-oxide provides from torch chemical plant, Sichuan among the following embodiment; Being the by product that this factory produces heavy water, before not finding low deuterium-oxide purposes, is as direct discharging of waste water; It being used to make song promptly making full use of resource and also can improve spirit quality, is to kill two birds with one stone.
Embodiment 1 adopts high-temperature daqu in preparation technology's preparation of the present invention
Use the low deuterium-oxide of 80ppm in the present embodiment.
⑴ choose good quality wheat is raw material, and with 80 ℃ low deuterium-oxide material moistening 24h, raw material moisture reaches 13% after the material moistening, pulverizes, and gets flour.
⑵ add 40 ℃ low deuterium-oxide spice in flour, spice requires: flour flow, the water yield are moderate, uniform mixing.Aesthetic quality behind the spice: drinking water is even, ashless bag pimple, and hand is pinched agglomerating tack-free.Raw material water cut 36% behind the spice.
⑶ start bending press and make bent base, and the type specification is long 34cm, wide 21cm, thick 8cm.The moulding aesthetic quality: four jiaos of bent bases are neat, smooth surface, and degree of tightness is consistent, and intact limit arrisdefect moistens flexible.
⑷ the sweat that dries in the air: the bent base of moulding hung about 30 minutes, treated that the surface slightly does, and owing to after the gluten bonding makes bent embryo hardening, promptly moved into the deep closet cultivation.
⑸ enter the room and pacify song: spread bamboo clappers on the ground earlier, pad woven cloth is arranged in order knee-piece and lays one deck on it, adopts and wraps wrapping, laying face-to-face, lays four layers, hides with woven cloth between every layer.
⑹ cultivation: the control room temperature is about 55 ℃, and the cultivation time is 10 days, and bent made-up article temperature during this (the bent heart temperature in the bent base) can rise to about 55 ℃, and it is bent base xsect that mycelia is covered with section.
⑺ turn over song: the cultivation phase finishes, and shop, ground bamboo clappers turns over song by " face of turning down, the hardness that hardness is big little roll up face " this principle.
⑻ store: turn over bent back and get into the shelf lives.Store high-temperature daqu in the low deuterium-oxide that promptly obtains having giving off a strong fragrance after three months.
Be the contrast experiment simultaneously, with high-temperature daqu in the tap water preparation, all operations step is consistent with above-mentioned preparation process with processing parameter.
Subsequently, the physical and chemical index of the middle high-temperature daqu of two kinds of methods preparation is detected, all with reference to " Lu type wine skill complete works " (China Light Industry Press, the 1st edition), the result sees table 1 to detection method.
High-temperature daqu physical and chemical index in high-temperature daqu and the tap water in the low deuterium-oxide of table 1
From table 1, can find out, in the low deuterium-oxide in high-temperature daqu and the tap water high-temperature daqu moisture equally matched; But the acidity of high-temperature daqu exceeds 67.24% than high-temperature daqu in the tap water in the low deuterium-oxide, in Daqu, contains more aspartic protease, in the low deuterium-oxide in the high-temperature daqu acidity low, help proper pH environment being provided to aspartic protease; In the tap water in the low deuterium-oxide of the starch content of high-temperature daqu high-temperature daqu low by 4.26%, explain that to hang down in the deuterium-oxide in the high-temperature daqu starch degradation ability of mikrobe stronger; The saccharogenic power of high-temperature daqu, fermenting power, liquefaction power improve 16.19%, 23.40%, 16.86% than high-temperature daqu in the tap water respectively in the low deuterium-oxide.According to the biochemical indicator of two kinds of Daqu after storage, can explain that low deuterium-oxide helps the growth and the metabolism of organism of fermentation in the Daqu, and then improve spirit quality.
Embodiment 2 adopts preparation technology of the present invention to prepare high-temperature daqu
Use the low deuterium-oxide of 100ppm in the present embodiment.
⑴ choose good quality wheat is raw material, and with 80 ℃ low deuterium-oxide material moistening 24h, raw material moisture reaches 13% after the material moistening, pulverizes, and gets flour.
In flour, add 6 ~ 8% (promptly accounting for flour quality per-cent) bent female (be produce the previous year contain the bacterial classification class and a fairly large number of high temperature is bent), with 40 ℃ low deuterium-oxide spice, and the spice requirement: flour flow, the water yield are moderate, uniform mixing.Aesthetic quality behind the spice: drinking water is even, ashless bag pimple, and hand is pinched agglomerating tack-free.Raw material water cut 40% behind the spice.
⑶ with step ⑶ among the embodiment 1.
⑷ with step ⑷ among the embodiment 1.
⑸ the peace of entering the room is bent: ground and wall are rebasing with straw, and the about 2cm of knee-piece spacing separates between knee-piece and every layer of knee-piece with straw and also to separate with straw, and pacifying song like this is can reach more than 60 ℃ in temperature during the cultivation phase in order to guarantee, with the sauce perfume fragrance of assurance high temperature song.
⑹ cultivation: the control room temperature is about 65 ℃, and the cultivation time is 10 days, and bent in the meantime made-up article temperature can rise to 60 ~ 65 ℃, and mycelia is covered with section.Heat and moisture preserving:, do not flow into bent heap with watering and be as the criterion to the straw mulch watering.
⑺ turn over song: the cultivation phase finishes promptly to turn over song.
⑻ store after turning over song, and note the insulation humidity discharging, stores six months.
Do the experiment contrast simultaneously, with tap water preparing high-temp Daqu, all operations step is consistent with processing parameter.
Subsequently, the physical and chemical index of the Daqu of two kinds of methods preparation is detected, all with reference to " Lu type wine skill complete works " (China Light Industry Press, the 1st edition), the result sees table 2 to detection method.
Low deuterium-oxide high-temperature daqu of table 2 and tap water high-temperature daqu physical and chemical index
Can find out that from table 2 low deuterium-oxide high-temperature daqu is equally matched with tap water high-temperature daqu moisture content, but acidity exceeds 31.65%, starch content is low by 1.99%, and saccharogenic power increases by 21.19%, and fermenting power increases by 53.64%, and liquefaction power increases by 27.87%.The low deuterium-oxide of explanation helps the growth and the metabolism of organism of fermentation in the Daqu thus, and mikrobe is stronger to the degradation capability of starch, has the pH environment that is more suitable for aspartic protease, makes Daqu have better physicochemical characteristics.
Claims (7)
1. the preparation technology of low deuterium-oxide Daqu comprises the steps: material moistening, pulverizing, spice, is pressed into song, goes into the cultivation of bent room, turns over song, puts storage in storage, gets the finished product Daqu; It is characterized in that: above-mentionedly need water used in the step of water to be low deuterium-oxide.
2. the preparation technology of low deuterium-oxide Daqu according to claim 1 is characterized in that: the concentration of the deuterium in the used low deuterium-oxide is 50 ~ 100ppm.
3. the preparation technology of low deuterium-oxide Daqu according to claim 1 and 2 is characterized in that: 80 ~ 87 ℃ of the temperature of low deuterium-oxide during material moistening, and the material moistening time is 4～24h, raw material moisture reaches 12 ~ 14% after the material moistening.
4. according to the preparation technology of each described low deuterium-oxide Daqu of claim 1 ~ 3, it is characterized in that: the temperature of used low deuterium-oxide is 25～40 ℃ during spice, and the raw material water cut was 36～40% after spice was accomplished.
5. according to the preparation technology of each described low deuterium-oxide Daqu of claim 1 ~ 4, it is characterized in that: going in the bent room cultivation process control top temperature is 55 ~ 65 ℃, cultivates 8 ~ 15 days.
6. according to the preparation technology of each described low deuterium-oxide Daqu of claim 1 ~ 5, it is characterized in that: the time that warehouse-in stores is 3 ~ 6 months.
7. the preparation technology of low deuterium-oxide Daqu according to claim 6 is characterized in that: storing the bent base water cut in back low is 9 ~ 13%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103666931A (en) * | 2013-12-23 | 2014-03-26 | 泸州品创科技有限公司 | High-yield high-quality yeast for making hard liquor and preparation method of yeast |
| CN105533377A (en) * | 2016-01-11 | 2016-05-04 | 上海金苇子生物技术有限公司 | Enzyme beverage and preparation method thereof |
| WO2017202293A1 (en) * | 2016-05-23 | 2017-11-30 | 浙江泛亚生物医药股份有限公司 | Artificial cultivation method for cordyceps sobolifera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108083229B (en) * | 2017-12-13 | 2020-11-06 | 中国工程物理研究院材料研究所 | System for preparing multi-concentration deuterium-depleted water by liquid-phase catalytic exchange process and implementation method thereof |
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| CN101348757A (en) * | 2008-07-09 | 2009-01-21 | 上海池天超轻水生物工程有限公司 | Preparation of low deuterium spirit |
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| CN101348757A (en) * | 2008-07-09 | 2009-01-21 | 上海池天超轻水生物工程有限公司 | Preparation of low deuterium spirit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103666931A (en) * | 2013-12-23 | 2014-03-26 | 泸州品创科技有限公司 | High-yield high-quality yeast for making hard liquor and preparation method of yeast |
| CN103666931B (en) * | 2013-12-23 | 2015-04-22 | 泸州品创科技有限公司 | High-yield high-quality yeast for making hard liquor and preparation method of yeast |
| CN105533377A (en) * | 2016-01-11 | 2016-05-04 | 上海金苇子生物技术有限公司 | Enzyme beverage and preparation method thereof |
| WO2017202293A1 (en) * | 2016-05-23 | 2017-11-30 | 浙江泛亚生物医药股份有限公司 | Artificial cultivation method for cordyceps sobolifera |
| CN107409742A (en) * | 2016-05-23 | 2017-12-01 | 浙江泛亚生物医药股份有限公司 | A kind of artificial culture method of cicada fungus |
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