CN103060151A - Method for mechanical production of Daqu at middle and high temperatures - Google Patents
Method for mechanical production of Daqu at middle and high temperatures Download PDFInfo
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- CN103060151A CN103060151A CN2013100055955A CN201310005595A CN103060151A CN 103060151 A CN103060151 A CN 103060151A CN 2013100055955 A CN2013100055955 A CN 2013100055955A CN 201310005595 A CN201310005595 A CN 201310005595A CN 103060151 A CN103060151 A CN 103060151A
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Abstract
The invention discloses a method for the mechanical production of Daqu at middle and high temperatures. The method comprises the following steps: adding qu preparing raw materials comprising 9 parts of crushed wheat and 1 part of crushed barley into a wheel disc qu preparing machine, adding bacterial strains having a mass being 5% of the qu preparing raw materials to obtain a mixture, adding water having a mass being 2/3 of the mixture for wetting the mixture, starting a qu stirring machine for stirring the qu material mixture to fully mix the bacterial strains and make the bacterial strains uniformly have a thickness of 25cm in the wheel disc, carrying out moisture retention and heat insulation culture, air-drying, and storing to obtain Daqu. The method which adopts the wheel disc to prepare the Daqu has the advantages of multistage gradient regulation and control, fermentation period shortening, promoting functional bacteria to grow and breed to accumulate various enzymes, Daqu quality improvement, and gradual standardization, standardization and automation of the white wine qu preparation.
Description
Technical field
The present invention relates to the Daqu production method, be specifically related to a kind of middle high-temperature daqu mechanized method for making.
Background technology
As everyone knows, " song is the soul of wine ", Daqu plays vital effect in liquor production.Daqu is an integral body that contains many fungus strains, multienzyme system and complicated aroma substance, and this three large system is mutually promoted, complemented each other, and the microorganism in the Daqu usually is that a kind of bacterium product plurality of enzymes, a plurality of bacterium produce a kind of enzyme, a plurality of bacterium produces multiple compound fragrance.The production of aromatic Chinese spirit be with Daqu as saccharifying ferment, starter-making materials through pulverizing, material moistening, buckle, room culture, microorganism growth breeding produces needed saccharifying enzyme, zymase and aromatoising substance in the wine brewing, again through air-dry, store Daqu.Because the microorganism fungus strain is very different, koji is subjected to the impact in environment season larger, causes spirit quality unstable, simultaneously existing complex manufacturing, labour intensity is large, and is wayward, and the cycle of koji is also longer, for four months, production efficiency is low, can't rationally control the quality product of Daqu.
Summary of the invention
The object of the invention is to: a kind of middle high-temperature daqu mechanized method for making is provided, utilizes modern biotechnology, realize the Daqu production mechanization.
Technical solution of the present invention is: add starter-making materials in the wheel disc starter propagation machine, the mass ratio of pulverizing wheat and pulverizing barley in the starter-making materials is 9:1, the bacterial classification that adds again its quality 5% in the starter-making materials gets compound, add the moistening compound of water, the mass ratio of compound and water is 3:2, start yeast machine with the song material turn make bacterial classification fully mixed evenly in wheel disc thickness remain on 25cm and carry out moisture-heat preservation and cultivate, through air-dry, store to get Daqu; Wherein, the process that moisture-heat preservation is cultivated is followed successively by fermentation stage, humidity discharging stage, tide fire stage, full fire and rear fire stage, fermentation stage: 32 ℃ of temperature, humidity 85%, time 1d; The humidity discharging stage: 42 ℃ of temperature,, humidity 50%, time 1d, air quantity 20-25 m
3/ h; The tide fire stage: temperature 50 C, humidity 80%, time 1d; Full fire: 54 ℃ of temperature, humidity 50%, time 1d; The rear fire stage: humidity 40%, 42 ℃ of first temperature are kept 1d, and 32 ℃ of temperature are kept 1d again; Wherein, bacterial classification is Bacillus licheniformis, subtilis or Bacillus circulans.
The present invention has the following advantages:
1, wheel disc koji totally enclosed has reduced unnecessary living contaminants, can not be subjected to the restriction in season, and can and produce enzyme each period and temperature requiredly be regulated flexibly according to the different growth phases of function yeast, temperature automatically controlled control is wet, makes the large inulinase activity of generation higher, and process of growth is good;
2, the rotation of wheel disc, shakeout, turn over song and go out Qu Jun and concentrate on an operation desk, only need 1 people before operation desk, to press the push button operation during koji and just can finish whole yeast making process, greatly alleviated workman's labour intensity, improved labour productivity;
3, wheel disc starter propagation machine floor space is little, improves the factory building utilization ratio. for volume increase creates conditions, and also comparatively concentrated, easy to operate in management;
4, the wind regime that utilizes ventilator to supply with in koji is regulated humidity, temperature, impels the function yeast growth and breeding to accumulate various enzymes, thereby improves spirit quality, makes the brewed spirit koji move towards gradually standardization, stdn, automatization;
5, adopt the multistage gradient regulation and control, make the breeding of microorganism rapid, high volume, fermentation period is shortened the Daqu that the Daqu that this law obtains all prepares apparently higher than traditional method at aspects such as amylase, aspartic protease and Esterified Enzyme vigor thereof;
6, the Daqu of this method system of process, feel is loose soft, has elasticity, it is block that outward appearance becomes, but loose without hard-core, the Daqu mycelia is plentiful sturdy, has normal Qu Xiang, is the Daqu that amylase activity, acid protease activity or fermenting power and esterification power all are significantly higher than produced in conventional processes on physical and chemical index;
7, adopt the wheel disc starter propagation machine, for koji production from the ultra-large foundation that provides of hundreds of ton even several ten thousand tons is provided on a small scale, accomplish scale production, greatly save manpower and financial resources, reduce production costs, increase productivity effect;
8, temperature is taked " slow very afterwards in front the chasing after ", during inoculation, the microorganism system growth mainly is the yeast and mold amount reproduction rapidly in earlier stage, and the product temperature rises rapidly, because the Daqu internal temperature is than wheel disc bulk temperature height nearly about 10 ℃, humidity is larger in the wheel disc, easily forms water of condensation, drops in to cause on the bent material that bent material is putrid and deteriorated, for guaranteeing spirit quality, humidity in the reduction wheel disc that needs to ventilate; After the humidity discharging stage finished, the Daqu temperature rose gradually, increases temperature with its Daqu temperature in good time, and temperature is controlled at 50 ℃, promoted the generation of bouquet principles matter, and the while controlling moisture is to satisfy required moisture of full fire; Most of unhelpful microorganism has been eliminated in the intensification in stage and tide fire stage by fermentation, and fungus strain is further purified; Rear fiery stage control temperature descends gradually, is beneficial to the drying of Daqu.
9, the present invention has avoided buckling in traditional koji and has turned over bent loaded down with trivial details and painstaking like this operation, has avoided the impact of environment on quality product, guarantees that indices all reaches or is better than traditional Daqu.
Embodiment
Further specify technical solution of the present invention below in conjunction with specific embodiment, these embodiment can not be interpreted as it is restriction to technical scheme.
Embodiment 1: add starter-making materials in the wheel disc starter propagation machine, the mass ratio of pulverizing wheat and pulverizing barley in the starter-making materials is 9:1, the Bacillus licheniformis that adds again its quality 5% in the starter-making materials gets compound, add the moistening compound of water, the mass ratio of compound and water is 3:2, start yeast machine with the song material turn make bacterial classification fully mixed evenly in wheel disc thickness remain on 25cm and carry out moisture-heat preservation and cultivate, through air-dry, store to get Daqu; Wherein, the process that moisture-heat preservation is cultivated is followed successively by fermentation stage, humidity discharging stage, tide fire stage, full fire and rear fire stage, fermentation stage: 32 ℃ of temperature, humidity 85%, time 1d; The humidity discharging stage: 42 ℃ of temperature,, humidity 50%, time 1d, air quantity 20-25 m
3/ h; The tide fire stage: temperature 50 C, humidity 80%, time 1d; Full fire: 54 ℃ of temperature, humidity 50%, time 1d; The rear fire stage: humidity 40%, 42 ℃ of first temperature are kept 1d, and 32 ℃ of temperature are kept 1d again.
Embodiment 2: add starter-making materials in the wheel disc starter propagation machine, the mass ratio of pulverizing wheat and pulverizing barley in the starter-making materials is 9:1, the subtilis that adds again its quality 5% in the starter-making materials gets compound, add the moistening compound of water, the mass ratio of compound and water is 3:2, start yeast machine with the song material turn make bacterial classification fully mixed evenly in wheel disc thickness remain on 25cm and carry out moisture-heat preservation and cultivate, through air-dry, store to get Daqu; Wherein, the process that moisture-heat preservation is cultivated is followed successively by fermentation stage, humidity discharging stage, tide fire stage, full fire and rear fire stage, fermentation stage: 32 ℃ of temperature, humidity 85%, time 1d; The humidity discharging stage: 42 ℃ of temperature,, humidity 50%, time 1d, air quantity 20-25 m
3/ h; The tide fire stage: temperature 50 C, humidity 80%, time 1d; Full fire: 54 ℃ of temperature, humidity 50%, time 1d; The rear fire stage: humidity 40%, 42 ℃ of first temperature are kept 1d, and 32 ℃ of temperature are kept 1d again.
Embodiment 3: add starter-making materials in the wheel disc starter propagation machine, the mass ratio of pulverizing wheat and pulverizing barley in the starter-making materials is 9:1, the Bacillus circulans that adds again its quality 5% in the starter-making materials gets compound, add the moistening compound of water, the mass ratio of compound and water is 3:2, start yeast machine with the song material turn make bacterial classification fully mixed evenly in wheel disc thickness remain on 25cm and carry out moisture-heat preservation and cultivate, through air-dry, store to get Daqu; Wherein, the process that moisture-heat preservation is cultivated is followed successively by fermentation stage, humidity discharging stage, tide fire stage, full fire and rear fire stage, fermentation stage: 32 ℃ of temperature, humidity 85%, time 1d; The humidity discharging stage: 42 ℃ of temperature,, humidity 50%, time 1d, air quantity 20-25 m
3/ h; The tide fire stage: temperature 50 C, humidity 80%, time 1d; Full fire: 54 ℃ of temperature, humidity 50%, time 1d; The rear fire stage: humidity 40%, 42 ℃ of first temperature are kept 1d, and 32 ℃ of temperature are kept 1d again.
The detection index of the Daqu sample that embodiment 1-3 is obtained and our factory's tradition Daqu sample compares, and the result is as shown in the table.
aEnzyme activity is by u/ (g dry medium).
Claims (2)
1. middle high-temperature daqu mechanized method for making, it is characterized in that: in the wheel disc starter propagation machine, add starter-making materials, the mass ratio of pulverizing wheat and pulverizing barley in the starter-making materials is 9:1, the bacterial classification that adds again its quality 5% in the starter-making materials gets compound, add the moistening compound of water, the mass ratio of compound and water is 3:2, start yeast machine with the song material turn make bacterial classification fully mixed evenly in wheel disc thickness remain on 25cm and carry out moisture-heat preservation and cultivate, through air-dry, store to get Daqu; Wherein, the process that moisture-heat preservation is cultivated is followed successively by fermentation stage, humidity discharging stage, tide fire stage, full fire and rear fire stage, fermentation stage: 32 ℃ of temperature, humidity 85%, time 1d; The humidity discharging stage: 42 ℃ of temperature,, humidity 50%, time 1d, air quantity 20-25 m
3/ h; The tide fire stage: temperature 50 C, humidity 80%, time 1d; Full fire: 54 ℃ of temperature, humidity 50%, time 1d; The rear fire stage: humidity 40%, 42 ℃ of first temperature are kept 1d, and 32 ℃ of temperature are kept 1d again.
2. middle high-temperature daqu mechanized method for making according to claim 1, it is characterized in that: wherein, bacterial classification is Bacillus licheniformis, subtilis or Bacillus circulans.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745394A (en) * | 2015-04-08 | 2015-07-01 | 江苏洋河酒厂股份有限公司 | Production method of soft-taste type medium-high temperature yeast |
| CN104962432A (en) * | 2015-07-29 | 2015-10-07 | 安徽古井贡酒股份有限公司 | Room culture method of medium-high temperature yeast |
| CN107129903A (en) * | 2017-06-21 | 2017-09-05 | 青岛琅琊台集团股份有限公司 | A kind of utilization chlorella pyrenoidosa powder prepares the production technology of high temperature Daqu |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104745394A (en) * | 2015-04-08 | 2015-07-01 | 江苏洋河酒厂股份有限公司 | Production method of soft-taste type medium-high temperature yeast |
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| CN104962432A (en) * | 2015-07-29 | 2015-10-07 | 安徽古井贡酒股份有限公司 | Room culture method of medium-high temperature yeast |
| CN104962432B (en) * | 2015-07-29 | 2017-06-20 | 安徽古井贡酒股份有限公司 | A kind of room culture method of high temperature Daqu |
| CN107129903A (en) * | 2017-06-21 | 2017-09-05 | 青岛琅琊台集团股份有限公司 | A kind of utilization chlorella pyrenoidosa powder prepares the production technology of high temperature Daqu |
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Application publication date: 20130424 |