CN107549636A - A kind of method that beneficial bacterium fermentating metabolism product improves brown rice germination rate and sprouted unpolished rice quality - Google Patents
A kind of method that beneficial bacterium fermentating metabolism product improves brown rice germination rate and sprouted unpolished rice quality Download PDFInfo
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- CN107549636A CN107549636A CN201710823159.7A CN201710823159A CN107549636A CN 107549636 A CN107549636 A CN 107549636A CN 201710823159 A CN201710823159 A CN 201710823159A CN 107549636 A CN107549636 A CN 107549636A
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- sprouted unpolished
- rice
- brown rice
- unpolished rice
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Abstract
The invention discloses a kind of method that beneficial bacterium fermentating metabolism product improves brown rice germination rate and sprouted unpolished rice quality,This method carries out infiltration germination treatment with the fermentating metabolism product dilution of beneficial bacterium to brown rice,Abundant exocellular polysaccharide is included in the fermentating metabolism product of these beneficial bacteriums,Acidic metabolite,The life active material such as aromatic compound and amino acid,Germination of these materials to brown rice has good facilitation,Acidic metabolite is good biocide mildewcide,The germination environment of brown rice can be improved,Improve the antibacterial and mouldproof ability of sprouted unpolished rice,Aromatic compound can effectively improve the flavor of sprouted unpolished rice,Assign sprouted unpolished rice unique fragrance,In addition,The various active enzyme wherein contained,Amino acid then improves nutrition and the mouthfeel of sprouted unpolished rice,The sprouted unpolished rice finally obtained is in nutritive value,Eating mouth feel,Flavor,The aspect of performances such as storage cycle are superior to like product.
Description
Technical field
The present invention relates to cereal processing technology field, more particularly to a kind of beneficial bacterium fermentating metabolism product to improve brown rice germination
The method of rate and sprouted unpolished rice quality.
Background technology
With the improvement of living standards, consumer gradually increases the demand of healthy organic food, the drink of coarse food grain is eaten
Food concept is gradually popular, and market potential is huge.Compared with the rice of finishing, because brown rice is only that paddy sloughs outer protection skin
The intact preservation such as the caryopsis after layer, pericarp, kind skin, megarchidium layer, compared with common smart rice, vitamin, mineral matter, the meals of brown rice
Fiber equal size more horn of plenty is eaten, turns into the focus of choosing of consumer, but brown rice crude fiber content is high, causes cooking performance
Difference, eating mouth feel is poor, if being carried out germination treatment, will greatly improve the mouthfeel of brown rice, is produced in germination process substantial amounts of
γ-aminobutyric acid, this material have multiple biological activities, there is enhancing Abwehrkraft des Koepers, regulation blood glucose blood pressure, enhancing memory
And other effects, it is a kind of huge health staple food of market potential.
The production process of existing sprouted unpolished rice is substantially all including cleaning removal of impurities, immersion germination, germination post processing three
Step, wherein immersion germination treatment easily causes brown rice drastically to absorb water, percent cracked rice increases, and influences the form and product of final products
Matter reduces percent cracked rice, it is necessary to develop new production technology, improves the quality of sprouted unpolished rice.Chinese patent CN103976289B is public
A kind of production process of germinated brown rice using continuous variable humidification method as core has been opened, germination percentage has been improved, reduces nutrients
The loss of matter, it is more environmentally friendly, but this processing method, only using the moisture in brown rice as index, actual germination process is one
Individual complicated physiological change process, the activation and release of what is more important enzyme, could so obtain the more excellent hair of combination property
Bud brown rice product.
The content of the invention
The defects of present invention is in order to make up prior art, there is provided a kind of beneficial bacterium fermentating metabolism product improves brown rice germination rate
With the method for sprouted unpolished rice quality.
The present invention is achieved by the following technical solutions：
A kind of method that beneficial bacterium fermentating metabolism product improves brown rice germination rate and sprouted unpolished rice quality, comprises the following steps：
（1）It is prepared by fermentating metabolism product：Beneficial bacterium seed liquor is inoculated into sterilized liquid culture medium, under the conditions of 25-35 DEG C
65-80h is cultivated in shaking table, filtrate is then collected after filtration sterilization, for filtrate through centrifugal treating, collection supernatant then will be upper
Clear liquid is with aqua sterilisa according to 1:10-100 weight is more standby than well mixed；
（2）To process the obtained brown rice of moisture content≤14% is cleaned, disinfect after be sent into the greenhouse provided with atomizer
Interior, room temperature is 20-25 DEG C, opens atomizer, is passed through step（1）The solution of preparation, standing cloud, holding indoor humidity are
90-100%, when brown rice bud reaches 0.5-1.5mm, stopping is sprayed, and is sprayed 2-3 times with 20-25 DEG C of clear water；
（3）Drying and processing
By step（2）The sprouted unpolished rice of preparation, which is sent into hothouse, carries out drying and processing, and drying is dried using hot blast alternating temperature, drying
It is≤14% to brown rice or sprouted unpolished rice moisture content, storage packaging.
Described beneficial bacterium is the one or more in lactic acid bacteria, brewer's yeast, bacillus subtilis.
The step（1）The ratio of weight and number of middle seed liquor and sterilized liquid culture medium is 1:20-30.
The raw material of following parts by weight is included in described sterilized liquid culture medium：Starch 12-20, beef extract 5-20, albumen
Peptone 12-25, sodium chloride 5-6, water 1000-2000.
Described step（3）In sprouted unpolished rice alternating temperature drying mode for first sprouted unpolished rice ventilation per ton control exist
400m3/h-500m3/ h, ventilation temperature control to be controlled as 10h-20h, waste gas relative humidity control in 15 DEG C -25 DEG C, ventilation time
Make in 60%-80%, dry to grain of rice water content and reach 20-25%, it is 100m that then change, which controls ventilation,3/h -300m3/ h, lead to
Air temperature is 20 DEG C -35 DEG C, ventilation time control daily is 8-12h, the control of waste gas relative humidity is in 90-95%.
The present invention carries out infiltration germination treatment with the fermentating metabolism product dilution of beneficial bacterium to brown rice, these beneficial bacteriums
Lived in fermentating metabolism product comprising lives such as abundant exocellular polysaccharide, acidic metabolite, aromatic compound and amino acid
Property material, germination of these materials to brown rice have good facilitation, and acidic metabolite is good biocide mildewcide, can
Improve the germination environment of brown rice, improve the antibacterial and mouldproof ability of sprouted unpolished rice, it is rough that aromatic compound can effectively improve germination
The flavor of rice, assign sprouted unpolished rice unique fragrance, in addition, the various active enzyme wherein contained, amino acid then improve germination
The nutrition of brown rice and mouthfeel, the sprouted unpolished rice finally obtained is in performance sides such as nutritive value, eating mouth feel, flavor, storage cycles
Face is superior to like product.
Embodiment
A kind of method that beneficial bacterium fermentating metabolism product improves brown rice germination rate and sprouted unpolished rice quality, including following step
Suddenly：
（1）It is prepared by fermentating metabolism product：The seed mixture liquid of lactic acid bacteria and saccharomycete is inoculated into sterilized liquid culture medium,
75h is cultivated under the conditions of 30 DEG C in shaking table, filtrate is then collected after filtration sterilization, filtrate collects supernatant, so through centrifugal treating
Afterwards by supernatant and aqua sterilisa according to 1:50 weight is more standby than well mixed；
（2）To process the obtained brown rice of moisture content≤14% is cleaned, disinfect after be sent into the greenhouse provided with atomizer
Interior, room temperature is 20-25 DEG C, opens atomizer, is passed through step（1）The solution of preparation, standing cloud, holding indoor humidity are
95%, when brown rice bud reaches 1mm, stopping is sprayed, and is sprayed 2 times with 20-25 DEG C of clear water；
（3）Drying and processing
By step（2）The sprouted unpolished rice of preparation, which is sent into hothouse, carries out drying and processing, and drying is dried using hot blast alternating temperature, drying
It is≤14% to brown rice or sprouted unpolished rice moisture content, storage packaging.
Wherein step（1）The ratio of weight and number of middle seed liquor and sterilized liquid culture medium is 1:25.
The raw material of following parts by weight is wherein included in sterilized liquid culture medium：Starch 16, beef extract 15, peptone 18, chlorine
Change sodium 5, water 1500.
Step（3）In sprouted unpolished rice alternating temperature drying mode for first sprouted unpolished rice ventilation per ton control in 450m3/
H, ventilation temperature control 20 DEG C, ventilation time control be 15h, the control of waste gas relative humidity 75%, drying is aqueous to the grain of rice
Amount reaches 22%, and it is 200m that then change, which controls ventilation,3/ h, ventilation temperature are 25 DEG C, ventilation time control daily is 10h, useless
Gas phase is to humid control 95%.
Claims (5)
1. a kind of method that beneficial bacterium fermentating metabolism product improves brown rice germination rate and sprouted unpolished rice quality, it is characterised in that bag
Include following steps：
（1）It is prepared by fermentating metabolism product：Beneficial bacterium seed liquor is inoculated into sterilized liquid culture medium, under the conditions of 25-35 DEG C
65-80h is cultivated in shaking table, filtrate is then collected after filtration sterilization, for filtrate through centrifugal treating, collection supernatant then will be upper
Clear liquid is with aqua sterilisa according to 1:10-100 weight is more standby than well mixed；
（2）To process the obtained brown rice of moisture content≤14% is cleaned, disinfect after be sent into the greenhouse provided with atomizer
Interior, room temperature is 20-25 DEG C, opens atomizer, is passed through step（1）The solution of preparation, standing cloud, holding indoor humidity are
90-100%, when brown rice bud reaches 0.5-1.5mm, stopping is sprayed, and is sprayed 2-3 times with 20-25 DEG C of clear water；
（3）Drying and processing
By step（2）The sprouted unpolished rice of preparation, which is sent into hothouse, carries out drying and processing, and drying is dried using hot blast alternating temperature, drying
It is≤14% to brown rice or sprouted unpolished rice moisture content, storage packaging.
2. a kind of beneficial bacterium fermentating metabolism product as claimed in claim 1 improves the side of brown rice germination rate and sprouted unpolished rice quality
Method, it is characterised in that described beneficial bacterium is the one or more in lactic acid bacteria, brewer's yeast, bacillus subtilis.
3. a kind of beneficial bacterium fermentating metabolism product as claimed in claim 1 improves the side of brown rice germination rate and sprouted unpolished rice quality
Method, it is characterised in that the step（1）The ratio of weight and number of middle seed liquor and sterilized liquid culture medium is 1:20-30.
4. a kind of beneficial bacterium fermentating metabolism product as described in claim 1 or 3 improves brown rice germination rate and sprouted unpolished rice quality
Method, it is characterised in that the raw material of following parts by weight is included in described sterilized liquid culture medium：Starch 12-20, beef extract
5-20, peptone 12-25, sodium chloride 5-6, water 1000-2000.
5. a kind of beneficial bacterium fermentating metabolism product as claimed in claim 1 improves the side of brown rice germination rate and sprouted unpolished rice quality
Method, it is characterised in that described step（3）In sprouted unpolished rice alternating temperature drying mode for first sprouted unpolished rice ventilation control per ton
System is in 400m3/h-500m3It is 10h-20h that/h, ventilation temperature, which are controlled and controlled in 15 DEG C -25 DEG C, ventilation time, waste gas is relatively wet
Degree is controlled in 60%-80%, is dried to grain of rice water content and is reached 20-25%, and it is 100m that then change, which controls ventilation,3/h -300m3/
H, ventilation temperature is 20 DEG C -35 DEG C, ventilation time control daily is 8-12h, the control of waste gas relative humidity is in 90-95%.
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Cited By (3)
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| CN108651665A (en) * | 2018-08-30 | 2018-10-16 | 成都南野食品有限公司 | A kind of preparation method of quinoa tea |
| CN109430025A (en) * | 2018-12-28 | 2019-03-08 | 河北省农林科学院谷子研究所 | The method of industrialized production germination maize |
| CN109730252A (en) * | 2019-01-31 | 2019-05-10 | 渤海大学 | A method of improving full cereal edible quality |
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