CN103330148B - Cultivation method for germinated brown rice - Google Patents
Cultivation method for germinated brown rice Download PDFInfo
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- CN103330148B CN103330148B CN201310307069.4A CN201310307069A CN103330148B CN 103330148 B CN103330148 B CN 103330148B CN 201310307069 A CN201310307069 A CN 201310307069A CN 103330148 B CN103330148 B CN 103330148B
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Abstract
The invention discloses a cultivation method for germinated brown rice. The cultivation method comprises the steps of A cleaning, B, disinfection before cultivation, C, thermal treatment before cultivation, D, infiltration for the first time, E, infiltration for the second time, F, germination cultivation, G, disinfection after cultivation, and H, drying. The cultivation method for germinated brown rice can solve the defects of the prior art and remarkably improve the content of Gamma-aminobutyric acid in the germinated brown rice through reasonable cultivation environment parameters and the content of nutrient substance for cultivation.
Description
Technical field
The present invention relates to sprouted unpolished rice preparing technical field, especially a kind of cultural method of sprouted unpolished rice.
Background technology
Brown rice contains whole nutrition of paddy, and sprouted unpolished rice is exactly take brown rice as raw material, through a series of biochemical change, product is made to possess several physiological active substances, improve significantly to the health of people, meanwhile, product has special delicate fragrance and suitable mouthfeel.Transform through biotechnology activation utilization brown rice self enzyme system and generate the contour active physiological substances of natural GABA, the added value of one jin of sprouted unpolished rice improves 13 times.
In brown rice, the nutrient of about 64% concentrates in the aleurone (being commonly called as rice bran) and plumule accounting for brown rice weight 10%, sprouted unpolished rice both remained aleurone, the various nutritional labeling of enrichment because of germination again, especially the conversion of brown rice self enzyme is utilized to create a large amount of gamma-aminobutyric acid, it is a kind of physiologically active ingredient human brain, blood vessel, nerve, internal organs etc. being had to multiple pharmacological effect, therefore, sprouted unpolished rice has more nutrition and health care function than common rice, and market prospects are very wide.
Sprouted unpolished rice prepared by prior art, after dry, the content of GABA is generally 150 ~ 200mg/100g, and the content how improving GABA further becomes the important subject of food service industry technical staff.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cultural method of sprouted unpolished rice, can solve the deficiencies in the prior art, by the content of reasonable culture environment parameter and cultivation nutriment, significantly improves the content of GABA in sprouted unpolished rice.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows.
A cultural method for sprouted unpolished rice, step is as follows:
A, cleaning
Use flowing clear water to clean the grain of rice, drain away the water;
Sterilization before B, cultivation
Use the Ultraviolet radiation grain of rice, and pass into ozonization 10 ~ 20 minutes;
Heat treatment before C, cultivation
The water grain of rice being put into water temperature 50 DEG C ~ 70 DEG C carries out immersion 1 ~ 2 hour;
D, first time infiltrate
In the grain of rice, add the clear water being equivalent to grain of rice cumulative volume 3 ~ 5 times, clear water temperature controls, at 30 DEG C ~ 40 DEG C, to add zinc sulfate, ferrous sulfate, sodium selenite in clear water, soaks 1 ~ 3 hour, passes into the air of 2L/min in immersion process in water,
The concentration of above-mentioned various additive is:
Zinc sulfate 0.6mmol/L
Ferrous sulfate 0.4mmol/L
Sodium selenite 0.05mmol/L;
E, second time infiltrate
The grain of rice infiltrated in above-mentioned steps D is taken out, rinse with clear water, then the clear water being equivalent to grain of rice cumulative volume 3 ~ 5 times is added, clear water temperature controls, at 40 DEG C ~ 50 DEG C, to add phosphoric acid, ph value is adjusted to 3 ~ 5 in clear water, gibberellin, phosphopyridoxamine, zytase, cellulase, chitosan is added again in clear water, soak 3 ~ 7 hours, in water, in immersion process, pass into the air of 2L/min
The concentration of above-mentioned various additive is:
Gibberellin 0.1mg/L
Phosphopyridoxamine 0.08mg/L
Zytase 0.23mg/L
Cellulase 0.3mg/L
Chitosan 0.5mg/L;
F, cultivation of germinateing
The grain of rice infiltrated through above-mentioned steps E is taken out, use clear water rinses, put into culture medium and carry out germination cultivation, temperature controls at 27 DEG C ~ 35 DEG C, nutrient solution was used to spray the grain of rice every one hour, and the grain of rice observation germination bud that random selecting at least accounts for total amount 1% is long, after average bud length is more than 0.5mm, stops germinateing and cultivates.
Above-mentioned nutrient solution adds many kinds of substance by water and is mixed, and finally add phosphoric acid and ph value is adjusted to 3 ~ 5, in nutrient solution, the content of various material is respectively:
Potassium glutamate 20mg/L
Calcium nitrate 35mg/L
Manganese sulfate 25mg/L
Sodium molybdate 10mg/L
Magnesium sulfate 15mg/L
Boric acid 3mg/L;
Sterilization after G, cultivation
The grain of rice after above-mentioned germination is taken out from culture medium, uses clear water to rinse, and then use the alcoholic solution of 70% ~ 75% to carry out soaking disinfection 3 ~ 5 minutes;
H, drying
Serviceability temperature is that the hot blast of 40 DEG C ~ 50 DEG C carries out aeration-drying, and the water content of the grain of rice is dried to 15% ~ 12%.
As a preferred technical solution of the present invention, in step F, the composition of culture medium is plant ash.
As a preferred technical solution of the present invention, in step F, applying an intensity to the grain of rice is 1T, and the grain of rice is the magnetic field of 3.5m/s for magnetic force line cutting speed.
The beneficial effect adopting technique scheme to bring is: by clean water, by the Impurity removal of grain of rice appearance.Combine sterilization by ultraviolet and ozone, effectively can kill the harmful microorganism on the grain of rice, reduce going mouldy of germination process mesogranule.And ultraviolet and ozonization are without any residual, relative to other disinfection way, can not pollute the grain of rice itself.Before formal cultivation, use hot water to carry out immersion treatment, the micro gap on grain of rice surface can be increased, improve the absorbability about 20% on grain of rice surface, the absorption of subsequent step mesogranule to various nutriment can be improved.Different nutriments is thrown in absorption respectively, avoids the mutual adverse effect between various material.First time infiltrates and adds various beneficial mineral prime element, improves the content of zinc, iron, selenium in the grain of rice.When second time infiltrates, the gibberellin that adds is natural phytohormone, can promote that plumule grows, and phosphopyridoxamine is the coenzyme of transaminase in amino acid metabolism and decarboxylase, can improve the generation of GABA.Zytase, cellulase and chitosan can decompose carbohydrate, the cellulose on grain of rice surface, are conducive to the grain of rice and germinate.While infiltration, in water, pass into air, the oxygen content in water can be improved, improve the germination percentage of the grain of rice.Culture medium adopts plant ash, can increase the gas permeability of the grain of rice on the one hand, contains abundant mineral matter and nutritional labeling in addition, can reduce the use amount of nutrient solution in plant ash, cost-saving.Nutrient solution provides the trace elements such as calcium, potassium, nitrogen, phosphorus, boron, manganese, molybdenum, magnesium and synthesizes the necessary ionotropic glutamate of GABA to the grain of rice, further increase the quality of sprouted unpolished rice.While cultivating, add the magnetic field of change, the biologically active of the grain of rice can be improved, improve germination percentage.Find through overtesting, under above-mentioned condition of culture, the bud length that the grain of rice germinates is when 0.5mm, the content of GABA reaches peak, this needs to stop cultivating during the long 1mm ~ 1.5mm of bud compared with Nostoc commune Vanch, and incubation time shortens, and the content of GABA increases.While using alcohol to carry out disinfection to the brown rice after cultivation, can also remove due to the peculiar smell produced that germinates, in addition, alcohol high volatility, to human non-toxic's side effect.Use the method for auxiliary hot aeration-drying, content and the composition of the nutriment in the grain of rice can be retained to greatest extent.
Detailed description of the invention
A cultural method for sprouted unpolished rice, is characterized in that step is as follows:
A, cleaning
Use flowing clear water to clean the grain of rice, drain away the water;
Sterilization before B, cultivation
Use the Ultraviolet radiation grain of rice, and pass into ozonization 15 minutes;
Heat treatment before C, cultivation
The water grain of rice being put into water temperature 60 DEG C carries out immersion 1.5 hours;
D, first time infiltrate
In the grain of rice, add the clear water being equivalent to grain of rice cumulative volume 4 times, clear water temperature controls, at 35 DEG C, to add zinc sulfate, ferrous sulfate, sodium selenite in clear water, soaks 2 hours, passes into the air of 2L/min in immersion process in water,
The concentration of above-mentioned various additive is:
Zinc sulfate 0.6mmol/L
Ferrous sulfate 0.4mmol/L
Sodium selenite 0.05mmol/L;
E, second time infiltrate
The grain of rice infiltrated in above-mentioned steps D is taken out, rinse with clear water, then the clear water being equivalent to grain of rice cumulative volume 4 times is added, clear water temperature controls, at 45 DEG C, in clear water, to add phosphoric acid, and ph value is adjusted to 4, gibberellin, phosphopyridoxamine, zytase, cellulase, chitosan is added again in clear water, soak 6 hours, in water, in immersion process, pass into the air of 2L/min
The concentration of above-mentioned various additive is:
Gibberellin 0.1mg/L
Phosphopyridoxamine 0.08mg/L
Zytase 0.23mg/L
Cellulase 0.3mg/L
Chitosan 0.5mg/L;
F, cultivation of germinateing
The grain of rice infiltrated through above-mentioned steps E is taken out, use clear water rinses, put into culture medium and carry out germination cultivation, temperature controls at 30 DEG C, used nutrient solution to spray the grain of rice every one hour, and the grain of rice observation germination bud that random selecting accounts for total amount 1% is long, after average bud length is more than 0.5mm, stop germinateing and cultivate
Above-mentioned nutrient solution adds many kinds of substance by water and is mixed, and finally add phosphoric acid and ph value is adjusted to 4, in nutrient solution, the content of various material is respectively:
Potassium glutamate 20mg/L
Calcium nitrate 35mg/L
Manganese sulfate 25mg/L
Sodium molybdate 10mg/L
Magnesium sulfate 15mg/L
Boric acid 3mg/L;
Sterilization after G, cultivation
The grain of rice after above-mentioned germination is taken out from culture medium, uses clear water to rinse, and then use the alcoholic solution of 73% to carry out soaking disinfection 4 minutes;
H, drying
Serviceability temperature is that the hot blast of 42 DEG C carries out aeration-drying, and the water content of the grain of rice is dried to 14%.
It should be noted that in step F, the composition of culture medium is plant ash.
In addition, in step F, applying an intensity to the grain of rice is 1T, and the grain of rice is the magnetic field of 3.5m/s for magnetic force line cutting speed.
By clean water, by the Impurity removal of grain of rice appearance.Combine sterilization by ultraviolet and ozone, effectively can kill the harmful microorganism on the grain of rice, reduce going mouldy of germination process mesogranule.And ultraviolet and ozonization are without any residual, relative to other disinfection way, can not pollute the grain of rice itself.Before formal cultivation, use hot water to carry out immersion treatment, the micro gap on grain of rice surface can be increased, improve the absorbability about 20% on grain of rice surface, the absorption of subsequent step mesogranule to various nutriment can be improved.Different nutriments is thrown in absorption respectively, avoids the mutual adverse effect between various material.First time infiltrates and adds various beneficial mineral prime element, improves the content of zinc, iron, selenium in the grain of rice.When second time infiltrates, the gibberellin that adds is natural phytohormone, can promote that plumule grows, and phosphopyridoxamine is the coenzyme of transaminase in amino acid metabolism and decarboxylase, can improve the generation of GABA.Zytase, cellulase and chitosan can decompose carbohydrate, the cellulose on grain of rice surface, are conducive to the grain of rice and germinate.While infiltration, in water, pass into air, the oxygen content in water can be improved, improve the germination percentage of the grain of rice.Culture medium adopts plant ash, can increase the gas permeability of the grain of rice on the one hand, contains abundant mineral matter and nutritional labeling in addition, can reduce the use amount of nutrient solution in plant ash, cost-saving.Nutrient solution provides the trace elements such as calcium, potassium, nitrogen, phosphorus, boron, manganese, molybdenum, magnesium and synthesizes the necessary ionotropic glutamate of GABA to the grain of rice, further increase the quality of sprouted unpolished rice.While cultivating, add the magnetic field of change, the biologically active of the grain of rice can be improved, improve germination percentage.Find through overtesting, under above-mentioned condition of culture, the bud length that the grain of rice germinates is when 0.5mm, the content of GABA reaches peak, this needs to stop cultivating during the long 1mm ~ 1.5mm of bud compared with Nostoc commune Vanch, and incubation time shortens about 1 times, and the content of GABA increases.While using alcohol to carry out disinfection to the brown rice after cultivation, can also remove due to the peculiar smell produced that germinates, in addition, alcohol high volatility, to human non-toxic's side effect.Use the method for auxiliary hot aeration-drying, content and the composition of the nutriment in the grain of rice can be retained to greatest extent.
Following table is the comparative test result making differently to carry out sprouted unpolished rice cultivation.
Known by upper table, the present invention can improve content and the germination percentage of alpha-aminobutyric acid content in sprouted unpolished rice greatly.And be rich in the various trace element useful to human body, added value is high.
Foregoing description only proposes, not as the single restrictive condition to its technical scheme itself as the enforceable technical scheme of the present invention.
Claims (2)
1. a cultural method for sprouted unpolished rice, is characterized in that step is as follows:
A, cleaning
Use flowing clear water to clean the grain of rice, drain away the water;
Sterilization before B, cultivation
Use the Ultraviolet radiation grain of rice, and pass into ozonization 15 minutes;
Heat treatment before C, cultivation
The water grain of rice being put into water temperature 50 DEG C ~ 70 DEG C carries out immersion 1 ~ 2 hour;
D, first time infiltrate
In the grain of rice, add the clear water being equivalent to grain of rice cumulative volume 4 times, clear water temperature controls, at 35 DEG C, to add zinc sulfate, ferrous sulfate, sodium selenite in clear water, soaks 2 hours, passes into the air of 2L/min in immersion process in water,
The concentration of above-mentioned various additive is:
Zinc sulfate 0.6mmol/L
Ferrous sulfate 0.4mmol/L
Sodium selenite 0.05mmol/L;
E, second time infiltrate
The grain of rice infiltrated in above-mentioned steps D is taken out, rinse with clear water, then the clear water being equivalent to grain of rice cumulative volume 4 times is added, clear water temperature controls, at 45 DEG C, to add phosphoric acid, pH value is adjusted to 4 in clear water, gibberellin, phosphopyridoxamine, zytase, cellulase, chitosan is added again in clear water, soak 6 hours, in water, in immersion process, pass into the air of 2L/min
The concentration of above-mentioned various additive is:
Gibberellin 0.1mg/L
Phosphopyridoxamine 0.08mg/L
Zytase 0.23mg/L
Cellulase 0.3mg/L
Chitosan 0.5mg/L;
F, cultivation of germinateing
The grain of rice infiltrated through above-mentioned steps E is taken out, use clear water rinses, put into culture medium and carry out germination cultivation, temperature controls at 27 DEG C ~ 35 DEG C, uses nutrient solution to spray the grain of rice every one hour, and the grain of rice observation germination bud that random selecting at least accounts for total amount 1% is long, meanwhile applying an intensity to the grain of rice is 1T, and the grain of rice is the magnetic field of 3.5m/s for magnetic force line cutting speed, after average bud length is more than 0.5mm, stop germinateing and cultivate
Above-mentioned nutrient solution adds many kinds of substance by water and is mixed, and finally adds phosphoric acid and pH value is adjusted to 3 ~ 5, and in nutrient solution, the content of various material is respectively:
Potassium glutamate 20mg/L
Calcium nitrate 35mg/L
Manganese sulfate 25mg/L
Sodium molybdate 10mg/L
Magnesium sulfate 15mg/L
Boric acid 3mg/L;
Sterilization after G, cultivation
The grain of rice after above-mentioned germination is taken out from culture medium, uses clear water to rinse, and then use the alcoholic solution of 70% ~ 75% to carry out soaking disinfection 3 ~ 5 minutes;
H, drying
Serviceability temperature is that the hot blast of 40 DEG C ~ 50 DEG C carries out aeration-drying, and the water content of the grain of rice is dried to 15% ~ 12%.
2. the cultural method of sprouted unpolished rice according to claim 1, is characterized in that: in step F, and the composition of culture medium is plant ash.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103750167B (en) * | 2014-02-12 | 2015-04-22 | 南京丰禾生物科技有限公司 | Composite nutrient powder of zinc-rich germinated brown rice and production technology thereof |
| CN104041654B (en) * | 2014-06-27 | 2016-03-02 | 中南林业科技大学 | A kind of tissue culture method produces the method for selenium-rich rice albumen |
| CN104206982A (en) * | 2014-09-30 | 2014-12-17 | 南京飞马食品有限公司 | High-nutrition active brown rice manufacturing method |
| CN104351660B (en) * | 2014-11-17 | 2017-09-26 | 江苏瑞谷安隆生态农业科技有限公司 | The preparation method of high gamma aminobutyric acid sprouted unpolished rice and selenium-rich germinated brown rice |
| CN106071855A (en) * | 2016-06-15 | 2016-11-09 | 中南林业科技大学 | A kind of processing method of the fructus zizaniae caduciflorae and products thereof that germinates |
| CN106576498A (en) * | 2016-12-23 | 2017-04-26 | 四川大农和农业开发有限公司 | Production method of germinated brown rice and application thereof |
| CN108094841A (en) * | 2017-11-11 | 2018-06-01 | 浙江大学 | Improve the freeze-thaw method of brown rice mouthfeel |
| CN109303263A (en) * | 2018-01-22 | 2019-02-05 | 黑龙江省农垦科学院 | A kind of production method of sprouted unpolished rice |
| CN113057313A (en) * | 2021-04-15 | 2021-07-02 | 贵州纳雍农和牧业有限责任公司 | Preparation method of selenium-rich amino acid wheat sauce |
| CN113907159A (en) * | 2021-10-16 | 2022-01-11 | 湖南米米梦工场科技股份有限公司 | Production method of rice sprout tea |
| CN115868601A (en) * | 2023-01-09 | 2023-03-31 | 合肥工业大学 | Germinated parboiled rice and preparation method thereof |
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| CN101653216A (en) * | 2009-09-15 | 2010-02-24 | 南京农业大学 | Germinated brown rice rich in bioactive peptide and production method thereof |
| CN102429176A (en) * | 2011-11-29 | 2012-05-02 | 东北农业大学 | Production process of germinated brown rice |
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Patent Citations (5)
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|---|---|---|---|---|
| CN101181033A (en) * | 2007-12-06 | 2008-05-21 | 刘来法 | Method for processing fast cooking germination husked rice and germination dehusked rice maded thereout |
| CN101283754A (en) * | 2008-04-29 | 2008-10-15 | 华中农业大学 | Production method of active germinated unpolished rice and its products |
| CN101653216A (en) * | 2009-09-15 | 2010-02-24 | 南京农业大学 | Germinated brown rice rich in bioactive peptide and production method thereof |
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| CN102696983A (en) * | 2012-06-20 | 2012-10-03 | 山东美晶米业有限公司 | Germinated brown rice nutrition tablet and preparation method thereof |
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