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Method for producing gamma-aminobutyric acid enriched high milled rice, and product thereof

A production method, the technology of aminobutyric acid, applied in the field of food biology, can solve the problems of difficult control of microorganisms and high price, and achieve the effect of good appearance and taste, low cost, and improved GAD activity

Inactive Publication Date: 2006-03-29
建昊(南京)健康科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Technical Problems The production method provided by the present invention is aimed at the eating habits of Chinese people. After germinating and whitening brown rice that is rich in nutrients but has a brownish yellow color and poor taste, a brown rice that is similar in appearance and taste to ordinary white rice and rich in GABA is obtained. polished white rice; the second is to adopt processes such as disinfection, liquid immersion, and regular replacement of culture medium, which avoids the problem that microorganisms are difficult to control when cultivating germinated brown rice in a semi-dry method; the third is to use V B6 Instead of expensive pyridoxal phosphate (PLP), with CaCl 2 Increase the activity of GAD together, so that a large amount of GABA can be enriched in germinated brown rice. This production method has the advantages of low cost and good effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Use a browning machine to remove the rice husk to obtain brown rice. Select brown rice with full grains, immerse it in 0.5% sodium hypochlorite solution for 30 minutes, and then rinse it with water for several times. Put the sterilized brown rice in a nylon mesh bag, soak it in the culture medium according to the ratio of brown rice: culture medium 1:3, and cultivate it at 0.5-2.0L min -1 The air flow is aerated for culture. In the range of 16°C to 40°C, cultivate and germinate at a constant temperature in the dark, change the water every 12 hours, take out the brown rice after germinating for 72 hours, and dry it at a temperature of 40°C to 65°C. Brown rice at 32°C with an air flow of 1.0L min -1 After 72 hours of germination and dark conditions, after drying and whitening, the GABA content in the polished white rice obtained is 14.22mg·100g -1 .

Embodiment 2

[0042] As described in Example 1, take a certain weight of brown rice, after soaking and disinfecting, select CaCl 2 The concentration is 0.25~1.00g·L -1 Soak brown rice in the solution, and use 1.5L·min -1 The air flow is passed into the air, the culture temperature is 32°C, and the germination is 72h. After the germinated brown rice is dried and whitened, the GABA content in the polished white rice obtained is 14.98mg·100g -1 .

example 1

[0044] As described in Example 1, take a certain weight of brown rice, after soaking and sterilizing, incubate at a temperature of 32°C with an aeration rate of 1.5L min -1 Cultivated under certain conditions, the added composition is: 5g.L -1 ASA and 1g·L -1 In MSG mixed culture medium, after 48 hours of cultivation, the GABA content in the finished product reaches 13.49mg·100g -1 .

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Abstract

A process for preparing the refined rice rich in gamma-aminobutanoic acid (GABA) includes such steps as preparing the culture liquid from CaCl2, sodium glutamate or glutamine, ascorbic acid or lactic acid, and B6 proportionally, immersing the long-grained non-glutinous rice grains in it, culturing while filling gas until they are germinated and rich in GABA, drying and milling.

Description

1. Technical field: [0001] The present invention relates to a method for producing polished white rice rich in γ-aminobutyric acid (GABA) and its products, and the specific content relates to a method for preparing polished white rice rich in GABA by using enzyme biotechnology in the germination process of brown rice, which belongs to food biotechnology field. 2. Technical background: [0002] γ-Aminobutyric acid (γ-Aminobutyric acid, GABA) as a non-protein amino acid widely exists in animals and plants. As an important neurotransmitter in the human body, GABA has physiological effects such as lowering blood pressure, improving blood circulation in the brain, calming the nerves, strengthening the kidney, benefiting the liver, and improving lipid metabolism. Foods rich in GABA have health effects and can be used as a functional food, so their development and research have also received attention. When brown rice germinates, a large number of zymogens are activated and relea...

Claims

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Application Information

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IPC IPC(8): A23L1/30A23L1/202A23L33/10A23L33/16A23L33/175
Inventor 顾振新韩永斌王玉萍蒋振晖
Owner 建昊(南京)健康科技有限公司
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