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Method for preparing gamma-amino butyric acid rich type rice germ flour, and its application

A kind of GABA rice and GABA technology, which can be used in application, food preparation, protein food processing, etc., can solve the problems of waste of high-quality resources, germ shedding, etc., achieve rich nutrition, excellent physiological functions, and improve comprehensive utilization value Effect

Inactive Publication Date: 2006-04-05
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of rice processing, most of the germ falls off into the by-products rice selenium and rice bran. At present, the rice germ is not taken out for use in the rice processing process, resulting in a waste of high-quality resources.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Weigh 15kg of rice germ, add 105kg of water, add 7g of CaCl 2 , shaking at pH 5.6 and 40°C for 7 hours. The reactants are colloidally milled and spray-dried to obtain GABA-rich rice germ powder.

Embodiment 2

[0028] Weigh 15kg of rice germ, add 210kg of water, add 1-3kg of trypsin, 45°C, pH8.0, react for 7 hours. After inactivating the enzyme at 80° C. for 15 minutes, cool to 40° C., add 3 kg of rice germ, continue the reaction for 6 hours, pulverize the reactant in a colloid mill, and spray-dry to obtain GABA-rich rice germ powder.

Embodiment 3

[0030] Weigh 15kg of rice germ, add 150kg of 0.08mol / L, pH5.6 phosphate buffer, add 5kg of sodium glutamate, add 16g of pyridoxal phosphate, add 67g of CaCl 2 , the temperature is 40° C., and the reaction is carried out for 6 hours, the reactant is colloidally pulverized, and spray-dried to obtain rice germ powder rich in GABA.

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PUM

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Abstract

A rice embryo bud powder rich in gamma-aminobutanoic acid (GABA) is prepared from rice embryo bud and optional proteinase or sodium glutamate through hydrolyzing or direct conversion. It can be used to prepare the health-care food for resisting fatigue.

Description

technical field [0001] A preparation method and application of rice germ powder rich in γ-aminobutyric acid belong to the technical field of rice deep processing. Background technique [0002] As the primary tissue and meristematic tissue of cereal grains, rice germ is the most physiologically active part of the grain, accounting for 2-2.2% of rice and 2.6-2.9% of brown rice by weight, and is a by-product of grain processing. During the rice processing process, most of the germ falls off into the by-products rice selenium and rice bran. At present, the rice germ is not taken out and utilized in the rice processing process, resulting in a waste of high-quality resources. [0003] As the essence of rice, rice germ is very nutritious, its protein and lipid content are more than 20%, the amino acid composition in protein is relatively balanced, and the proportion of essential amino acids for human body is in line with the reasonable nutritional mode recommended by FAO / WHO. Ther...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/105A23L1/305A23J3/34A23L33/175
Inventor 张晖姚惠源
Owner JIANGNAN UNIV