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Biosci Biotechnol Biochem. 2006 May;70(5):1160-5.

Accumulation of gamma-aminobutyric acid in rice germ using protease.

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  • 1Key Laboratory of Food Science and Safety, Ministry of Education, Jiangsu, P. R. China. hui1002@hotmail.com


The accumulation of gamma-aminobutyric acid (GABA) in the rice germ by using protease was investigated. After the proteolytic hydrolysis of germ protein by trypsin, the amount of GABA reached about 2.26 g per 100 g of germ. This demonstrates that the GABA yield could be significantly increased by protease. Our method is efficient and safe for manufacturing health food enriched with GABA.

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