FOOD SCIENCE ›› 2005, Vol. 26 ›› Issue (2): 127-130.

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Study on Accumulation of γ-Aminobutyric Acid in Rice Germ by Hydrolysis of Trypsinase

 ZHANG  Hui, YAO  Hui-Yuan   

  1. College of Food Science and Technology, Southern Yangtze University
  • Online:2005-02-15 Published:2011-09-19

Abstract: The accumulation condition of γ-aminobutyric acid in rice germ by hydrolysis of tripsinase were studied. The optimum conditions were: temperature 45℃, pH8.0, and the ratio of rice germ to water 1/14. After 7h of hydrolyzing, 1.5g/ 100ml of rice germ were added to the solution and reacted continually for 6h. The content of γ-GABA in rice germ could reach as high as 2.26g/100g from the original 0.028g/100g.

Key words: γ-aminobutyric acid, rice germ, trypsinase, accumulation