| 摘要 |
PROBLEM TO BE SOLVED: To provide an extract, etc., containingγ-aminobutyric acid in high concentration by using a natural food material. SOLUTION:γ-Aminobutyric acid is produced by fermenting a tea component with lactobacillus in the presence of an active glutaminase.γ-Aminobutyric acid is produced from theanine and glutamic acid in the tea component. COPYRIGHT: (C)2007,JPO&INPIT
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