... acid through glutamate decarboxylase, GABA, a kind of natural non-protein amino acid, is an important neurotransmitter ... The good of GABA Applications of GABA The natural GABA has been internationally recognized as the 21st ... tea, beverages and milk products. 3. as the natural ingredients used in coffee, chocolate, apple juice, cocoa, ... 56-12-2 Microbial fermentation,Rice bran, Natural, GABA,content 30