1 ,It is natural GABA which is from the biotransformation of rice bran. 2 ,The content series we produced ... through glutamate decarboxylase, GABA, a kind of natural non-protein amino acid, is an important neurotransmitter ... tea, beverages and milk products. 3. as the natural ingredients used in coffee, chocolate, apple juice, cocoa ... NO. 56-12-2 Microbial fermentation,Rice bran, Natural, GABA,content 80