... which is from the biotransformation of rice acrospire. 2.It is natural 3,Unique What is Gamma amino butyric acid (GABA) ... from glutamic acid through glutamate decarboxylase, GABA, a kind of natural non-protein amino acid, is an important neurotransmitter of the ... and other functional food and drinks. Model 5,Microbial fermentation,Natural,Rice acrospire powder rich in gamma-amino butyric acid (GABA)