... glutamic acid through glutamate decarboxylase, GABA, a kind of natural non-protein amino acid, is an important neurotransmitter of the ... , frozen food, wine, fermented food, bread, soup and other healthy and medical-treating food in Japan and some European countries ... other functional food and drinks. Model 5,Microbial fermentation,Natural,Rice acrospire powder rich in gamma-amino butyric acid (GABA)