... Catalytically converted from glutamic acid through glutamate decarboxylase, GABA, a kind of natural non-protein amino acid, is an ... , fermented food, bread, soup and other healthy and medical-treating food in Japan and some European countries. Specifications of GABA ... butter, toast, bread, instant noodles and other functional food and drinks. CAS NO. 56-12-2 Microbial fermentation,Rice bran, Natural ...