... through glutamate decarboxylase, GABA, a kind of natural non-protein amino acid, is an important neurotransmitter ... milk products. 3. as the natural ingredients used in coffee, chocolate, apple juice, cocoa, yogurt, milk sugar, butter, ... toast, bread, instant noodles and other functional food and drinks. Model 5,Microbial fermentation,Natural,Rice acrospire powder ...