Kokumi is one of the sixth basic taste candidates, whose addition to food can enhance the thickness, mouthfulness, continuity and harmony of taste. As a result, kokumi-related flavor products have a great potential to be developed and marketed. γ-Glutamyl peptides with kokumi flavor are an important class of kokumi substances, also called γ-kokumi peptides, composed of γ-glutamyl and amino acid/polypeptide, which could be synthesized by γ-glutamyl transpeptidase(GGT). In this paper, the structural characteristics and food sources of γ-koku...
