The Relationship between Taste and Primary Structure of “Delicious Peptide” (Lys-Gly-Asp-Glu-Glu-Ser-Leu-Ala) from Beef Soup

Delicious peptide" was reported to be as delicious as beef soup.The peptide and its fragments were synthesized to study its taste active sites."Delicious peptide" was found to produce a umamiand a sour taste.By preparing several di-or tripeptides composedof basic or acidic amino acids, we found that the taste of "delicious peptide" was produced by an interaction between the basic and the acidic fragments in the peptide.* To whomenquiries should be addressed.