| abstract |
(57) [Summary] (Modified) [Objective] To provide a novel peptide derived from food, an angiotensin I converting enzyme inhibitor containing the same as an active ingredient, and a method for producing the same. [Structure] Sequence 1, Sequence 2, or Formula: Three types of polypeptides having an amino acid sequence represented by Leu-Lys-Leu. An angiotensin I converting enzyme inhibitor containing at least one thereof. A method for producing the inhibitor by hydrolyzing an actin protein. [Effect] It is useful as a blood pressure lowering agent and / or vasodilator in various foods and pharmaceuticals. |