| abstract |
(57) [Abstract] [Purpose] A safe substance that suppresses an increase in blood pressure by effectively inhibiting angiotensin-converting enzyme was found in food materials, and the structure of the inhibitor was clarified. To provide a food material containing an angiotensin-converting enzyme inhibitory substance. [Structure] A soybean protein solution is decomposed by a protein hydrolase, immediately adsorbed on a reverse phase partitioning resin, and eluted with a hydrous alcohol to produce an angiotensin converting enzyme inhibitor. |