| 摘要 |
NEW MATERIAL:L-prolyl-L-tyrosyl-L-proline and its acid addition salt. USE:A hypotensor. It has angiotensinase inhibiting activity and low toxicity and is expected to be useful as a medicine or health food, etc., for depressing the blood pressure level. PREPARATION:Amino acid are introduced into a desired sequence e.g. by a peptide synthesis comprising a proper combination of the protection, condensation and deprotection of NH2 group or COOH group of amino acid. |
