| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new peptide having prolyl endopeptidase inhibiting activity from a protease decomposition liquid of saury scale. Ž<P>SOLUTION: Peptides comprising Ile-Gly-Phe-Pro-Leu-Pro, Ala-Ile-Leu-Pro-Pro, Ile-His-Val-Pro-Pro and Ile-Thr-Pro-Pro-Pro having prolyl endopeptidase inhibiting activity, developing antiamnestic effect in vivo and having extremely low toxicity are produced from saury scale by treating the scale with a protease, etc. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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