| 摘要 |
To provide ACE inhibitory peptides which can effectively inhibit ACE by a small amount of ingestion and have no fear of causing side effects and which can be orally ingested easily during daily life by persons having high blood pressure, and compositions comprising the peptides. The peptides represented by the following structural formulae (1) to (9), and salts thereof are provided. (1) Asp-Arg-Pro, (2) Asn-Trp, (3) Val-Gly-Leu, (4) Ile-Gly-Val, (5) Gly-Val-Pro, (6) Ile-Pro-Tyr, (7) pyroGlu-Pro, (8) Tyr-Thr, (9) Pro-Trp
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