PROBLEM TO BE SOLVED: To provide a novel peptide which can exhibit antihypertensive effects by inhibiting an angiotensin converting enzyme to treat, improve, or prevent hypertension effectively and safely, and to provide an angiotensin converting enzyme inhibitor, an antihypertensive agent, and food and drink products which contain the novel peptide.SOLUTION: Disclosed are a peptide represented by any of Tyr-Asn-Pro, Tyr-Gly-Ser, Tyr-Gln-Gly, Ser-Tyr-Asn, and Tyr-Asp-Gln, and an angiotensin converting enzyme inhibitor, an antihypertensive agent, and food and drink products which contain the peptide.COPYRIGHT: (C)2014,JPO&INPIT【課題】アンジオテンシン変換酵素を阻害することにより降圧作用を発揮し、高血圧を効果的、かつ安全に治療、改善、又は予防することが可能な新規ペプチド、並びに、前記新規ペプチドを含む、アンジオテンシン変換酵素阻害剤、抗高血圧剤、及び飲食品の提供。【解決手段】Tyr-Asn-Pro、Tyr-Gly-Ser、Tyr-Gln-Gly、Ser-Tyr-Asn、及びTyr-Asp-Glnのいずれかで表されるペプチド、並びに、前記ペプチドを含む、アンジオテンシン変換酵素阻害剤、抗高血圧剤、及び飲食品である。【選択図】なし
