PROBLEM TO BE SOLVED: To provide pharmaceutical or food and drink compositions that are derived from materials fit for human consumption, and are useful as ACE inhibitors and blood pressure-lowering drugs.SOLUTION: Pharmaceutical or food and drink compositions contain tripeptides represented by Ile-Arg-Pro, and at least one or more of peptides selected from Ile-Trp, Ile-Tyr, Val-Tyr, Met-Pro-Pro, Thr-Pro-Pro, Leu-Trp and Ile-Pro-Pro.COPYRIGHT: (C)2014,JPO&INPIT【課題】食用に適する素材由来のACE阻害剤及び血圧降下剤として有用な医薬又は飲食品組成物の提供。【解決手段】Ile-Arg-Proで示されるトリペプチドと、Ile-Trp、Ile-Tyr、Val-Tyr、Met-Pro-Pro、Thr-Pro-Pro、Leu-Trp及びIle-Pro-Proから選ばれるペプチドの少なくとも1種以上とを含有する医薬又は飲食品組成物。【選択図】なし
