PROBLEM TO BE SOLVED: To provide a trypsin inhibitor capable of preventing or improving pancreatic inflammation and clot formation, and dermal inflammation or diaper rash in a surrounding region of excretory organs, or the like.SOLUTION: The trypsin inhibitor contains an extract of Juniperus communis L. (e.g., an extract obtained by subjecting a properly cut or pulverized fruit to high-temperature pressurized extraction in an autoclave while adding purified water thereto, filtering the resulting extraction liquid followed by freeze drying, and dissolving it in a 30 v/v% ethanol solution).COPYRIGHT: (C)2012,JPO&INPIT【課題】膵臓炎症や血栓形成、排泄器官周辺部位における皮膚炎症やおむつかぶれなどを予防もしくは改善することができるトリプシン阻害剤の提供。【解決手段】ビャクシン科ネズミサシ属セイヨウネズ(Juniperus communis L.)の抽出物(例えば、適宜裁断もしくは粉砕した果実を、精製水を加えてオートクレーブで高温加圧抽出し、抽出液をロ過した後、凍結乾燥し、30v/v%エタノール溶液で溶解したもの)。【選択図】なし