PROBLEM TO BE SOLVED: To provide a plant extract effective as a kinesin inhibitor, a novel and simple method for production of the inhibitor, and a pharmaceutical composition, a food product composition and a cosmetic composition comprising the kinesin inhibitor as an active ingredient.SOLUTION: The present invention provides a kinesin inhibitor obtained by extraction from a dried product of an above-ground part of Thymus serpyllum L. using 50% ethanol aqueous solution as an extraction solvent, and a method for producing the inhibitor. There are also provided a pharmaceutical composition, a food product composition and a cosmetic composition comprising the kinesin inhibitor.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】キネシン抑制剤として有効な植物抽出物、該抑制剤の新規で簡単な製造方法、及び該キネシン抑制剤を有効成分として含有する医薬組成物、及び食品組成物、化粧品組成物の提供。【解決手段】ワイルドタイムの地上部の乾燥物に対し、50%エタノール水溶液を抽出溶媒として使用して抽出することにより得られるキネシン抑制剤、及び該抑制剤の製造方法。該キネシン抑制剤を含有する医薬組成物、及び食品組成物、化粧品組成物。【選択図】なし
