PROBLEM TO BE SOLVED: To provide a novel and useful kinesin inhibitor, and to provide a composition useful for alleviating, preventing and improving various hemochromatosis such as stains and freckles.SOLUTION: The invention relates to a kinesin inhibitor which contains a specific plant extract (Aspalathus linearis extract, Hypericum erectum extract, lemon grass extract) as an active ingredient, and a pigmentation inhibitor based on a kinesin inhibition. Furthermore, it relates to various compositions (pharmaceutical compositions, food compositions, cosmetic compositions) containing the kinesin inhibitor.COPYRIGHT: (C)2014,JPO&INPIT【課題】新規で有用なキネシン抑制剤及び、シミやソバカスをはじめとする様々な色素沈着症状の緩和、予防・改善に有用な組成物を提供すること。【解決手段】特定の植物抽出物(アスパラサスリネアリス抽出物、オトギリソウ抽出物、レモングラス抽出物)を有効成分とするキネシン抑制剤、及びキネシン抑制作用に基づく色素沈着抑制剤。更に、キネシン抑制剤を含有する各種組成物(医薬組成物、食品組成物、化粧料組成物)。【選択図】なし
