PROBLEM TO BE SOLVED: To provide a novel and effective preadipocyte differentiation-promoting agent which can be supplied stably, and to provide various compositions (skin cosmetics, hair cosmetics, food and drink compositions, and pharmaceutical compositions) which contain the preadipocyte differentiation-promoting agent.SOLUTION: We found that Betula platyphylla extract, Plantago major extract, and Swertia japonica extract have excellent preadipocyte differentiation-promoting effect, and provide a preadipocyte differentiation-promoting agent and further various compositions (skin cosmetics, hair cosmetics, food and drink compositions, and pharmaceutical compositions) which contain the preadipocyte differentiation-promoting agent.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】安定的に供給でき、新規で効果に優れた前駆脂肪細胞分化促進剤、又は、前駆脂肪細胞分化促進剤を含有してなる各種組成物(皮膚化粧料、頭髪化粧料、飲食品組成物、医薬品組成物)を提供すること。【解決手段】シラカバ抽出物、セイヨウオオバコ抽出物、センブリ抽出物に優れた前駆脂肪細胞分化促進作用を有することを見い出し、前駆脂肪細胞分化促進剤、更に前駆脂肪細胞分化促進剤を含有してなる各種組成物(皮膚化粧料、頭髪化粧料、飲食品組成物、医薬品組成物)を提供する。【選択図】なし
