PROBLEM TO BE SOLVED: To provide an aromatase activator which reinforces the activity of aromatase.SOLUTION: The aromatase activator comprises at least one kind selected from the group consisting of Rhamnus frangula, Castanea dentata, Calluna vulgarris and their extracts as an active constituent(s).COPYRIGHT: (C)2012,JPO&INPIT【課題】アロマターゼ活性化剤の提供。【解決手段】ブックソーン、アメリカグリ、ヒーサー及びそれらの抽出物からなる群より選択される少なくとも1種を有効成分とするアロマターゼ活性化剤。【選択図】なし