PROBLEM TO BE SOLVED: To provide an aromatase activator which reinforces the activity of aromatase.SOLUTION: The aromatase activator comprises basket fern or its extract as an active constituent. Further, the extract is a water extract, an alcohol-water mixture extract or a hexane extract.COPYRIGHT: (C)2012,JPO&INPIT【課題】アロマターゼ活性化剤の提供。【解決手段】バスケット・ファーン又その抽出物を有効成分とするアロマターゼ活性化剤。【選択図】なし