PROBLEM TO BE SOLVED: To provide a new plant-derived compound having muscle differentiation and/or bone differentiation promoting action.SOLUTION: The present invention provides a compound represented by formula (1), salt thereof or ester thereof. The compound can be obtained from Pueraria hirsuta extract (R1 is a substituted/unsubstituted 1-10 alkyl group R2 is a monosaccharide residue R3 is an acyl group, a monosaccharide residue, or a carboxy alkylene carbonyl group).SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】筋肉分化促進作用及び/又は骨分化促進作用を有する植物由来の新規化合物の提供。【解決手段】式(1)で表される化合物、その塩若しくはそのエステル。前記化合物は葛花抽出物から得ることができる。(R1は置換/非置換の1~10のアルキル基;R2は単糖残基;R3はアシル基、単糖残基、又はカルボキシアルキレンカルボニル基)【選択図】図1