PROBLEM TO BE SOLVED: To provide a satellite cell differentiation promoter, a muscle mass improver, a muscle strength improver, a muscular atrophy retarder, a non-therapeutic improvement method of muscle mass, a non-therapeutic improvement method of muscle strength, and a non-therapeutic retardation method of muscular atrophy, all of which are derived from a plant.SOLUTION: A satellite cell differentiation promoter, a muscle mass improver, a muscle strength improver, a muscular atrophy retarder, a non-therapeutic improvement method of muscle mass, a non-therapeutic improvement method of muscle strength, and a non-therapeutic retardation method of muscular atrophy, include Apocynum venetum or extract thereof as an active ingredient. Apocynum venetum is a perennial plant that belongs to the Apocynaceae, and a leaf thereof is used for drinking as a Rafuma tea or a Yanlong tea.COPYRIGHT: (C)2014,JPO&INPIT【課題】植物由来のサテライト細胞分化促進剤、筋量改善剤、筋力改善剤、筋萎縮抑制剤、および非治療的な筋量改善方法、筋力改善方法、又は筋萎縮抑制方法の提供。【解決手段】キョウチクトウ科の多年生植物であり、その葉は羅布麻(ラフマ)茶又は燕龍(ヤンロン)茶として飲用されているラフマ又はその抽出物を有効成分とする、サテライト細胞分化促進剤、筋量改善剤、筋力改善剤、筋萎縮抑制剤、および非治療的な筋量改善方法、筋力改善方法、又は筋萎縮抑制方法。【選択図】なし
