PROBLEM TO BE SOLVED: To provide a promoter for the differentiation of a stem cell into a brown fat cell, which can increase the number of brown fat cells and improve and prevent obesity and metabolic syndrome.SOLUTION: This invention provides a promoter for the differentiation of a stem cell into a brown fat cell, which contains catechin as an active ingredient. There are also provided pharmaceuticals, quasi drugs, cosmetics and food or beverages containing the differentiation promoter.COPYRIGHT: (C)2014,JPO&INPIT【課題】褐色脂肪細胞を増加させ、肥満やメタボリックシンドロームを改善及び予防することのできる幹細胞から褐色脂肪細胞への分化促進剤を提供すること。【解決手段】カテキン類を有効成分として含有する幹細胞から褐色脂肪細胞への分化促進剤、該分化促進剤を含有する医薬品、医薬部外品、化粧品及び飲食品。【選択図】なし
