PROBLEM TO BE SOLVED: To provide an anti-obesty agent having lipase inhibiting action.SOLUTION: A cassia dried above-ground part is subjected to extraction by ethanol, and an obtained extract is concentrated by an evaporator, and then the residue is subjected to gel filtration chromatography (Sephadex LH-20 column), to thereby obtain this novel tannin (trimer of flavan-catechin-flavan).COPYRIGHT: (C)2013,JPO&INPIT【課題】リパーゼ阻害作用を有する抗肥満剤の提供。【解決手段】カワラケツメイ地上部乾燥物をエタノールで抽出し、得られた抽出液をエバポレータで濃縮後、残渣をゲルろ過クロマトグラフィー(Sephadex LH-20カラム)に供し得られる新規タンニン(フラバン-カテキン-フラバンの3量体)。【選択図】なし
