The histological analysis of the liver tissues after treatment of high fat diet fed mice (Oil red-O staining, ✕200). A: normal mice (Nor), B: high fat diet fed mice (Veh), C: high fat diet plus orlistat 40 mg/kg body weight (Oris), D: high fat diet plus Banggihwanggi-tang-hap-yeonggyechulgam-tang 0.87 g/kg body weight (BYL), E: high fat diet plus Banggihwanggi-tang-hapyeonggyechulgam-tang 1.74 g/kg body weight (BYH).