1.费菜 全草含有景天庚糖(sedoheptulose),蔗糖,果糖。根含齐墩果酸(oleanolic acid),β-谷甾醇(β-sitosterol),熊果酸(ursolic acid),熊果酚甙(arbutin),氨醌(hydro-quinone)和消旋-甲基异石榴皮碱(methylisop elletierine),左旋景天宁(sedinine),消旋景天胺(sedamine)。[1]
2.横根费菜 全草含有杨梅树皮素-3-葡萄糖甙(myri-cetin-3-β-D-glucopyranoside),杨梅树皮素-3-半乳糖甙(myricetin-3-O-β-D-galactopyranoside),杨梅树皮素-3-O-β-D-(6〃-O-没食子酰基)-葡萄糖甙[myricetin-3-O-β-D-(6〃-O-galloyl)-glu-copyranoside]和杨梅树皮素3-O-β-D-(6〃-O-没食子酰基)-半乳糖甙[myricetin-3-O-β-D-(6〃-O-galloyl)-galactopyranoside],熊果酚甙(arbutin)和氢配(hydroquinone)。[1]