本品含异 阿魏酸(isoferulic acid),3,4-二甲氧基 桂皮酸(3,4-dimethoxy cinnamic acid),3-O-乙酰 齐墩果酸(3-O-acetyloleanolic acid),D -甘露醇(D-mannitol), 胡萝卜甙(daucos-terol),β -谷甾醇(β-sitosterol)。根中含米内甙(minecoside), 梓醇(catalpol),6-O -藜芦基梓醇酯(6-O-veratryl catalpol ester), 桃叶 珊瑚甙(aucubin),6-去氧-8-异阿魏酸哈帕甙(6-deoxy-8-isofer-uloyl harpagide),β-谷甾醇-3-O-D -葡萄糖甙(β-sitosteryl 3-O-D-glucoside),菜油甾醇 3-O-D -葡萄糖甙(campesteryl 3-O-D-gluco-side),β-谷甾醇、菜油甾醇(campesterol),豆甾醇(stigmasterol),甘露醇。种子含 棕榈酸(Palmitic acid),硬脂酸(stearic acid), 油酸(oleic acid), 亚油酸(linoleic acid)等。