落地生根的葉子含順式烏頭酸(cisaconiticacid),抗壞血酸(ascorbic acid),對香豆酸(p-coumaric acid),阿魏酸(ferulic acid),丁香酸(syringic acid),咖啡酸(coffeic acid),對羥基苯甲酸(p-hydroxybenzonic acid)和其他有機酸,還含槲皮素(quercetin),山柰酚(kaempferol),槲皮素-3-二那阿拉伯糖甙(quercetin-3-diarabinoside),山柰酚-3-葡萄糖甙(kaempferol-3-glucoside),18a-齊墩果烷(18a-oleanane),Ψ-蒲公英甾醇(Ψ-taraxasterol),β-香樹脂醇乙酸酯(β-amyrin acetate),24-乙基-25-羥基膽甾醇(24-ethyl-25-hy-droxycholesterol),a、β-香樹脂醇(a、β-amyrin),癸烯基菲(de-cenyl phenanthrene),十一碳烯基菲(undecenyl phenanthrene),落地生根甾醇(bryophyllol),落地生根酮(bryophyllone),落地生根烯酮(bryophyllenone),落地生根醇(bryophynol);全草還含有β-谷甾醇(β-sitosterol),槲皮素-3-鼠李糖-阿拉伯糖甙(quercetin-3-O-a-rhamnopyranosyl-a-L-arabinopyranoside,布沙迪甙元-3-乙酸酯(bersaldegenin-3-acetate),落地生根毒素(bryophyllin)A及B。