主要成分 |
根茎含竹节人参皂甙(chikusetsu-saponin)Ⅲ、Ⅳ、Ⅴ、,人参皂甙(ginsenoside)Rd、Re、Rg1、Rg2,三七皂甙R2(notoginsenosideR2),伪人参皂甙F11(pseudo-ginsenosideF11),竹节人参皂甙Ⅴ的甲酯(methylesterofchikusetsu-saponinⅤ),其他5种皂甙:齐墩果酸-3-O-β-D-(6 -甲酯).吡喃葡萄糖醛酸甙[oleanolicacid-3-O-β-D-(6 -methylester)-glucuronopyranoside],齐墩果酸-28-O-β-D-吡喃葡萄糖甙(oleanolicacid-28-O-β-D-glucopy-ranoside),β-谷甾醇-3-O-β-D-吡喃葡萄糖甙(β-sitosterol-3-O-β-D-glucopyranoside),齐墩果酸-3-O-[β-D-(6 -甲酯)-吡喃葡萄糖醛酸基]-28-O-β-D-吡喃葡萄糖甙oleanolicacid-3-O-[β-D-(6 -methylester),glucuronopyranosyl]-28-O-β-D-glucopyranoside},齐墩果酸-3-O-[β-D-吡喃葡萄糖(1→2)-β-D-吡喃葡萄糖]-28-O-β-D-吡喃葡萄糖甙 |
全株含挥发油 0.1%~0.2%.在去油后的残渣中分离得镇咳有效成分矮茶素 1 号(即岩白菜素,Bergenin)和矮茶素2号.尚含2-羟基-5-甲氧基-3-十五烯基苯醌等化合物及三萜类化合物.从紫金牛全草中分离得紫金牛素(Ardisin)、紫金牛酚Ⅰ、Ⅱ(ArdisinolⅠ,Ⅱ).叶中含有槲皮甙(Quercitrin)、杨梅树皮甙(Myricitrin)、岩白菜素和冬青萜醇(Ilexol) |