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1·There are plenty of Steroid saponin in the root and stem of Anemarrhena asphodeloides Bge.

知母根茎中含大量甾体皂苷，现代药理研究表明知母皂苷及皂苷元为其主要活性成分。

2·The natural surface active substance obtained from the sapindus mukorssi contains terpenoid, steroid saponin, amine acid, protein, vitamin, oleic acid, oil and so on.

从无患子中提取出天然表面活性物质。该表面活性物质中含有萜类甾体皂甙及氨基酸、蛋白质、维生素、油酸、油脂等。