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作者用TLC法对中、日四种绞股蓝进行化学成分鉴别比较。结果显示它们具有大致相同的化学成分(皂甙),且可能都含有人参二醇皂甙元。
The authors used TLC method to identify chemical components of Chinese and Japanese Gynostemma pentaphyllum. The results show that they have roughly the same chemical composition (saponin) and may all contain panaxadiol saponin.