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前已报道从人参(Panax ginseng C.A.Meyer)叶中分到三种微量新皂甙。在继续研究的基础上,又得到一个微量新皂甙,命名为人参皂甙-La(ginsenoside-La)。人参皂甙-La,无色针晶(MeOH),[α]D~(20)—18.4(Pyridine-d_5)。负离子FAB-MS
It has previously been reported that three traces of new saponins are isolated from the leaves of Panax ginseng C.A. Meyer. On the basis of continued research, another trace of new saponin was obtained, named ginsenoside-La. Ginsenoside-La, colorless needle crystal (MeOH), [α]D~(20)—18.4(Pyridine-d_5). Anion FAB-MS