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[摘要]
从西洋参 Panax quinquefolius L.果中分得4个化合物,经理化常数和波谱数据测定,分别为 β-D-吡喃木糖基-(1→6)-α-D-吡喃葡萄糖基-(1→6)-β-D-吡喃葡萄糖苷(Ⅰ),人参皂苷-Ra1(Ⅱ),20(R)-人参皂苷-Rg3(Ⅲ),拟人参皂苷-RT5(Ⅳ)。 为首次分得的新化合物,其余为首次从该植物果中分得。
[Key word]
[Abstract]
Four compounds were isolated from the fruit of Panax quinquefolius L They were identified as20(R)ginsenoside Rg3(Ⅲ),ginsenoside Ra1(Ⅱ), pseudoginsenoside RT5(Ⅳ)and anewcompoundnamed quinquetriose(Ⅰ)Its structure was established as β D xylopyranosyl(1→6)α Dglucopyranosyl(1→6)β Dglucopyranoside, on the basis of chemical and spectroscopic evidences
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