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从著名藏药白花刺参(Morina nepalensis var.alba Hand Mazz.)的水溶性部分分离到2个新三萜皂甙——刺参甙K(1)和刺参甙L(2),以及一个已知三萜皂甙mazusaponin(3)。应用波谱和化学方法,刺参甙K和刺参甙L的结构分别鉴定为3-O-α-arabinopyranosyl-(1-3)-β-D-xylopyranosyl siaresinolic acid(1)和3-O-β-D-glucopyranosyl-(1-3)-α-L-arabinopyranosyl siaresinolic acid 28-O-β-D-glucopyranosyl-(1-6)-β-D-glucopyranoside(2)。
Two new triterpenoid saponins, Kaposi K(1) and Spermaria L(2), and one has been isolated from the water-soluble part of the famous Tibetan medicine, Morinha nepalensis var.alba Hand Mazz. Know the triterpenoid saponin mazusaponin (3). Using spectroscopy and chemical methods, the structures of stichopus japonicus K. and stichopus japonicus L were identified as 3-O-α-arabinopyranosyl-(1-3)-β-D-xylopyranosyl siaresinolic acid (1) and 3-O-β, respectively. -D-glucopyranosyl-(1-3)-α-L-arabinopyranosyl siaresinolic acid 28-O-β-D-glucopyranosyl-(1-6)-β-D-glucopyranoside (2).