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Two New Triterpenoid Saponins from Morina nepalensis var. alba 被引量:1

白花刺参中两个新三萜皂甙(英文)
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摘要 Two new triterpenoid saponins, monepaloside K (1) and monepaloside L (2), together with a known saponin, mazusaponin I (3), were isolated from the water-soluble part of the whole plant of Marina nepalensis var. alba Hand.-Mazz. The structures of monepalosides K and L were determined to be 3-O-α-L-arabinopyranosyl-(1-3)-α-D-xylopyranosyl siaresinolic acid (1) and 3-O-β-D-glucopyranosyl-( 1-3)-β-L-arabinopyranosy1 siaresinolic acid 28-O-β-D-glucopyranosyl-(1-6)-β-D-glucopyranoside (2) respectively, on the basis of chemical and spectroscopic evidence. 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)。
出处 《Acta Botanica Sinica》 CSCD 2003年第1期122-126,共5页 Acta Botanica Sinica(植物学报:英文版)
关键词 Morina nepalensis var. alba DIPSACACEAE monepaloside K monepaloside L mazusaponin I 白花刺参 新三萜皂甙 川续断科 刺参甙K 刺参甙L mazusaponinⅠ 藏药
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