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Steroid saponins from Solanum laxum.

作者信息

Ferreira F, Soulé S, Vazquez A, Moyna P, Kenne L

机构信息

Cátedra de Farmacognosia y Productos Naturales, Facultad de Química, Montevideo, Uruguay.

出版信息

Phytochemistry. 1996 Jul;42(5):1409-16. doi: 10.1016/0031-9422(96)00129-x.

DOI:10.1016/0031-9422(96)00129-x
PMID:9397207
Abstract

Two new steroid saponins, named laxumins A and B, were isolated from the ethanolic extract of the aerial parts of Solanum laxum. These compounds were characterized, using mainly NMR spectroscopy, mass spectrometry and chemical methods, as (23S,25S)-spirost-5-en-3 beta, 15 alpha, 23-triol 3-O-{beta-D-glucopyranosyl-(1-->2)- beta-D-glucopyranosyl-(1-->4)-[alpha-L-rhamnopyranosyl-(1-->2)]-beta-D- galactopyranoside} and 3-O-{beta-D-glucopyranosyl-(1--> 4)-alpha-L-rhamnopyranosyl-(1-->2)]-beta-D-galactopyranoside}, respectively.

摘要

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