Steroidal saponins from the leaves of Beaucarnea recurvata

被引：10
作者：
Eskander, Jacqueline [1 ,3 ]
Lavaud, Catherine [1 ]
Harakat, Dominique [2 ]
机构：
[1] UMR CNRS 6229, ICMR, Lab Pharmacognosie, F-51687 Reims 2, France
[2] UMR CNRS 6229, ICMR, Serv Anal, F-51687 Reims 2, France
[3] Helwan Univ, Fac Pharm, Dept Pharmacognosy, Cairo, Egypt
来源：
PHYTOCHEMISTRY | 2011年 / 72卷 / 09期
关键词：
Beaucarnea recurvata; Ruscaceae; Steroidal saponins; INHIBITORY-ACTIVITY; STRUCTURAL ELUCIDATION; GLYCOSIDES; SEEDS; STEMS;
D O I：
10.1016/j.phytochem.2011.03.004
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Thirteen steroidal saponins were isolated from the leaves of Beaucarnea recurvata Lem. Their structures were established using one- and two-dimensional NMR spectroscopy and mass spectrometry. Six of them were identified as: 26-O-beta-D-glucopyranosyl (25S)-furosta-5,20(22)-diene 1 beta,3 beta,26-triol 1-O-alpha-L-rhamnopyranosyl-(1 -> 2) beta-D-fucopyranoside, 26-O-beta-D-glucopyranosyl (25S)-furosta-5,20(22)-diene 1 beta,3 beta,26-triol 1-O-alpha-L-rhamnopyranosyl-(1 -> 2)-4-O-acetyl-beta-D-fucopyranoside, 26-O-beta-D-glucopyranosyl (25R)-furosta-5,20(22)-diene-23-one-1 beta,3 beta,26-triol 1-O-alpha-L-rhamnopyranosyl-(1 -> 2) beta-D-fucopyranoside, 26-O-beta-D-glucopyranosyl (25S)-furosta-5-ene-1 beta,3 beta,22 alpha,26-tetrol 1-O-alpha-L-rhamnopyranosyl-(1 -> 4)-6-O-acetyl-beta-D-glucopyranoside, 26-O-beta-D-glucopyranosyl (25S)-furosta-5-ene-1 beta,3 beta,22 alpha,26-tetrol 1-O-alpha-L-rhamnopyranosyl-(1 -> 2) beta-D-fucopyranoside, and 24-O-beta-D-glucopyranosyl (25R)-spirost-5-ene-1 beta,3 beta, 24-triol 1-O-alpha-L-rhamnopyranosyl-(1 -> 2)-4-O-acetyl-beta-D-fucopyranoside. The chemotaxonomic classification of B. recurvata in the family Ruscaceae was discussed. (C) 2011 Elsevier Ltd. All rights reserved.
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收藏
页码：946 / 951
页数：6
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