来自克里特法戈尼亚草的更多皂苷。

Further saponins from Fagonia cretica.

作者信息

Abdel-Khalik S M, Miyase T, Melek F R, el-Ashaal H A

机构信息

Pharmacognosy Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt.

出版信息

Pharmazie. 2001 Mar;56(3):247-50.

PMID:11265595

Abstract

Three triterpenoid saponins including two new ones were isolated and identified from the aerial parts of Fagonia cretica. The new saponins were characterized as 3-O-[beta-D-xylopyranosyl(1-->2)alpha-L-arabinopyranosyl]27-hydroxyoleanolic acid 28-O-[beta-D-glucopyranosyl(1-->6)beta-D-glucopyranosyl]ester and 3 beta-O-[beta-D-xylopyranosyl(1-->2)alpha-L-arabinopyranosyl] olean-12-en-27-al-28-oic acid 28-O-[beta-D-glucopyranosyl(1-->6)beta-D-glycopyranosyl] ester. The structures were determined by spectral analyses. The NMR assignments were made by means of HOHAHA, 1H-1H COSY, HMQC, HMBC spectra and NOE studies.

摘要

从刺山柑地上部分分离并鉴定出三种三萜皂苷，其中包括两种新的皂苷。新皂苷被鉴定为3-O-[β-D-吡喃木糖基(1→2)α-L-阿拉伯吡喃糖基]27-羟基齐墩果酸28-O-[β-D-吡喃葡萄糖基(1→6)β-D-吡喃葡萄糖基]酯和3β-O-[β-D-吡喃木糖基(1→2)α-L-阿拉伯吡喃糖基]齐墩果-12-烯-27-醛-28-酸28-O-[β-D-吡喃葡萄糖基(1→6)β-D-吡喃葡萄糖基]酯。通过光谱分析确定了其结构。通过HOHAHA、1H-1H COSY、HMQC、HMBC光谱和NOE研究进行了核磁共振归属。