Phenolic constituents of Convolvulus dorycnium L. flowers

被引：18

作者：

Nacef, Sana ^{[2
]}

Ben Jannet, Hichem ^{[2
]}

Abreu, Pedro ^{[1
]}

Mighri, Zine ^{[2
]}

机构：

[1] FCT UNL, Dept Quim, REQUIMTE, P-2829516 Caparica, Portugal

[2] Fac Sci Monastir, Lab Chim Subst Nat & Synth Organ, Monastir 5000, Tunisia

来源：

PHYTOCHEMISTRY LETTERS | 2010年 / 3卷 / 02期

关键词：

Convolvulus dorycnium; Convolvulaceae; Dorycnic acid; 3-(2-Butoxy-3-caffeoyl-1-hydroxycyclobutyl)-3-hydroxypropanoic acid; 4-O-(4; '-Carboxymethyl-2; 4; 6; '-trihydroxycyclohexyl)-vanillic; acid; Phenolics Antioxidant activity; QUINIC ACID-DERIVATIVES; ASSIGNMENT; ESTERS;

D O I：

10.1016/j.phytol.2009.12.001

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The new phenolic metabolites 3-(2-butoxy-3-caffeoyl-1-hydroxycyclobutyl)-3-hydroxypropanoic acid, named as dorycnic acid (1), and 4-O-(4'-carboxymethyl-2',4',6'-trihydroxycyclohexyl)-vanillic acid (2), together with scopolin (3), kaempferol 3-rutinoside (4), scopoletin (5), and methyl caffeate (6) were isolated from the flowers of Convolvulus dorycnium L. Their structures were elucidated on the basis of spectroscopic evidence, and comparison with authentic samples. Compounds 1-6 were evaluated for their antioxidative activity in the 1,1-diphenyl-2-picrylhydrazyl assay, where the caffeic acid derivative 1 proved to possess the most potent scavenging activity, with an IC50 value of 31.5 mu M. (C) 2009 Phytochemical Society of Europe. Published by Elsevier B. V. All rights reserved.

引用

页码：66 / 69

页数：4

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