Flavonoids from red onion (Allium cepa)

被引：155

作者：

Fossen, T ^{[1
]}

Pedersen, AT ^{[1
]}

Andersen, OM ^{[1
]}

机构：

[1] Univ Bergen, Dept Chem, N-5007 Bergen, Norway

来源：

PHYTOCHEMISTRY | 1998年 / 47卷 / 02期

关键词：

Allium cepa; Alliaceae; red onion; flavonol; quercetin 3,7,4 '-O-beta-triglucopyranoside; dihydroflavonol; taxifolin-4 '-O-beta-glucopyranoside; C-13; NMR;

D O I：

10.1016/S0031-9422(97)00423-8

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：

Quercetin 3,7,4'-O-beta-triglucopyranoside together with quercetin, quercetin 4'-O-beta-glucopyranoside and quercetin 3,4'-O-beta-diglucopyranoside were isolated from the pigmented scales of Allium cepa var. 'Red Baron'. The former flavonol has previously been reported to be formed when cell cultures of a Vitis hybrid is fed with quercetin. Minor amount of taxifolin 4'-O-beta-glucopyranoside, a rare dihydroflavonol, was also detected. The structures were established on the basis of acid hydrolysis, chromatography (TLC and HPLC) and home-and heteronuclear NMR spectroscopic techniques. (C) 1997 Published by Elsevier Science Ltd.

引用

页码：281 / 285

页数：5

共 24 条

[1] SEMIPREPARATIVE ISOLATION AND STRUCTURE DETERMINATION OF PELARGONIDIN 3-O-ALPHA-L-RHAMNOPYRANOSYL-(1-]2)-BETA-D-GLUCOPYRANOSIDE AND OTHER ANTHOCYANINS FROM THE TREE DACRYCARPUS-DACRYDIOIDES [J].