COMPLEXATION OF A FLUORESCENT ANTHOCYANIN WITH PURINES AND POLYPHENOLS

被引：21

作者：

WIGAND, MC

DANGLES, O

BROUILLARD, R

机构：

[1] Laboratoire de Chimie, Polyphénols associé au CNRS (URA 31), Université Louis Pasteur, 67 Strasbourg, 1, rue Blaise Pascal

来源：

PHYTOCHEMISTRY | 1992年 / 31卷 / 12期

关键词：

ANTHOCYANIN COMPLEXATION; PURINES; POLYPHENOLS; UV-VISIBLE; FLUORESCENCE AND H-1 NMR SPECTROSCOPY;

D O I：

10.1016/0031-9422(92)80466-R

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：

It is demonstrated that the synthetic anthocyanin 7-hydroxy-3,4'-dimethoxyflavylium chloride associates with copigments in a manner which mimics that of natural anthocyanins. When studying copigmentation, 7-hydroxy-3,4,-dimethoxyflavylium chloride offers several advantages over its natural homologues. Firstly, it is easy to prepare pure. Secondly, its unexpected strong fluorescence opens up a new field in copigmentation studies. Finally, being sufficiently water-soluble, its complexation can also be investigated by means of H-1 NMR spectroscopy. Copigments investigated are: chlorogenic acid, gallic acid, caffeine, adenosine 5'-monophosphate and adenosine 5'-triphosphate.

引用

页码：4317 / 4324

页数：8

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