THE MECHANISM OF COPIGMENTATION OF ANTHOCYANINS IN AQUEOUS-SOLUTIONS

被引：245

作者：

MAZZA, G ^{[1
]}

BROUILLARD, R ^{[1
]}

机构：

[1] UNIV STRASBOURG 1,INST CHIM,CNRS,CHIM PIGMENTS PLANTES LAB,F-67008 STRASBOURG,FRANCE

来源：

PHYTOCHEMISTRY | 1990年 / 29卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Anthocyanin; chlorogenic acid; co-pigmentation mechanism; complexation; cyanidin 3,5-diglucoside; hydrophobic interactions; malvidin 3,5-diglucoside;

D O I：

10.1016/0031-9422(90)85411-8

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：

Factors affecting co-pigmentation of anthocyanins with chlorogenic acid in aqueous solutions were studied. The anthocyanins used were cyanidin 3,5-diglucoside, malvidin 3,5-diglucoside, cyanidin 3-glucoside and malvidin 3-glucoside. The variables studied were concentration of anthocyanin, concentration of chlorogenic acid, pH, temperature, and solvent. On the basis of visible absorption spectrometric measurements, a mechanism for the co-pigmentation/complexation of anthocyanins with chlorogenic acid is established. This mechanism involves formation of 1:1 pigment-co-pigment complexes forced together by hydrophobic interactions. Indeed, the extent of the pigment-co-pigment association is under the control of the unique hydrogen-bonded molecular structure of liquid water, and is affected by pH, temperature and composition of the medium. © 1990.

引用

页码：1097 / 1102

页数：6

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