Antioxidant ability of anthocyanins against ascorbic acid oxidation

被引：121

作者：

Sarma, AD ^{[1
]}

Sreelakshmi, Y ^{[1
]}

Sharma, R ^{[1
]}

机构：

[1] UNIV HYDERABAD,SCH LIFE SCI,DEPT PLANT SCI,HYDERABAD 500046,ANDHRA PRADESH,INDIA

来源：

PHYTOCHEMISTRY | 1997年 / 45卷 / 04期

关键词：

anthocyanin; antioxidant; ascorbic acid; metal chelation; copigmentation;

D O I：

10.1016/S0031-9422(97)00057-5

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：

Oxidation of ascorbic acid by metal ions like copper was prevented by addition of anthocyanin (cyanidin derivative). Previous reports attributed the ability of flavonoids to protect ascorbate oxidation to the metal complexing properties of these compounds. We provide evidence that anthocyanin not only chelates metal ions, but also forms an ascorbic acid (copigment)-metal-anthocyanin complex, which could be the possible protection mechanism. (C) 1997 Elsevier Science Ltd.

引用

页码：671 / 674

页数：4

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