Determination of polyphenols in wines by reaction with 4-aminoantipyrine and photometric flow-injection analysis

被引：0
|
作者：
Jan W. Schoonen
Goreti M. Sales
机构：
[1] CEQUP/ Instituto Superior de Engenharia do Instituto Politécnico do Porto,
[2] R. Dr. António Bernardino de Almeida,undefined
[3] 431,undefined
[4] 4200–072 Porto,undefined
[5] Portugal,undefined
来源：
Analytical and Bioanalytical Chemistry | 2002年 / 372卷
关键词：
Total polyphenols Photometry Wines Flow injection and FIA;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new flow-injection analytical procedure is proposed for the determination of the total amount of polyphenols in wines; the method is based on the formation of a colored complex between 4-aminoantipyrine and phenols, in the presence of an oxidizing reagent. The oxidizing agents hexacyanoferrate(III), peroxodisulfate, and tetroxoiodate(VII) were tested.
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页码：822 / 828
页数：6
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