Simultaneous determination of trans-resveratrol and sorbic acid in wine by capillary zone electrophoresis

被引：1
|
作者：
Dobiásová, Z [1 ]
Pazourek, J [1 ]
Havel, J [1 ]
机构：
[1] Masaryk Univ, Dept Analyt Chem, CZ-61137 Brno, Czech Republic
来源：
ELECTROPHORESIS | 2002年 / 23卷 / 02期
关键词：
capillary zone electrophoresis; wine; solid-phase extraction; resveratrol; sorbic acid;
D O I：
10.1002/1522-2683(200202)23:2<263::AID-ELPS263>3.0.CO;2-D
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A method for separation and determination of sorbic acid, a food and beverage preservative, and trans-resveratrol, a biomedically active substance, in wine by capillary zone electrophoresis is described. A solid-phase extraction step on C18-column prior to the electrophoretic separation providing lower detection limits was used for transresveratrol determination. For determination of sorbic acid direct analysis of wine (without a preconcentration step) was used. The method is rapid and sensitive and was applied to the analysis of wines from Alsace, France.
引用
收藏
页码：263 / 267
页数：5
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