Separation of polyphenols in Canary Islands wine by capillary zone electrophoresis without preconcentration

A method for separation and determination of polyphenols in wine by capillary zone electrophoresis (CZE) without any preconcentration step is described. The sensitivity and limits of detection for gentisic and p-coumaric acid are better than those previously published. The effect of a possible C 18...

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Published in:Journal of Chromatography A 2000-03, Vol.874 (1), p.111-119
Main Authors: Pazourek, J, González, G, Revilla, A.L, Havel, J
Format: Article
Language:English
Subjects:
Biological and medical sciences
Electrophoresis, Capillary - methods
Fermented food industries
Flavonoids
Food industries
Fundamental and applied biological sciences. Psychology
Phenols - isolation & purification
Polymers - isolation & purification
Polyphenols
Wine - analysis
Wines and vinegars
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container_title Journal of Chromatography A
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González, G
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description A method for separation and determination of polyphenols in wine by capillary zone electrophoresis (CZE) without any preconcentration step is described. The sensitivity and limits of detection for gentisic and p-coumaric acid are better than those previously published. The effect of a possible C 18 solid-phase extraction prior to the CZE analysis was examined. The developed optimized method (without any extraction step) was applied to the analysis of wines from Tenerife, Canary Islands.
doi_str_mv 10.1016/S0021-9673(99)01348-5
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subjects Biological and medical sciences
Electrophoresis, Capillary - methods
Fermented food industries
Flavonoids
Food industries
Fundamental and applied biological sciences. Psychology
Phenols - isolation & purification
Polymers - isolation & purification
Polyphenols
Wine - analysis
Wines and vinegars
title Separation of polyphenols in Canary Islands wine by capillary zone electrophoresis without preconcentration
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