Electrophoretic separation of tea flavanoids in the modes of capillary (zone) electrophoresis and micellar electrokinetic chromatography

Conditions for electrophoretic separation of tea phenolic enantiomers, (+)-catechin and (−)-epicatechin, by capillary (zone) electrophoresis using β-cyclodextrin as a component of the working electrolyte are developed. Optimization is made of the conditions for separating a multicomponent mixture of...

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Bibliographic Details
Published inRussian journal of applied chemistry Vol. 79; no. 7; pp. 1110 - 1114
Main Authors Kartsova, L. A., Ganzha, O. V.
Format Journal Article
LanguageEnglish
Published New York Springer Nature B.V 01.07.2006
Subjects
Catechin
Chromatography
Cyclodextrins
Electrokinetics
Electrophoresis
Enantiomers
Micelles
Optimization
Polyphenols
Separation
Sodium dodecyl sulfate
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Summary:Conditions for electrophoretic separation of tea phenolic enantiomers, (+)-catechin and (−)-epicatechin, by capillary (zone) electrophoresis using β-cyclodextrin as a component of the working electrolyte are developed. Optimization is made of the conditions for separating a multicomponent mixture of ionic and neutral polyphenols from various tea samples in the mode of micellar electrophoretic chromatography using sodium dodecyl sulfate as a micelle-forming agent and urea as an additive to the phosphate buffer.
ISSN:1070-4272
1608-3296
DOI:10.1134/S1070427206070135