Simultaneous determination of trans-resveratrol and sorbic acid in wine by capillary zone electrophoresis
Autoři | |
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Rok publikování | 2002 |
Druh | Článek v odborném periodiku |
Časopis / Zdroj | Electrophoresis |
Fakulta / Pracoviště MU | |
Citace | |
Obor | Analytická chemie, separace |
Klíčová slova | Capillary zone electrophoresis; Wine; Solid phase extraction; Resveratrol; Sorbic acid |
Popis | 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. Solid phase extraction step on C18-column prior to the electrophoretic separation providing lower detection limits was used for trans-resveratrol 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. |
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