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  Proceedings of the Estonian Academy of Sciences. Chemistry

 

ISSN 1406-0124

Published since 1952 to 2007

Proceedings of the Estonian Academy of Sciences. Chemistry

 

ISSN 1406-0124

Published since 1952 to 2007

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Characterization of bioactive compounds contained in vegetables of the Solanaceae family by capillary electrophoresis; 172–186

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Authors

Kati Helmja, Merike Vaher, Jelena Gorbatšova, Mihkel Kaljurand

Abstract

Because of their antioxidative capability polyphenols and vitamins are the most important naturally occurring compounds. Several widely consumed vegetables are rich in various phenolic compounds and vitamins. In this study, such vegetables as tomato (Solanum lyco­persicum), eggplant (Solanum melongena), chilli pepper (Capsicum annuum), and potato (Solanum tuberosum) of the Solanaceae family were investigated. The phenolic compounds and vitamins were separated and their composition was determined by capillary electrophoresis (CE). The total phenolic content was measured according to the Price and Butler method. In addition, the antioxidative capability of phenolic compounds was monitored and evaluated by CE using a coloured free radical 2,2-diphenyl-1-picrylhydrazyl (DPPH).

Keywords

antioxidativity, capillary electrophoresis, polyphenols, vitamins.

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Current Issue: Vol. 56, Issue 4, 2007




Publishing schedule:
No. 1: 20 March
No. 2: 20 June
No. 3: 20 September
No. 4: 20 December