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✦   LIBER   ✦

Direct Electrochemical Sensing and Detection of Natural Antioxidants and Antioxidant Capacity in Vitro Systems

✍ Scribed by Antonio Javier Blasco; Agustín González Crevillén; María Cristina González; Alberto Escarpa

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
614 KB
Volume
19
Category
Article
ISSN
1040-0397

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✦ Synopsis

Abstract

This review highlights the role of electrochemical approaches in the sensing of antioxidants and their antioxidant capacity with especial attention to the analytical possibilities of electrochemistry in the direct evaluation of antioxidant capacity exhibited by food and biological samples due to the termed dietary, natural or biological antioxidants (mainly polyphenols, and vitamins C and E). The analytical potency of the electrochemistry is comprehensively stated and the selected results found in the literature are summarized and discussed critically. The main electrochemical approaches used have been cyclic voltammetry (CV) and flow injection analysis with amperometric detection (FIA‐ED). In addition, miniaturization is going to break new frontiers in the evaluation of antioxidant activity.

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