Journal
ANALYTICA CHIMICA ACTA
Volume 539, Issue 1-2, Pages 237-244Publisher
ELSEVIER
DOI: 10.1016/j.aca.2005.02.056
Keywords
electrochemical index; total polyphenolics; electrochemical detection; natural antioxidants
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A new screening protocol based on electrochemical analysis is proposed to determine total polyphenolics in foods. The protocol is based on the use of a flow injection analysis system with a glassy carbon electrode. Using a wide and representative group of food samples and by comparison with a spectrophotometric protocol, the Electrochemical Index is defined as the total polyphenolic content obtained by electrochemistry. The new electrochemical protocol is introduced as alternative to traditional procedures as a new screening protocol to measure the total natural antioxidant content. (c) 2005 Elsevier B.V. All rights reserved.
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