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Proceedings 2019, 11(1), 23; https://doi.org/10.3390/proceedings2019011023

Determination of Antioxidant Activity of Vitamin C by Voltammetric Methods

1
Department of Physical Chemistry, Faculty of Chemistry, Gdansk University of Technology, 80-233 Gdansk, Poland
2
Department of Chemistry, Technology and Biotechnology of Food, Faculty of Chemistry, Gdansk University of Technology, 80-233 Gdansk, Poland
3
Department of Analytical Chemistry, Faculty of Chemistry, Gdansk University of Technology, 80-233 Gdansk, Poland
*
Author to whom correspondence should be addressed.
Presented at Natural Products and the Hallmarks of Chronic Diseases—COST Action 16112, Luxembourg, 25–27 March 2019.
Published: 17 April 2019
PDF [584 KB, uploaded 17 April 2019]

Abstract

Voltammetric methods—cyclic (CV) and differential pulse voltammetry (DPV) are considered the most appropriate way to evaluate antioxidant activity of redox active compounds. They provide information about both mechanism and kinetics of electrochemical oxidation of antioxidants as well as their physical and chemical properties such as the redox potential or the number of electrons transferred. These methods are helpful for understanding the mechanisms of oxidation or reduction processes of antioxidant compounds. This work presents the electrochemical properties of vitamin C obtained by both CV and DPV methods.
Keywords: L-ascorbic acid; vitamin C; antioxidant activity; cyclic voltammetry; differential pulse voltammetry; electrooxidation L-ascorbic acid; vitamin C; antioxidant activity; cyclic voltammetry; differential pulse voltammetry; electrooxidation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Suliborska, K.; Baranowska, M.; Bartoszek, A.; Chrzanowski, W.; Namieśnik, J. Determination of Antioxidant Activity of Vitamin C by Voltammetric Methods. Proceedings 2019, 11, 23.

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