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Defining the Ascorbic Acid Crossover from Anti-Oxidant to Pro-Oxidant in A Model Wine Matrix Containing (+)-Catechin

✍ Scribed by Bradshaw, Mark P.; Cheynier, Veronique; Scollary, Geoffrey R.; Prenzler, Paul D.


Book ID
118745844
Publisher
American Chemical Society
Year
2003
Tongue
English
Weight
202 KB
Volume
51
Category
Article
ISSN
0021-8561

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✍ Mark P. Bradshaw; Paul D. Prenzler; Geoffrey R. Scollary 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 105 KB 👁 2 views

The stoichiometry of the formation of hydrogen peroxide from ascorbic acid in a model wine system has been examined by square-wave voltammetry (SWV) on a hanging mercury drop electrode. Both ascorbic acid and hydrogen peroxide could be determined in the same test sample by first employing an anodic