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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2008, Volume 59, Issue 3, 314-317

https://doi.org/10.37358/RC.08.3.1755

Aurora Alecu, Cédric Saucier, Igor Cretescu

The Study of Catalytic Degradation of Malvidin-3-Glucoside from Red Wines, using Molecular Absorption Spectrophotometry

Abstract:

The presence of oxygen and heavy metals naturally found in red wines, leads to the depreciation of their qualities, due to the malvidin-3-glucoside degradation. In this paper, the kinetic of the malvidin-3-glucoside degradation, in synthetic wine model solutions, in the presence of different concentrations of iron and copper, at a temperature of 70oC and two pH values of the wines (2.9 and 3.4 respectively), was studied using the molecular absorption spectrophotometry method.

Keywords:
malvidin-3-glucoside; wine qualities degradation; iron; copper

Issue: 2008, Volume 59, Issue 3
Pages: 314-317
Publication date: 2008/4/9
https://doi.org/10.37358/RC.08.3.1755
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