Mechanistic study on the enzymatic oxidation of flavonols |
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| Authors: | Souhila Ghidouche Paul-Henri Ducrot |
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| Institution: | a Unité de Chimie Biologique, UMR206 INRA-INAPG, INRA Route de Saint-Cyr, 78026 VERSAILLES Cedex, France
b Laboratoire de Chimie Organique et d’Études Physico-chimiques, École Normale Supérieure, B.P. 5118, Takaddoum Rabat, Morocco |
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| Abstract: | Several flavonols have been transformed upon treatment by Trametes versicolor laccase. Most of the major oxidation products have been isolated by HPLC as pure compounds and their structures have been, when possible, investigated through spectral methods (HPLC-MS and NMR). The results are coherent with the predominance of a dismutation process, leading to cation formation, over direct radical-radical coupling. |
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| Keywords: | Polyphenols Flavonoid Enzymatic oxidation Dismutation |
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