Search results for "Sulfur Compoounds"

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Contribution to the molecular study of the oxidative stability of white wines of Burgundy

2019

In order to understand and control the aging of wines, particularly white wines, it is necessary to deepen our knowledge about the physico-chemical mechanisms of oxidation related to oxygenation processes. For this, it is important to have tools to quantify the antioxidant capacity of white wines, and to identify the compoiunds involved, in order to anticipate the aging ability of a wine.In this study, analyzes of the antioxidant capacity by DPPH and Electron Paramagnetic Resonance (EPR) were carried out on a large number of wines during aging and from several vintages, in parallel with metabolomic analyzes, mainly carried out by Liquid Chromatography Coupled to Mass Spectrometry (UPLC-Q-TO…

[SDV.SA] Life Sciences [q-bio]/Agricultural sciencesComposés SoufrésOxidationWhite winesMetabolomicOxydationChardonnayVins blancsSulfur CompooundsMétabolomiqueDpph
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