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Roullier-Gall, C. ; Kanawati, B. ; Hemmler, D. ; Druschel, G.K.* ; Gougeon, R.D.* ; Schmitt-Kopplin, P.

Electrochemical triggering of the Chardonnay wine metabolome.

Food Chem. 286, 64-70 (2019)
Postprint DOI PMC
Open Access Green
Oxidation of wine upon bottle ageing is a crucial matter of concern for the qualitative long-term storage of white wines. However, understanding the various molecular mechanisms potentially involved, which can impact the wine composition, requires that top-down analytical strategies are implemented. Here, we report the analysis of bottle aged Chardonnay wines made from the same must, but differing by the amount of SO2 initially added to the must at pressing (0 and 8 g.h L-1). Metabolomics fingerprints obtained from electrochemical simulation of oxidative reactions were obtained by coupling of either on-line or off-line electrochemical oxidation to FT-ICRMS detection. We reveal that, whatever the electrochemical DC voltage is, wines with initial SO2 addition displayed molecular fingerprints, which remained more similar to the non-oxidized wine without initial SO2 addition. We further show that a diversity of sulfur-containing compounds appeared to be the most sensitive to oxidation, whereas nitrogen-containing compounds were mostly formed.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Chardonnay Wine ; Oxidation ; So2 ; Ft-icr-ms ; Electrochemistry (ec); White Wines; Antioxidant Capacity; Sulfur-dioxide; Volatile Composition; Bottle Storage; Oxidation; Oxygen; Polyphenols; Color; Hyperoxidation
Language english
Publication Year 2019
HGF-reported in Year 2019
ISSN (print) / ISBN 0308-8146
e-ISSN 1873-7072
Journal Food Chemistry
Quellenangaben Volume: 286, Issue: , Pages: 64-70 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Amsterdam [u.a.] ; Jena
Reviewing status Peer reviewed
Institute(s) Research Unit BioGeoChemistry and Analytics (BGC)
POF-Topic(s) 30202 - Environmental Health
Research field(s) Environmental Sciences
PSP Element(s) G-504800-001
DOI 10.1016/j.foodchem.2019.01.149
WOS ID WOS:000460107400009
Scopus ID 85061537814
PubMed ID 30827658
Erfassungsdatum 2019-03-11
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