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The chemodiversity of wines can reveal a metabologeography expression of cooperage oak wood.
Proc. Natl. Acad. Sci. U.S.A. 106, 9174-9179 (2009)
Wine chemical compositions, which result from a complex interplay between environmental factors, genetic factors, and viticultural practices, have mostly been studied using targeted analyses of selected families of metabolites. Detailed studies have particularly concerned volatile and polyphenolic compounds because of their acknowledged roles in the organoleptic and therapeutic properties. However, we show that an unprecedented chemical diversity of wine composition can be unraveled through a nontargeted approach by ultrahigh-resolution mass spectrometry, which provides an instantaneous image of complex interacting processes, not easily or possibly resolvable into their unambiguous individual contributions. In particular, the statistical analysis of a series of barrel-aged wines revealed that 10-year-old wines still express a metabologeographic signature of the forest location where oaks of the barrel in which they were aged have grown.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
diagenesis; Fourier transform; ion cyclotron resonance; metabolite; mass spectrometry; Q.U.ercus-robur l.; mass-spectrometry; elemental compositions; petraea liebl.; american; french; barrels; flavor; identification; ellagitannins
ISSN (print) / ISBN
0027-8424
e-ISSN
1091-6490
Quellenangaben
Volume: 106,
Issue: 23,
Pages: 9174-9179
Publisher
National Academy of Sciences
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Ecological Chemistry (IOEC)