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Wine aging: a bottleneck story

The sporadic oxidation of white wines remains an open question, making wine shelf life a subjective debate.

Through a multidisciplinary synoptic approach performed as a remarkable case study on aged bottles of white wine, this work unraveled a yet unexplored route for uncontrolled oxidation.

By combining sensory evaluation, chemical and metabolomics analyses of the wine, and investigating oxygen transfer through the bottleneck/stopper, this work elucidates the importance of the glass/cork interface. It shows unambiguously that the transfer of oxygen at the interface between the cork stopper and the glass bottleneck must be considered a potentially significant contributor to oxidation state during the bottle aging, leading to a notable modification of a wine’s chemical signature.

Reference article :
Thomas Karbowiak, Kevin Crouvisier-Urion, Aurélie Lagorce, Jordi Ballester, André Geoffroy, et al.. Wine aging: a bottleneck story. npj Science of Food, In press, 3 (1), pp.14. ff10.1038/s41538-019-0045- 9ff. ffhal-02310584f

Published on 01/11/2020
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