Biotransformation of C13-norisoprenoids and monoterpenes by a cell suspension culture of cv. Gamay (Vitis vinifera) |
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Authors: | Sandrine Mathieu Jérémie Wirth François-Xavier Sauvage Jean-Paul Lepoutre Raymond Baumes Ziya Gunata |
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Institution: | (1) UMR Qualisud, Université de Montpellier II, place E. Bataillon, 34095 Montpellier Cedex 5, France;(2) UMR 1083 Sciences pour l’Oenologie, INRA, 2 place Viala, 34060 Montpellier, France |
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Abstract: | A cell suspension culture of cv. Gamay was studied for its ability to metabolize two different C13-norisoprenoidic volatiles, β-ionone and dehydrovomifoliol, together with monoterpenes, geraniol and linalool, biogenetically
common pathways sharing compounds. β-Ionone was totally metabolized leading to fourteen norisoprenoidic volatiles oxygenated
mainly at carbons 3 or 4 of the cyclohexane ring or reduced at side chain. The biotransformation of dehydrovomifoliol was
at a lesser extent, giving rise to oxygenated and reduced derivatives. The norisoprenoidic metabolites were present both under
free and glycosylated forms. Geraniol and linalool were also metabolized, leading to several free and glycosylated compounds.
S. Mathieu, J. Wirth contributed equally to the work and should be considered joint first authors.
A short part of this paper was published at the proceedings of the 10th Weurman Flavour Research Symposium, Flavour Research
at the Dawn of the Twenty-first Century, J.-L.Le Quere, P.-X.Etievant, Editors; Lavoisier,2003/Intercept Ltd, 2003. |
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Keywords: | β -Ionone C13-norisoprenoids Grape cell culture Monoterpenes Vitis vinifera |
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