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Polyphenol profiles of just pruned grapevine canes from wild vitis accessions and vitis vinifera cultivars

Abstract : Grapevine canes are an abundant byproduct of the wine industry. The stilbene contents of Vitis vinifera cultivars have been largely studied, but little is known about the stilbene contents of wild Vitis accessions. Moreover, there have only been few studies on the quantification of other phenolic compounds in just pruned grapevine canes. In our study, we investigated the polyphenol profile of 51 genotypes belonging to 15 Vitis spp. A total of 36 polyphenols (20 stilbenes, 6 flavanols, 7 flavonols, and 3 phenolic acids) were analyzed by high-performance liquid chromatography coupled with a triple quadrupole mass spectrometer. Our results suggest that some wild Vitis accessions could be of interest in terms of the concentration of bioactive polyphenols and that flavanols contribute significantly to the antioxidant activity of grapevine cane extracts. To the best of our knowledge, this is the most exhaustive study of the polyphenolic composition of grapevine canes of wild Vitis spp.
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https://hal.inrae.fr/hal-02565126
Contributor : Muriel Gauthier Connect in order to contact the contributor
Submitted on : Wednesday, May 6, 2020 - 11:03:21 AM
Last modification on : Monday, March 28, 2022 - 9:16:15 AM

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Grégoire Loupit, Sylvain Prigent, Céline Franc, Gilles de Revel, Tristan Richard, et al.. Polyphenol profiles of just pruned grapevine canes from wild vitis accessions and vitis vinifera cultivars. Journal of Agricultural and Food Chemistry, American Chemical Society, 2020, 68 (47), pp.13397-13407. ⟨10.1021/acs.jafc.9b08099⟩. ⟨hal-02565126⟩

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