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dc.rights.licenseopenen_US
hal.structure.identifierUnité de Recherche Oenologie [Villenave d'Ornon] [OENO]
dc.contributor.authorMA, Wen
hal.structure.identifierUnité de Recherche Oenologie [Villenave d'Ornon] [OENO]
dc.contributor.authorWAFFO TEGUO, Pierre
hal.structure.identifierUnité de Recherche Oenologie [Villenave d'Ornon] [OENO]
dc.contributor.authorALESSANDRA PAISSONI, Maria
hal.structure.identifierUnité de Recherche Oenologie [Villenave d'Ornon] [OENO]
dc.contributor.authorJOURDES, Michäel
hal.structure.identifierUnité de Recherche Oenologie [Villenave d'Ornon] [OENO]
dc.contributor.authorTEISSEDRE, Pierre Louis
dc.date.accessioned2020-08-27T14:09:00Z
dc.date.available2020-08-27T14:09:00Z
dc.date.issued2018
dc.identifier.issn0308-8146en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/10696
dc.description.abstractEnPolymeric tannins from grapes have always been reported as an unresolved broad peak in HPLC chromatograms, and this has severely limited their identification to date. This study aimed to disassemble this broad peak and explore the polymeric tannin molecules inside. By applying centrifugal partition chromatography (CPC), an efficient separation approach was developed to split the broad peak of grape seed tannins into fractions. Then, the fractions were analyzed by Q-ToF (quadrupole time-of-flight mass spectrometry) to determine the corresponding structures of the tannins. The results suggest that grape seed polymeric tannins were eluted consecutively according to their degree of polymerization (DP). Condensed tannins identified in wine grape seed have a range of DP and degree of galloylation (DG) up to 20 and 11, respectively. The molecular mass of the largest molecule detected was 6067. To our knowledge, this is the first report to offer an insight into the broad peak of polymeric tannins found with HPLC and to characterize the tannins with a DP up to 20 as shown by HRMS and MS/MS data.
dc.language.isoENen_US
dc.subjectVitis vinifera
dc.subjectQtl
dc.subjectTanin
dc.subjectOenologie
dc.subject.enCpc
dc.subject.enQ-Tof
dc.subject.enCondensed Tannins
dc.subject.enGrape
dc.subject.enPolymer
dc.title.enNew insight into the unresolved HPLC broad peak of Cabernet Sauvignon grape seed polymeric tannins by combining CPC and Q-ToF approaches
dc.title.alternativeFood chem.en_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.foodchem.2018.01.005en_US
dc.subject.halSciences du Vivant [q-bio]/Biologie végétaleen_US
dc.identifier.pubmed29407921en_US
bordeaux.journalFood Chemistryen_US
bordeaux.page168-175en_US
bordeaux.volume249en_US
bordeaux.hal.laboratoriesOenologie - EA 4577en_US
bordeaux.institutionBordeaux INPen_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.exportfalse
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