Anthocyanin-derived pigments in Graciano, Tempranillo, and Cabernet Sauvignon wines produced in Spain
2003
Monagas Juan, María Josefina | Núñez Morales, Verónica | Bartolomé, Begoña | Gómez-Cordovés, Carmen | Agencia Española de Cooperación Internacional para el Desarrollo | Comisión Interministerial de Ciencia y Tecnología, CICYT (España)
The anthocyanin profile of young wines made from Vitis vinifera cv. Graciano was determined by liquid chromatography/electrospray ionization-mass spectrometry (LC/ESI-MS) and compared with that of Vitis vinifera cv. Tempranillo and cv. Cabernet Sauvignon. Thirty-four anthocyanins and anthocyanin-derived pigments, including pyruvic acid, 4-vinylphenol, and vinylflavanol, plus direct and acetaldehyde-mediated condensation products, were found by direct analysis. Of particular interest was the presence of the cis isomer of malvidin-3-(6''-p-coumaroylglucoside), reported here in wine for the first time. Anthocyanins in Graciano wines were characterized by a high level of peonidins and equal distribution between acetyl and cinnamoyl glucosides in comparison with Tempranillo and Cabernet Sauvignon wines. The occurrence of anthocyanin-derived pigments in the different wines appeared to be related to the concentration of the corresponding anthocyanin precursors.
Afficher plus [+] Moins [-]The authors thank the Agencia Española de Cooperación International (AECI) for a MUTIS predoctoral scholarship to M.M. and the Spanish Comisión Interministerial de Ciencia y Tecnología (CICYT) (Project AGL2000-1427-C02-02) for funding.
Afficher plus [+] Moins [-]Peer reviewed
Afficher plus [+] Moins [-]Informations bibliographiques
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