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Author(s): Andre Sousa
Nuno Mateus
Artur Manuel S Soares Silva
Nicolas Vivas
Marie Francoise Nonier
Isabelle Pianet
Victor de Freitas
Title: Isolation and Structural Characterization of Anthocyanin-furfuryl Pigments
Issue Date: 2010
Abstract: Condensation reactions of malvidin-3-glucosicle with two representative oak wood furanic aldehydes (furfural and methylfurfural) were conducted in wine-like model solutions. Methylfurfural led to the formation of malvidin-3-glucoside-methylfurfural (603 m/z), whereas furfural led to the formation of malvidin-3-glucoside-furfural (589 m/z). The latter was structurally characterized by 10 and 2D NMR, allowing an elucidation of the formation mechanism of these anthocyanin-furanic aldehyde adducts in the absence of flavanols.
Subject: Outras ciências agrárias
Other Agrarian Sciences
Scientific areas: Ciências agrárias::Outras ciências agrárias
Agrarian Sciences::Other Agrarian Sciences
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FCUP - Artigo em Revista Científica Internacional

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