Year: 2024
Type: article
Abstract: Resveratrol and its glucoside, piceid, are the primary stilbenes present in wine. These compounds are well known for their pharmaceutical properties. However, these compounds can undergo chemical transformations in wines, such as polymerization in the presence of metallic reagents. This study investigates the oxidative coupling of resveratrol and piceid to form dimers, including δ-viniferin and δ-viniferin-diglucoside. These dimers were synthesized using silver acetate. The formation of these stilbenes was monitored in wine model solutions and red wines. The results indicated that resveratrol and piceid underwent transformation during heat treatment, forming their respective dimers. The polymerization of both compounds is temperature-dependent, with higher conversion rates at elevated temperatures. Notably, piceid was more reactive than resveratrol in wine. Finally, the anti-inflammatory effects of these compounds were evaluated on the RAW 264.7 macrophage cell line.
Source: Molecules
Institutions: Université de Bordeaux, University of the Basque Country, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement, École Nationale Supérieure des Sciences Agronomiques de Bordeaux-Aquitaine, Unité mixte de recherche Œnologie, Institut Polytechnique de Bordeaux
Language: English
Subfield: Geriatrics and Gerontology
Field: Medicine
Domain: Health Sciences
Open Access status: gold
Estimated APC paid: $3,069
OpenAlex ID: W4405762880