CAMELEYRE, Margaux; MONSANT, Clemence; TEMPERE, Sophie; LYTRA, Georgia; BARBE, Jean-Christophe

doi:10.1021/acs.jafc.1c02934

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CAMELEYRE, Margaux
Unité de Recherche Oenologie [Villenave d'Ornon] [OENO]

MONSANT, Clemence
Unité de Recherche Oenologie [Villenave d'Ornon] [OENO]

TEMPERE, Sophie
Unité de Recherche Oenologie [Villenave d'Ornon] [OENO]

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Journal of Agricultural and Food Chemistry. 2021, vol. 69, n° 34, p. 9895-9904

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The impact of commercial proanthocyanidic tannins on fruity pool of esters, representing the fruitiness of Bordeaux red wines, was assessed in model solutions. It was shown that the presence of tannins in the matrix significantly attenuated perception of fruity notes (p = 0.013). Physicochemical analysis demonstrated that the presence of proanthocyanidic tannins in dilute alcohol solution resulted in a decrease in ester partition coefficients and thus in a decrease in ester contents in the headspace (p < 0.05). This fact highlighted the changes that may occur in wines at a pre-sensory level, prior to sensory evaluation. Finally, a new sensory tool was developed, consisting in an ISO glass containing two compartments separated by a glass wall, providing a way to compare perceived odors according to whether or not the components of the odor mixtures were actually mixed in solution (p < 0.001). This new tool was used to demonstrate the impact and the only implication of pre-sensory level in the consequences of physical mixture between proanthocyanidic tannins and esters on their odor perception.< Réduire

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Perceptive interactions

Pre-sensory effects

Sensory tool

Red wine

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Toward a Better Understanding of Perceptive Interactions between Volatile and Nonvolatile Compounds: The Case of Proanthocyanidic Tannins and Red Wine Fruity Esters - Methodological, Sensory, and Physicochemical Approaches

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