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Taste-aroma interaction in model wines: Effect of training and expertise

Abstract : The effects of training and expertise on aroma enhancement by taste were investigated in model wine matrices, containing the same aroma compounds in the same quantity, but varying in sugar and acid composition. Three groups of panelists, untrained, trained and experts, scored the odor and aroma of the matrices, in conditions encouraging a synthetic strategy (a single rating scale for aroma) or an analytical strategy (several rating scales, for both aroma and taste). The enhancement of aroma by acid and sweet tastes depended on both the number of scales (only the aroma scale vs. aroma and taste scales) and the panelist group (untrained, trained or experts): Untrained panelists reported the intensity of taste on the aroma score when provided with a single rating scale, but not when they were provided with multiple rating scales. When presented with a single scale, all three groups experienced the same level of aroma enhancement by sweetness. However, when several scales were provided, trained panelists and wine experts showed a significantly lower enhancement than untrained panelists. These results indicate that when tasters' attention is guided towards taste perception, trained and expert tasters can take advantage of their ability to adopt an analytical strategy, which enables them to separate better (but not perfectly) the different components of wine flavor, while untrained tasters cannot. This suggests that in the case of wine, training and expertise lead equally to an improvement in analytical abilities. Several explanations are proposed for the effects of attention and training in order to improve the ability to distinguish aroma and taste. (C) 2016 Elsevier Ltd. All rights reserved.
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01384642
Contributeur : Csga - Université de Bourgogne <>
Soumis le : jeudi 20 octobre 2016 - 12:03:51
Dernière modification le : dimanche 25 octobre 2020 - 06:31:13

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Gaëlle Arvisenet, Elisabeth Guichard, Jordi Ballester. Taste-aroma interaction in model wines: Effect of training and expertise. Food Quality and Preference, Elsevier, 2016, 52, pp.211 - 221. ⟨10.1016/j.foodqual.2016.05.001⟩. ⟨hal-01384642⟩

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