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Perceived minerality in sauvignon blanc wine: Chemical reality or cultural construct ?

Abstract : The study aimed to determine the relationship between perceived mineral character in wine and wine chemical composition. We investigated the sensory properties and chemical composition of sauvignon blanc wines from two major sauvignon-producing countries, New Zealand and France. Sensory experiments employing 16 wines (8 French, 8 New Zealand) were conducted in Marlborough, New Zealand and in three regions of France, namely Bordeaux, Burgundy, and the Sancerre/Loire region. Wine professionals (31 New Zealanders and 32 French professionals) sensorially characterised the 16 wines under three conditions, bouquet only (ortho-nasal olfaction), palate only (nose clip condition), and full tasting (global condition: ortho-nasal olfaction, retronasal olfaction, taste, trigeminal stimulation). Sensory data from the global condition only are reported in this article. Physical and chemical analyses conducted on all wines included wine standard parameters, elemental composition, volatile aroma composition, and measures of organic acids. Major results demonstrate that (i) on average French and New Zealand wines were perceived similarly in intensity of mineral character, although judgments to individual wines differed as a function of participant culture; (ii) French and NZ participants drew on different information to make their sensory judgments; and (iii) several aspects of wine composition associated positively with perception of mineral character while others associated negatively, the significant associations differing as a function of participant culture. (C) 2016 Elsevier Ltd. All rights reserved.
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Submitted on : Friday, November 18, 2016 - 2:08:11 PM
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Wendy V. Parr, Dominique Valentin, Jason Breitmeyer, Dominique Peyron, Philippe Darriet, et al.. Perceived minerality in sauvignon blanc wine: Chemical reality or cultural construct ?. Food Research International, Elsevier, 2016, 87, pp.168 - 179. ⟨10.1016/j.foodres.2016.06.026⟩. ⟨hal-01399185⟩



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