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Basic In-Mouth Attribute Evaluation: A Comparison of Two Panels

1
Department of Viticulture and Oenology, Stellenbosch University, ZA-7600 Stellenbosch, South Africa
2
RISE Research Institutes of Sweden, Agrifood and Bioscience, P.O. Box 5401, SE-402 29 Gothenburg, Sweden
3
Department of Statistics and Actuarial Sciences, Stellenbosch University, ZA-7600 Stellenbosch, South Africa
*
Author to whom correspondence should be addressed.
Received: 15 November 2018 / Revised: 10 December 2018 / Accepted: 19 December 2018 / Published: 21 December 2018
(This article belongs to the Special Issue Wine Composition and Quality Analysis)
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Abstract

Astringency is often difficult to evaluate accurately in wine because of its complexity. This accuracy can improve through training sessions, but it can be time-consuming and expensive. A way to reduce these costs can be the use of wine experts, who are known to be reliable evaluators. Therefore, the aim of this work was to compare the sensory results and the panel performance obtained using trained panelists versus wine experts (winemakers). Judges evaluated twelve red wines for in-mouth basic perception (sweet, sour, bitter, astringent, and burning sensation) following the same tasting protocol and with the samples being presented in two different tasting modalities. Panels’ performance and relationship between the chemical composition and the sensory perception were investigated. Both panels showed similar consistency and repeatability, and they were able to accurately measure the astringency of the wines. However, the significant correlations between sensory scores and chemical composition varied with the panel and the tasting modality. From our results, we could see that winemakers tended to discriminate better between the samples when the differences were very small. View Full-Text
Keywords: astringency; comparison; red wine; trained panel; winemakers astringency; comparison; red wine; trained panel; winemakers
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Mihnea, M.; Aleixandre-Tudó, J.L.; Kidd, M.; du Toit, W. Basic In-Mouth Attribute Evaluation: A Comparison of Two Panels. Foods 2019, 8, 3.

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