Enoforum 2021
IVES 9 IVES Conference Series 9 Enoforum Web 9 Enoforum Web Conference 2021 9 Study of cross-modal interactions through sensory and chemical characteristics of italian red wines

Study of cross-modal interactions through sensory and chemical characteristics of italian red wines

Abstract

This work aimed at investigating red wine olfactory–oral cross-modal interactions, and at testing their impact on the correlations between sensory and chemical variables. Seventy-four Italian red whole wines (WWs) from 10 varieties, and corresponding deodorized wines (DWs), were evaluated by sensory descriptive assessment. Total phenols, proanthocyanidins, ethanol, reducing sugars, pH, titratable and volatile acidity were determined. PCA results highlighted different sensory features of the 10 wine types. ANOVAs (p < 0.05) showed that olfactory cues might play modulation effects on the perception of in-mouth sensations with 7 (harsh,unripe,dynamic,complex, surface smoothness, sweet, and bitter) out of 10 oral descriptors significantly affected by odours. Three weak but significant positive correlations (Pearson, p < 0.0001) were statistically found and supported in a cognitive dimension: spicy and complex; dehydrated fruits and drying; vegetal and unripe. In the absence of volatiles, correlation coefficients between sensory and chemical parameters mostly increased. Proanthocyanidins correlated well with drying and dynamic astringency, showing highest coefficients (r > 0.7) in absence of olfactory–oral interactions. Unripe astringency did not correlate with polyphenols supporting the idea that this sub-quality is a multisensory feeling greatly impacted by odorants. Results support the significance of cross-modal interactions during red wine tasting, confirming previous findings and adding new insights on astringency sub-qualities and their predictive parameters.

DOI:

Publication date: April 23, 2021

Issue: Enoforum 2021

Type: Article

Authors

Paola Piombino1, Elisabetta Pittari1, Panagiotis Arapitsas2, Andrea Curioni3, Vincenzo Gerbi4, Giuseppina Paola Parpinello5, Maurizio Ugliano6, Luigi Moio1

1 Department of Agricultural Sciences, Division of Vine and Wine Sciences, University of Naples Federico II, 83100 Avellino, Italy
2 Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach (FEM), San Michele all’Adige, 38010 Trentino, Italy
3 Department of Agronomy, Food, Natural Resources, Animals and Environment, University of Padova, 35020 Padova, Italy
4 Department of Agricultural, Forest and Food Sciences, University of Turin, Grugliasco, 10095 Turin, Italy
5 Department of Agricultural and Food Sciences, University of Bologna, 40126 Bologna, Italy
6 Department of Biotechnology, University of Verona, 37029 San Floriano (VR), Italy 

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Enoforum 2021 | IVES Conference Series

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