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Article

Influence of Different Modalities of Grape Withering on Volatile Compounds of Young and Aged Corvina Wines

1
Department of Biotechnology, University of Verona, Villa Lebrecht, via della Pieve 70, 37029 San Pietro, Cariano, Italy
2
Masi Agricola, Via Monteleone, 26, Sant’Ambrogio di Valpolicella, 37015 Verona VR, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Eugenio Aprea
Molecules 2020, 25(9), 2141; https://doi.org/10.3390/molecules25092141
Received: 31 March 2020 / Revised: 30 April 2020 / Accepted: 1 May 2020 / Published: 3 May 2020
(This article belongs to the Special Issue Volatile Compounds and Smell Chemicals (Odor and Aroma) of Food)
Withering is a practice traditionally used in various regions to produce sweet or dry wines. During withering there is an increase in sugar content but also a modification in volatile compound profiles. Controlling metabolic changes through the dehydration process to obtain wines with desired characteristics is therefore a challenging opportunity. The effects of two different withering technologies, post-harvest or on-vine with blocked sap vessel flow, on the volatile profile of young and aged Corvina red wines was investigated. The results showed that modulation of wine aroma due to the withering process is associated with fermentative metabolites, such as esters, higher alcohols, and acids, as well as grape-related compounds such as C6 alcohols, terpenes and norisoprenoids. Significant differences were also found by comparing the two withering techniques. Post-harvest in a traditional “fruttaio” warehouse wines showed higher content of ethyl acetate, ethyl butanoate, β-citronellol and 3-oxo-α-ionol, whereas post-harvest withering on-vine increased β-damascenone in wines. The type of withering technique has an influence on the evolution of some aroma compounds during the aging of wine, among them linalool, (E)-1-(2,3,6-trimethylphenyl)buta-1,3-diene (TPB), n-hexyl acetate, ethyl acetate, ethyl 3-methylbutanoate, 3-oxo-α-ionol and β-damascenone. View Full-Text
Keywords: post-harvest; withering; on-vine; fruttaio; wine aroma; Corvina post-harvest; withering; on-vine; fruttaio; wine aroma; Corvina
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MDPI and ACS Style

Slaghenaufi, D.; Boscaini, A.; Prandi, A.; Dal Cin, A.; Zandonà, V.; Luzzini, G.; Ugliano, M. Influence of Different Modalities of Grape Withering on Volatile Compounds of Young and Aged Corvina Wines. Molecules 2020, 25, 2141. https://doi.org/10.3390/molecules25092141

AMA Style

Slaghenaufi D, Boscaini A, Prandi A, Dal Cin A, Zandonà V, Luzzini G, Ugliano M. Influence of Different Modalities of Grape Withering on Volatile Compounds of Young and Aged Corvina Wines. Molecules. 2020; 25(9):2141. https://doi.org/10.3390/molecules25092141

Chicago/Turabian Style

Slaghenaufi, Davide, Anita Boscaini, Alessandro Prandi, Andrea Dal Cin, Vittorio Zandonà, Giovanni Luzzini, and Maurizio Ugliano. 2020. "Influence of Different Modalities of Grape Withering on Volatile Compounds of Young and Aged Corvina Wines" Molecules 25, no. 9: 2141. https://doi.org/10.3390/molecules25092141

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