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IVES 9 IVES Conference Series 9 Volatile fraction of young Cabernet Sauvignon from Santa Catarina State, a new terroir in Brazil

Volatile fraction of young Cabernet Sauvignon from Santa Catarina State, a new terroir in Brazil

Abstract

A total of 52 volatile compounds were measured in varietal Cabernet Sauvignon wines from four sites in Santa Catarina State (Brazil), over two consecutive vintages (2004 and 2005). Concentrations were measured by gas chromatography using FID, FPD and mass spectrometry as detectors. Principal Component Analysis of the concentrations of the varietal compounds showed a strong dependence on the characteristics of the soil in the vineyards (p<0.05). In contrast, little differentiation of the fermentative aromatic compounds was found in each vintage at all the sites. The levels of α- ionone (violet note) and β-ionone (violet, berry notes) were inversely related. ß-ionone was found above its threshold concentration (90 ng/l) in all samples except Bom Retiro 2004 vintage. α-Ionone was found to be well below its threshold concentration (400 ng/l) in all the samples. Only the Bom Retiro wines have higher concentrations of α- ionone than β-ionone, in both vintages. This indicates that these compounds can be markers for differentiating these Cabernet Sauvignon wines. The vineyard soils were classified as Inceptisols (for São Joaquim A, São Joaquim B, Bom Retiro vineyards) and as Oxisols (for Videira vineyard), according to U.S.D.A. classification of soil taxonomy.

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Publication date: December 8, 2021

Issue: Terroir 2008

Type : Article

Authors

Leila D. FALCÃO (1) Gilles DE REVEL (2), Maire Claire PERELLO, Laurent REQUIER (2), Antônio A.
A. UBERTI (4), Marilde T. BORDIGNON-LUIZ (1)

(1) Departamento de Ciência e Tecnologia de Alimentos CAL/CCA/UFSC, Rodovia Admar Gonzaga, 1346, Itacorubi, 88034-001, Florianópolis-SC – Brazil
(2) UMR 1219 Œnologie, Université Victor Segalen Bordeaux 2, INRA, ISVV, Faculté d’Œnologie, 351 Cours de la Libération, F-33405 Talence cedex, France
(3) Empresa de Pesquisa e Extensão Agropecuária de Santa Catarina (EPAGRI-SC)- Videira-Brazil
(4) Departamento de Engenharia Rural, CCA/UFSC, Florianópolis-SC – Brazil

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Keywords

Cabernet Sauvignon wine; aromatic composition; GC/FID/FPD/MS analysis; principal component analysis, soil type

Tags

IVES Conference Series | Terroir 2008

Citation

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