Chemical and phenolic profile of 'Sauvignon Blanc' wines made in altitude region of Santa Catarina state - Brazil

Autores

DOI:

https://doi.org/10.18188/sap.v21i1.29237

Resumo

The profile of secondary compounds, such as polyphenols, directly influences the wines sensory characteristics and, therefore, these substances are widely used to differentiate the geographic region of origin of these products. The objective of this work was to perform a characterization of chemical and phenolic profile of 'Sauvignon Blanc' wines produced in the altitude region of Santa Catarina State. The study was carried out with samples of commercial wines, in 2012 and 2013 vintages, selected from nine wineries. Two samples were taken from each winery to carry out the characterization of chemical compounds, evaluating, in triplicate: ethanol, residual sugar, pH, total acidity, color, total polyphenols and individual phenolic compounds. The results of chemical and phenolic evaluations of commercial wines 'Sauvignon Blanc' demonstrate the quality of these products, with high alcohol content and preservation of organic acids, due to the climatic characteristics of the region, which influence grape maturation. All evaluated samples presented reducing sugar values lower than 5 g L-1, indicating that they were all dry wines. In addition, they presented a coloration (Abs 420nm) of 0.12, these values can be considered low, indicating the absence of oxidation process in the wines. The phenolic compound most present in the wines was caftaric acid, in both vintages. With the exception of p-coumaric acid and GRP the commercial 'Sauvignon Blanc' wines, vintage 2013, presented the highest values of individual phenolic compounds.

Biografia do Autor

Douglas André Würz, Instituto Federal de Santa Catarina, Campus Canoinhas

Engenheiro Agrônomo, Mestre em Produção Vegetal.

Possui especialização em Proteção de Plantas pela UFV e especialização em Agronegócio pela UNICESUMAR.

Atualmente é Doutorando em Produção Vegetal pela UDESC.

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Publicado

30-03-2022

Como Citar

MARCON FILHO, J. L.; WÜRZ, D. A.; BRIGHENTI, A. F.; RUFATO, L.; KRETZSCHMAR, A. A. . Chemical and phenolic profile of ’Sauvignon Blanc’ wines made in altitude region of Santa Catarina state - Brazil. Scientia Agraria Paranaensis, [S. l.], v. 21, n. 1, p. 21–29, 2022. DOI: 10.18188/sap.v21i1.29237. Disponível em: https://e-revista.unioeste.br/index.php/scientiaagraria/article/view/29237. Acesso em: 27 abr. 2024.

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Artigos Científicos