Data/hora: 15/06/2024 07:46:29

Biblioteca(s): | Epagri-Sede.
Data corrente: | 08/09/2011
Data da última atualização: | 25/05/2012
Autoria: | ROSIER, J. P.
Afiliação: | Epagri
Título: | Characterization and multivariate classification of grapes and wines for two cabernet sauvignon clones.
Ano de publicação: | 2011
Fonte/Imprenta: | Pesquisa Agropecuária Brasileira, Brasilia, v. 46, n. 5, p. 474-481, 2011.
Idioma: | Português

Conteúdo:

The objective of this work was to assess and characterize two clones, 169 and 685, of Cabernet Sauvignon grapes and to evaluate the wine produced from these grapes. The experiment was carried out in São Joaquim, SC, Brazil, during the 2009 harvest season. During grape ripening, the evolution of physical&#8209;chemical properties, phenolic
compounds, organic acids, and anthocyanins was evaluated. During grape harvest, yield components were determined for each clone. Individual and total phenolics, individual and total anthocyanins, and antioxidant activity were evaluated for wine. The clones were also assessed regarding the duration of their phenological cycle. During ripening, the
evolution of phenolic compounds and of physical&#8209;chemical parameters was similar for both clones; however, during harvest, significant differences were observed regarding yield, number of bunches per plant and berries per bunch, leaf area, and organic acid, polyphenol, and anthocyanin content. The wines produced from these clones showed significant differences regarding chemical composition. The clones showed similar phenological cycle and responses to bioclimatic parameters. Principal component analysis shows that clone 685 is strongly correlated with color characteristics, mainly
monomeric anthocyanins, while clone 169 is correlated with individual phenolic compounds

Palavras-Chave: | Phenolic compounds; Phenology; Vitis vinifera.
Categoria do assunto: | --
URL: | http://intranetdoc.epagri.sc.gov.br/producao_tecnico_cientifica/DOC_6710.pdf
Registro original: | Epagri-Sede (Epagri-Sede)
Exemplares: | Epagri-Sede - (83133-1) - UPC - AP - -- -  -  -  - DIS