Temas
Mostrando ítems 21-27 de 27
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Manual de técnicas analíticas para la evaluación de compuestos fenólicos y otros componentes de la uva
(Ediciones INTA, 2009-12)Este manual ha sido elaborado como una herramienta de apoyo al trabajo de los técnicos y productores, responsables directos de la calidad de la uva y el vino. Con tal fin, se han detallado las técnicas de análisis que ... -
Microwave-assisted extraction applied to Merlot grapes with contrasting maturity levels: effects on phenolic chemistry and wine color
(MDPI, 2019-01)Merlot grapes were harvested with three maturity levels (21.1, 23.1, and 25.1 Brix), and processed with or without the application of microwave-assisted extraction (MW). The detailed phenolic composition and color were ... -
Microwave-assisted maceration and stems addition in Bonarda grapes: Effects on wine chemical composition over two vintages
(Elsevier, 2022-03-30)Bonarda, the second red grape variety in Argentina, produces high yields per hectare generating, in several cases, low quality wines. Microwave-assisted extraction (MW) is a novel extraction technique for winemaking, widely ... -
Phenolic characterisation of red wines from different grape varieties cultivated in Mendoza province (Argentina)
(Wiley, 2012-02)Background: Knowledge of the chemical composition of wine and its association with the grape variety/cultivar is of paramount importance in oenology and a necessary tool for marketing. Phenolic compounds are very important ... -
Piranoantocianos : nuevos pigmentos en los vinos tintos. Aspectos científicos e implicancias tecnológicas.
(2006-08)El universo del color de los vinos tintos es complejo, dentro del mismo actúan diversos compuestos que provienen de la uva y otros que son formados durante los procesos de vinificación y añejamiento de los vinos. Las ... -
Prevención de la aparición de defectos asociados a Brettanomyces/Dekkera aplicando modelado de variables predisponentes en vinos tintos
(Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, 2015-09)La alteración del vino por levaduras contaminantes representa un serio problema para la industria causando importantes pérdidas económicas. Dekkera spp ha sido descripta como la principal levadura contaminante de vinos ... -
Relation between coumarate decarboxylase and vinylphenol reductase activity with regard to the production of volatile phenols by native Dekkera bruxellensis strains under ‘wine-like’ conditions
(2015-08)Dekkera/Brettanomyces bruxellensis is considered a major cause of wine spoilage, and 4-ethylphenol and 4-ethylguaiacol are the most abundant off-aromas produced by this species. They are produced by decarboxylation of the ...