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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
Sturm, Maria Elena; Assof, Mariela Vanesa; Fanzone, Martín Leandro; Martínez, Claudio; Ganga, M. Angélica; Jofre, Viviana Patricia; Ramirez, María Laura; Combina, Mariana (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 ... -
Selection of indigenous Saccharomyces cerevisiae strains to ferment red musts at low temperature
Massera, Ariel Fernando; Assof, Mariela Vanesa; Sturm, Maria Elena; Sari, Santiago Eduardo; Jofre, Viviana Patricia; Cordero-Otero, Ricardo; Combina, Mariana (2012-03)The aim of this work was to select native Saccharomyces cerevisiae strains to conduct the alcoholic fermentation of red must at low temperature (15°C), thus producing volatile compounds that enhance the aromatic profile ... -
Spray-dried Ancellotta red wine: natural colorant with potential for food applications
Alvarez Gaona, Izmari Jasel; Fanzone, Martín Leandro; Sari, Santiago Eduardo; Assof, Mariela Vanesa; Perez, Maria Dolores; Chirife, Jorge; Zamora, María Clara (Springer, 2019-10-04)Ancellotta red wine (Vitis vinifera L.) was encapsulated by spray-drying (inlet and outlet temperatures were 145 °C and 70 °C, respectively) to obtain a wine powder with a low water activity (aw) using maltodextrin DE10 ... -
Volatile Profile Characterization of Extra Virgin Olive Oils from Argentina by HS-SPME/GC-MS and Multivariate Pattern Recognition Tools
Fernández, María de Los Ángeles; Assof, Mariela Vanesa; Jofre, Viviana Patricia; Silva, María Fernanda (2014-11)The distinctive aroma of virgin olive oil is attributed to a large number of chemical compounds of different classes such as aldehydes, alcohols, esters, hydrocarbons, ketones, furans, and other volatile compounds that are ...