Selection of non-Saccharomyces yeasts to be used in grape musts with high alcoholic potential: A strategy to obtain wine with reduced etanol content

Authors
Mestre Furlani, Maria Victoria; Maturano, Yolanda Paola; Combina, Mariana; Mercado, Laura Analia; Toro, Maria Eugenia; Vazquez, Fabio
Publication Year
2017
Language
English
Format
article
Status
Published version
Description
Ethanol content of wine has increased over the last decades as consequence of searching phenolic maturity, requiring increased grape maturity. This may result in the production of wines with excessive alcohol levels (sometimes more than 15% (v/v)), sluggish and stuck fermentations and excessive volatile acidity. Many strategies to reduce ethanol in wines are being studied, and microbial methods have some additional advantages. However, because of the broad intra- and interspecies variability, new selection criteria should be included. Therefore, the goal of the present work was to design and evaluate a simple and integral procedure for non-Saccharomyces yeast selection. This strategy allowed selection of yeasts that presented successful implantation in grape must with high alcohol potential and their use in co-cultures could reduce the ethanol in wines. A total of 114 native non-Saccharomyces yeasts were assayed to determine their respiratory, fermentative and physiological characteristics of enological interest. Hanseniaspora uvarum BHu9 and BHu11, H. osmophila BHo51, Starmerella bacillaris BSb55 and Candida membranaefaciens BCm71 were selected as candidates to design co-culture starters
EEA Mendoza
Fil: Mestre Furlani, Maria Victoria. Universidad Nacional de San Juan. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Maturano, Yolanda Paola. Universidad Nacional de San Juan. Instituto de Biotecnología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Combina, Mariana. INTA. Estación Experimental Agropecuaria Mendoza; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Mercado, Laura Analia. INTA. Estación Experimental Agropecuaria Mendoza; Argentina
Fil: Toro, Maria Eugenia. Universidad Nacional de San Juan. Instituto de Biotecnología; Argentina
Fil: Vazquez, Fabio. Universidad Nacional de San Juan. Instituto de Biotecnología; Argentina
Source
FEMS Yeast Research 17 (2) : fox010 (March 2017)
Subject
Levadura
Saccharomyces Cerevisiae
Vid
Vinificación
Etanol
Mosto de Uva
Yeasts
Grapevines
Winemaking
Ethanol
Grape Must
Access level
Open access
License
Repository
INTA Digital (INTA)
Institution
Instituto Nacional de Tecnología Agropecuaria
OAI Identifier
oai:localhost:20.500.12123/1919