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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/65721

    Título
    Evaluation of yeast derivative products developed as an alternative to lees: the effect on the polysaccharide, phenolic and volatile content, and colour and astringency of red wines
    Autor
    Barrio Galan, Rubén DelAutoridad UVA Orcid
    Úbeda, Cristina
    Gil, Mariona
    Medel Marabolí, Marcela
    Sieczkowski, Nathalie
    Peña Neira, Álvaro
    Año del Documento
    2019
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    Molecules 2019, 24, 1478
    Resumo
    Due to the increase of the use of yeast derivatives (YDs) in winemaking to improve the technological and sensory properties in wines, in this work we evaluated the e ect of the post-fermentation application of di erent yeast derivative products on the physical and chemical properties and astringency of red wines during two consecutive harvests. A commercial and two experimental new yeast derivatives were applied at a medium-high dosage (30 g/hL). The addition of di erent yeast derivatives in red wine increased the concentration of di erent polysaccharide fractions and, therefore, the total polysaccharide content, producing a decrease in the duration of the wine astringency perception over time. The use of yeast derivatives could produce an adsorption/clarification and/or protective e ect on the phenolic compounds. However, it did not produce an important modification of the colour parameters. An intensification or a lower decrease of the most volatile compound groups was produced, but it depended on the YDs and yeast strain used in fermentation and post-fermentation processes.
    Palabras Clave
    yeast derivatives; polysaccharides; red wine colour; phenolic compounds; volatile compounds; astringency
    Revisión por pares
    SI
    DOI
    10.3390/molecules24081478
    Patrocinador
    CONICYT-PAI/Concurso Nacional Inserción en el Sector Productivo, Convocatoria 2014 N 781403003, and the projects: FONDECYT 11140275 and FONDECYT N 1140882 and FONDEQUIP EQM-130129. Lallemand Inc. Chile y Compañía Limitada.
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/65721
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    • DEP60 - Artículos de revista [113]
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    Documento 17- Del Barrio-Galán et al., 2019.pdf
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