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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/67387

    Título
    Volatile composition and sensory properties of wines from vineyards affected by iron chlorosis
    Autor
    Martín Peña, PedroAutoridad UVA Orcid
    González García, María RosaAutoridad UVA Orcid
    Medina Trujillo, LauraAutoridad UVA
    Fernández Fernández, EncarnaciónAutoridad UVA Orcid
    Rodríguez Nogales, José ManuelAutoridad UVA Orcid
    Sánchez, Ramón
    Año del Documento
    2022
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Food Chemistry, February 2022, vol. 369
    Resumo
    Recent studies have shown that mild to moderate iron chlorosis can have positive effects on grape quality potential, including volatile profile. The main objective of this work was to investigate, for the first time, how moderate iron stress in grapevines affects the presence of volatile organic compounds (VOCs) in wines. The study was carried out during 2018–2019 seasons, in 20 Tempranillo vineyard subzones with different degree of iron deficiency, located in Ribera del Duero (North-Central Spain). The results showed that moderate iron stress increased in wines the concentrations of VOCs associated with floral notes, such as 2-phenylacetaldehyde, 2-phenylethanol and 2-phenylethyl acetate, while reducing the presence of C6-alcohols, responsible for green-herbaceous aroma. A favourable reduction of pH and a betterment of parameters related to colour were detected in wines from iron deficient subzones. Chlorosis incidence was associated to improvements in wine sensory attributes as layer intensity, black fruit and aroma intensity.
    Materias (normalizadas)
    Vinos y vinificación
    Viticultura
    Materias Unesco
    3103.01 Producción de Cultivos
    3309.29 Vino
    Palabras Clave
    Tempranillo
    Vitis vinifera
    Aroma
    Nutritional stress
    ISSN
    1873-7072
    Revisión por pares
    SI
    DOI
    10.1016/j.foodchem.2021.130850
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0308814621018562
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/67387
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    • DEP57 - Artículos de revista [101]
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    Universidad de Valladolid

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