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Atributos sensoriales con capacidad predictiva en el amargor de vinos tintos

Authors: Fernández-Zurbano, Purificación; Avizcuri, J. M.; Gonzalo-Diago, Ana; González Hernández, Marivel; Dizy, Marta; Sáenz-Navajas, María-Pilar; Ferreira, Vicente;

Atributos sensoriales con capacidad predictiva en el amargor de vinos tintos

Abstract

En la bibliografía, muy habitualmente, se asigna como responsables del sabor amargo de los vinos a los compuestos fenólicos de bajo peso molecular como flavanoles, ácidos fenólicos v proantocianidinas constituidas por menos de 3-4 unidades. Sin embargo, existen pocos trabajos en los que se muestre la capacidad predictiva del sabor amargo de los vinos en base a la composición química citada. La evaluación sensorial de 6 fracciones amargas obtenidas a partir de 6 vinos distintos no mostró correlación con el amargor evaluado en los vinos. Por esto, un mayor número de vinos fueron evaluados sensorialmente en boca y nariz v analizada la composición fenólica de bajo peso molecular. Los resultados muestran que los atributos aromáticos >vegetal>, •animal> v >fruta seca> y los atributos en boca >acidez>, >astringencia> y >persistencia> están significativamente correlacionados con el amargor evaluado en los vinos. El modelo matemático que retiene los atributos >vegetal>, >acidez> y >astringencia> tiene una alta capacidad predictlva y los atributos >acidez> v >astringencia> mejora el modelo construido únicamente con los compuestos fenólicos de bajo peso molecular.

Este trabajo se ha realizado dentro del proyecto del Plan Nacional de I+D financiado por el Ministerio de Ciencia e Innovaciçon AGL2010-22355-CO2-02.

Póster presentado en el XIII Congreso Nacional de Investigación Enológica (GIENOL 2015), celebrado en Tarragona del 9 al 12 de junio de 2015.

Peer Reviewed

Keywords

Atributos aromáticos, Amargor, PLS, Compuestos fenólicos, Vinos, Acidez

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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