Terroir 1996 banner
IVES 9 IVES Conference Series 9 Estudio comparativo del potencial enológico de dos varietales tintos cultivados en la isla de Tenerife

Estudio comparativo del potencial enológico de dos varietales tintos cultivados en la isla de Tenerife

Abstract

En el presente trabajo se ha realizado un estudio comparativo entre los varietales tintos Listán negro y Negramolle en la Denominación de Origen Tacoronte-Acentejo. Se han determinado durante dos años, los parámetros clásicos de maduración, el contenido en fenoles, los antocianos y los antocianos extraibles. Así mismo, se llevaron a cabo vinificaciones experimentales con dichos cultivares en orden a determinar no solo el potencial sino también su aptitud enológica. Del análisis de los resultados obtenidos sobre las uvas en maduración, se desprenden unos valores más adecuados de pH y contenido en potasio en la variedad Negramolle frente a la Listán negra, y un contenido en materia colorante potencialmente inferior en la variedad Negramoll. Sin embargo, estudiando la evolución frente al tiempo de los vinos elaborados, el contenido en antocianos y fenoles totales decae más rápidamente en la variedad Listán negra, manteniéndose más estable la variedad Negramolle.

DOI:

Publication date: February 24, 2022

Issue: Terroir 2000

Type: Article

Authors

J. L. González-González (1), R. Armas-Benítez (1), M.A. Hernández-Cabrera (1), E. González-Díaz (2), J. Darias-Martín (3)

(1) Consejería de Agricultura, Ganadería, Pesca y Alimentación del Gobierno Autónomo de Canarias. Dirección General de Política Agroalimentaria
(2) Instituto Canario de Investigaciones Agrarias
(3) Departamento de Ingeniería Química y Tecnología Farmacéutica. Area de Tecnología de Alimentos. Universidad de La Laguna

Keywords

Maduración, potencial enológico, varietales tintos, antocianos

Tags

IVES Conference Series | Terroir 2000

Citation

Related articles…

Photodegradation of retsina wine: does pine resin protect against light-induced changes?

Retsina is a wine deeply rooted in Greek tradition but often misunderstood, largely due to the poor quality associated with past production. Historically, pine resin was used to seal wine transport containers, and over time, its distinctive aroma led to its intentional incorporation into winemaking.

Towards a relationship between institutional clonal selection, mass selection and private clonal selection of grapevine cultivars

Each grape cultivar is composed of a population of individuals that are genetically different. Clonal selection has allowed the purification and improvement of the global quality

Organoleptic and analytical impacts of the color of glass of the bottles on Chasselas wine

This study was performed on Chasselas wine to assess the impact of exposure to wine light according to several glass color of bottles. The aim was to highlight any differences whether from an organoleptic or analytical point of view depending on the color. For this, four different shades were compared, dead leaf, green, cinnamon and transparent. A control, not treated with light, was also included in the study…

Exogenous dsRNA applications to identify novel candidate susceptibility genes to downy mildew

One of the major threats to viticulture is represented by fungal pathogens. Plasmopara viticola, an oomycete causing grapevine downy mildew, is one of the principal causes of grape production losses. The most efficient management strategies are represented by a combination of agronomical practices, fungicides’ applications, and use of resistant varieties. Plant resistance is conferred by the presence of resistance (R) genes. Opposed to them, susceptibility (S) genes are encoded by plants and exploited by pathogens to promote infection. Loss or mutation of S genes can limit the ability of pathogens to infect the host. By exploiting post-transcriptional gene silencing, known as RNA intereference (RNAi), it is possible to knock-down the expression of S genes, promoting plant resistance.

Application to the wine sector of European Convention on the landscapes

The landscape is defined by the European convention of the landscape (Florence, October 20, 2000) like part of the territory as perceived by the populations, whose character results from the action of natural and/or human factors and their interrelationships. This convention is based on the contribution cultural, ecological, environmental, social of the landscapes and aims at a reinforcement of the tools of protection and valorization in particular in the agricultural policies, of regional planning and town planning. Moreover, it encourages a step of identification and qualification of the landscapes and underlines the need for developing the sensitizing and the training of the actors concerned.