Banner terroir 2002
IVES 9 IVES Conference Series 9 Improvement of the red wine AOC Grignolino d’Asti typicality using some technological innovations

Improvement of the red wine AOC Grignolino d’Asti typicality using some technological innovations

Abstract

[English version below]

L’AOC Grignolino d’Asti (20000 hl environ de production) est un vin de la province de Asti, produit avec le raisin rouge du cépage de même nom originaire du Piémont (Nord-Ouest d’Italie). Ces derniers temps l’AOC a enregistré des pertes économiques considérables dues aux caractéristiques peu agréables des vins : couleur (nuances jaune-orangée), l’astringence et l’amertume plutôt évidentes. Le but de ce travail est la valorisation sernorielle du vin dans le respect de sa typicité. Nous avons étudié trois techniques récentes de vinification : la microoxygénation, l’utilisation de préparations enzymatiques, la macération à froid. Également, nous avons défini la typicité et évalué l’acceptabilité de vins du Grignolino d’Asti du commerce, des vins expérimentaux et de leurs témoins. Les résultats de la première année d’étude montrent que les techniques utilisées n’ont pas modifié la typicité du vin, mais n’ont pas apporté d’amélioration qualitative.

 

The AOC Grignolino d’Asti (about 20.000 hl produced) is a red wine of the Asti province; it is produced with the same red grape variety, which is native of Piedmont (North-West of Italy). In the last years it has been observed a drop in its sales, probably due to the unpleasant characteristics of its colour (yellow tones) and to its evident astringency and bitterness. The aim of this work is to improve the sensory characteristics of this wine respecting its typicality. We applied three rew winemaking techniques: the micro-oxygenation, the use of enzymes and the cold maceration. The typicality of this wine has been defined and aiso the acceptability of some commercial wines and of the experimental wines. The results of the first year of studies show that none of the winemaking techniques used improve the quality of this product.

Download the PDF

DOI:

Publication date: February 15, 2022

Issue: Terroir 2002

Type: Article

Authors

Mario UBIGLI (1), Maria Carla CRAVER0 (1), Pierstefano BERTA (3), Mario REDOGLIA (2), Elena MAROCCO (2), Igor ZANZOTTERA (1), Cristina PONTE (1)

(1) Istituto Sperimentale per l’Enologia, via P.Micca, 35 – 14100 ASTI
(2) Agriconsult – Corso Einaudi, 114 – 14100 ASTI
(3) OICCE – Corso Libertà, 61 – 14053 CANELLI

Contact the author

Keywords

AOC Grignolino d’Asti, analyse sensorielle, technologies avancées, typicité, marché
AOC Grignolino d’Asti, sensory analysis, technologicaI innovations, typicality, market

Tags

IVES Conference Series | Terroir 2002

Citation

Related articles…

The effects of perennial cover crop management on soil temperature and vine water status

The implications of perennial cover crop management on vine vigor and yield have been well documented. However, whereas multiple studies show that cover crop management affects grapevine dry matter production, water, and nutrient status, the specific effects of a new hybrid perennial cover crop on soil temperature and its relationship to vine water status in vineyards has not been explored. This study will compare 3 different perennial cover crop combinations and tillage practices with a no-till seeding of a new hybrid perennial, Poa bulbosa (Pb).

Read More

Impact of some agronomic practices on grape skins anthocyanin content

Wine colour is the first quality characteristic to be assessed, especially regarding red wines. Anthocyanins are very well known to be the main responsible compounds for red wine colour. Red cultivars can synthesize and accumulate anthocyanins in berry skin to express their colour. However, anthocyanin accumulation is often influenced by a series of factors, such as genetic regulation, phytohormones, environmental conditions and viticultural management.

Read More

An evaluation of the physiological responses of young grapevines planted and maintained under water constraint 

The aim of this ongoing study is to evaluate the degree of adaptability of grapevine scion:rootstock combinations to different conditions of water constraint. Here we present results from the young vine development phase, using three scenarios of water constraint that were implemented from planting. The experimental vineyard was established in 2020 and the data presented will cover the 2021/2022 and 2022/2023 seasons. The experiment consisted of the cultivars Pinotage (PIN), Shiraz (SHI) and Cabernet Sauvignon (CAB), grafted on two rootstocks, Richter 110 (R110) and USVIT-8-7 (US87).

Read More

Valutazione comparativa di cloni di Pinot nero per la produzione di vini base spumante in alcuni ambienti del Piemonte

Un vasto programma si riferisce alla verifica di 28 selezioni clonali di Pinot nero atte a vini base spumante. Gli impianti sono stati realizzati in diversi ambienti delle Langhe e del Monferrato nel periodo 1992-1996, in 57 vigneti diversi e su una superficie complessiva di circa 50 Ha.

Read More

Histoire des Vitis depuis leurs origines possibles sur la Pangée jusqu’aux cépages cultivés : un exemple de résilience liée à la biodiversité des espèces

The first forms of life on earth were bacteria and single-celled blue-green algae. They evolved into land plants around 500 million years ago, developing mechanisms for surviving on land, such as roots, stems and leaves. This evolution also led them to coexist with other organisms, such as insects and animals, for pollination and seed dispersal, as well as to resist environmental factors such as drought and disease.

Read More