Terroir 2010 banner
IVES 9 IVES Conference Series 9 Influenza delle componenti climatiche e pedologiche sulla variabilità dei contenuti polifenolici in alcuni ambienti vitati della DOCG Sagrantino di Montefalco

Influenza delle componenti climatiche e pedologiche sulla variabilità dei contenuti polifenolici in alcuni ambienti vitati della DOCG Sagrantino di Montefalco

Abstract

Obiettivo del progetto è la valutazione dell’influenza climatica e pedologica dell’areale di Montefalco sul vitigno Sagrantino, ponendo particolare attenzione alla componente polifenolica e antocianica. Sono stati quindi messi a confronto, a partire dal 2001 fino al 2008, sei differenti zone tutte situate all’interno dell’areale DOCG Sagrantino di Montefalco; per ciascun vigneto alla vendemmia sono state effettuate analisi sui parametri analitici e sul contenuto polifenolico e antocianico delle uve. Ognuna delle sei zone è inoltre stata caratterizzata dal punto di vista pedoclimatico, valutando l’influenza del clima e della tipologia di suolo sui parametri analitici presi in considerazione.

English version: The reason of the present project is the evaluation of climatic and pedologic influence of the Montefalco area on the cultivar Sagrantino, with particular attention to the anthocyanic and polyphenolic components. Six different vineyards, localized in the DOGC “Sagrantino di Montefalco” area, were under observation from 2001 to 2008; for each vineyard, analysis of analytical parameter and polyphenolic and anthocyanic content of grapes were done at the vintage. All areas have been also characterized for pedoclimatic aspects, studying the relationship between clima and soil together with analytical parameters.

DOI:

Publication date: October 6, 2020

Issue: Terroir 2010

Type: Article

Authors

Valenti L. (1), Mattivi F. (2), Compagnoni M. (3), Mariani L. (1), Dell’Orto M.(1), Ghiglieno I. (1)

(1) Università degli studi di Milano, Facoltà di Agraria, Dipartimento di Produzione Vegetale, Via Celoria, 2 20133 Milano
(2) IstitutoAgrario di SanMichele all’Adige (IASMA), Centro Sperimentale, Dipartimento. Laboratorio Analisi e Ricerche, via E.Mach 2, 38010 San Michele all’Adige
(3) Studio di Geologia Applicata, via G. Randaccio 21, 25128 Brescia

Keywords

Polyphenolic components – Climate analysis – Pedologic analysis – Bioclimatic indices

Tags

IVES Conference Series | Terroir 2010

Citation

Related articles…

Correlative study between degradation of rosé wine under accelerated conditions and under normal conditions

Several studies have tried to develop different methods to study the photodegradation of wine in an accelerated way, trying to elucidate the effect of light on the wine compounds[1]. In a previous study, our team developed a chamber that speeds up the photodegradation of rosé wine[2]. In the present work we have tried to establish a correlation between irradiation times in accelerated conditions and the natural exposure to the cycles of light that usually exist in markets or at home.

Delimitation of Saint-Bris AOC: example of reasonning delimitation criteria from production customs

La définition de l’Appellation d’Origine précise que les caractères du produit doivent être dus au milieu géographique, celui-ci intégrant des facteurs naturels et humains.

Sensory impact of acetaldehyde addition in Syrah red wines

Acetaldehyde is a volatile carbonyl compound synthetized by yeast during alcoholic fermentation, but it can also be formed by oxidation of ethanol during wine aging [1]. At low concentration, it enhances the fruity aroma, however, at higher levels, it can generate the appearance of notes of bruised and rotten apple [2]. From a chemical point of view, acetaldehyde is a reactive low-

Can soil nitrate explain polyphenol and anthocyanin content in vineyard with similar available soil water regime? 

Nitrogen (N) is quite important nutrient in grapevine development and must quality, but under Mediterranean climatic conditions, available soil water (ASW) during grapevine development can also influence vigour and must quality. The aim was to determine the influence of soil nitrate (NO3-) availability on N foliar, yield, and must quality in vineyards with similar available water holding capacity (AWC). For this purpose, four cv. Tempranillo (Vitis vinifera L.) vineyards were selected. All of them are placed in Uruñuela municipality (La Rioja, Spain), separated less than 2.5 km and in a slope <1 %, in soils with similar soil chemistry properties and with similar rooting depth (ranging between 105 cm and 110 cm).

A general phenological model for characterising grape vine flowering and véraison

The timing of phenology is critical if grape quality potential is to be optimized. Phenological process based models are used to predict phenology. In this study, three different models