 IVES 9 IVES Conference Series 9 One-year aging of a Sangiovese red wine in tanks of different materials: effect on chemical and sensory characteristics

One-year aging of a Sangiovese red wine in tanks of different materials: effect on chemical and sensory characteristics

Abstract

AIM: The aim of this study was to evaluate how the different tank materials could affect the chemical and sensory characteristics of a Sangiovese red wine during one-year aging. In particular, the impact of earthenware raw amphora, uncoated concrete, epoxy-coated concrete, new oak barrel, used oak barrel, and stainless steel tank on wine color stability was investigated. At six months aging, a part of the wines in each tank was bottled to compare the effect of bottle aging with the tank aging.

METHODS: A Sangiovese red wine from 2018 harvest was aged for twelve months in different tank materials in industrial scale (5 hL) and in triplicate. Phenolic composition, color indices and acetaldehyde content were monitored monthly during twelve months aging. At six, twelve and six months of bottle aging, the wines were also characterized for volatiles, phenolics, elementals profile, tartaric stability and for quantitative descriptive analysis.

RESULTS: After six months aging, phenols, color indices, elemental and volatile compounds differentiated the wines according to the tank materials. Wine aged in new and used oak barrels showed the highest content of polymeric pigments and color indices, together with the wine aged in earthenware raw amphorae, that showed also the highest hue. After twelve months, the wines aged in new and used oak barrels were still the highest in polymeric pigments followed by the earthenware raw amphorae and uncoated concrete tanks. Moreover, the same wine aged six months in uncoated concrete tank and then six months in glass bottle showed the highest content of polymeric pigments

(1). Concerning the elementals composition

(2). the uncoated concrete wine was very high in sodium while the earthenware raw amphora enriched the wine in calcium, iron and aluminum both after six and twelve months. The volatile profiles differentiate the wine according to the tank materials: acetaldehyde content, that has an important role in color stabilization, was the highest in wine aged in used oak barrel at six months, while at twelve months in wines aged in earthenware raw amphora and uncoated concrete, and in bottle for earthenware raw amphora and used oak barrel. Sensory analysis evidenced that the six months aged wines were separated in two groups:

i) the wine in new and used barrels;

ii) the wines aged in stainless steel, epoxy-coated and uncoated concrete, and earthenware raw amphora. After twelve months, the wines aged for six months in tanks and six months in bottles were separate according to the tank materials, while the twelve months tanks aged wines seemed to maintain the same characteristics that they showed at six months aging, and were more similar between them (3).

CONCLUSIONS

The results of this study give new information about the oenological use of different tank materials for the red wine aging with particular interest on wine color stability.

DOI:

Publication date: September 13, 2021

Issue: Macrowine 2021

Type: Article

Authors

Valentina Canuti

Department of Agricultural, Food, Environmental, and Forestry Sciences and Technologies – University of Florence, via Donizetti, 6 – 50144 Firenze (Italy),Francesco MAIOLI, Department of Agricultural, Food, Environmental, and Forestry Sciences and Technologies – University of Florence, via Donizetti, 6 – 50144 Firenze (Italy) Monica PICCHI, Department of Agricultural, Food, Environmental, and Forestry Sciences and Technologies – University of Florence, via Donizetti, 6 – 50144 Firenze (Italy) Lorenzo GUERRINI, Department of Agricultural, Food, Environmental, and Forestry Sciences and Technologies – University of Florence, via Donizetti, 6 – 50144 Firenze (Italy) Alessandro PARENTI, Department of Agricultural, Food, Environmental, and Forestry Sciences and Technologies – University of Florence, via Donizetti, 6 – 50144 Firenze (Italy) Bruno ZANONI, Department of Agricultural, Food, Environmental, and Forestry Sciences and Technologies – University of Florence, via Donizetti, 6 – 50144 Firenze (Italy)

Contact the author

Keywords

sangiovese, concrete tank, earthenware raw amphorae, volatile profile, phenolic compounds, quantitative descriptive analysis

Citation

Polysaccharide families of lyophilized extracts obtained from unfermented varietal grape pomaces

The recovery of bioactive compounds from grape and wine by-products is currently an important objective for revaluation and sustainability. Grape pomace is one of the main by-products and is a rich source of some bioactive compounds. The aim of this study was to evaluate the polysaccharide (PS) composition of extracts obtained from pomaces of different white and red grape varieties of Castilla y León. Grape pomaces were obtained after the pressing in the winemaking process.

Field performance of red and white “pilzwiderstandsfähige” (PIWI) cultivars in the south of Uruguay

As knowledge about the oenological potential of disease-tolerant grape varieties (PIWI) continues to grow and consumer demand for product safety and sustainable production increases, more governments worldwide are permitting the cultivation of these varieties [1].

Extreme canopy management for vineyard adaptation to climate change: is it a good idea?

Climate change constitutes an enormous challenge for humankind and for all human activities, viticulture not being an exception. Long-term strategic changes are probably needed the most, but growers also need to deal with short-term changes: summers that are getting progressively warmer, earlier harvest dates and higher pH in musts and wines. In the last 10-15 years, a relevant corpus of research is being developed worldwide in order to evaluate to which extent extreme canopy management operations, aimed at reducing leaf area and, thus, limiting the source to sink ratio, could be useful to delay ripening. Although extreme canopy management can result in relevant delays in harvest dates, longer term studies, as well as detailed analysis of their implications on carbohydrate reserves, bud fertility and future yield are desirable before these practices can be recommended.

Monitoring grapevine water status using Landsat 8 images: a two-year case study in a Merlot vineyard

Viticulture needs for spatial and temporal information are increasing to improve vineyard management, especially concerning water efficiency. Remote sensing, particularly from satellites, can be a powerful tool to assess vineyard characteristics such as vigor or water status in space-time. In this study, we use Landsat 8, an American Earth observation satellite with six bands from the visible (VIS) to the Short-Wave Infrared (SWIR) domains with 30m spatial resolution and two thermal bands with 100m spatial resolution.

Approche méthodologique concernant une caractérisation sensorielle de vins rouges de l’Anjou

Face à une concurrence de plus en plus rude entre pays producteurs, le vignoble de l’Anjou, déjà riche par sa diversité, souhaite renforcer sa logique de vins d’ A.O.C., notamment au travers de ses vins rouges.