Exploring the resistance of non-Saccharomyces wine yeasts to dehydration-rehydration processes
AIM: The use of non-Saccharomyces (NS) yeasts in multi-starter fermentations with S. cerevisiae is a trend in the wine industry, but the number of strains commercially available in a powder formulation, such as active dry yeasts (ADY), is still limited.
Effect of the addition of polysaccharides extracted for grape pomace and must on sensory and chemical composition of white wines
AIM: The objective of this work is to study the effect of the addition of polysaccharides extracted for grape pomace by-products and musts on sensory and chemical composition of white wines. Much of the waste obtained in the wine sector is not used, and they can have some valuable compounds, such as the polysaccharides (PS).
Are my bubbles shrinking? A deeper look at oxygen desorption in wine
In the past decade, there has been an increasing amount of work dedicated to understanding micro-oxygenation in wine.
Effect of grape polysaccharides on the volatile composition and aromatic profile of Viura wines
AIM: Many research studies have analyzed the effect of polysaccharides in the aromatic composition of white wines.
Effect of different winemaking techniques and grape variety on chemo-sensory parameters of white wines
AIM: Study the chemical and sensory parameters of fifty commercial white wines elaborated with different techniques (fermented in oak barrel and aged on lees (FB+AL); aged on lees (AL); and without aging (WA)) and different grape varieties (Verdejo, Sauvignon blanc and Godello).
Microwave treatment of grapes: effect on the must and red wine polysaccharide composition
AIM: The application of microwaves (MW) to the grape is a technique to reduce the contact time with pomace because it allows to break the cell walls of the berry.
Under-vine cover crop: effect over glycosidic aroma precursors of Vitis vinifera L. Cv Syrah
AIM: Volatile compounds joint to aromatic precursors form the aroma of grape must that will provide a characteristic aroma to the wine.
The role and quantification of vitamins in wine: what do we know?
AIM: Vitamins are essential compounds to numerous organisms, including yeasts, and appear highly significant during winemaking processes.
Aroma composition of mono-varietal white wines for the production of Custoza
AIM: The appellation “Bianco di Custoza” or “Custoza”, born in 1971, is one of the oldest white wines Protected Designation of Origin in Italy.
Chemical and sensory diversity of regional Cabernet-Sauvignon wines
AIM: To investigate chemical and sensory drivers of regional typicity of Cabernet Sauvignon from different geographical regions of Australia.
Proanthocyanin composition in new varieties from monastrell
AIM: Proanthocyanidins are responsible in an important way for positive aspects in wines, such as body and color stability in red wines, but they are also responsible for sensory characteristics that can be negative for their quality when found in excessive concentrations.
Fluorescence spectroscopy with xgboost discriminant analysis for intraregional wine authentication
AIM: This study aimed to use simultaneous measurements of absorbance, transmittance, and fluorescence excitation-emission matrix (A-TEEM) combined with chemometrics as a rapid method to authenticate wines from three vintages within a single geographical indication (GI) according to their subregional variations
Use of membrane ultrafiltration technology to achieve protein stabilisation of white wine
AIM: Proteins in white wine can cause cloudiness or haze after bottling, which consumers may consider an indicator of poor quality. . As a consequence, winemakers often use bentonite, a clay-based material that binds protein, to remove proteins and achieve protein stabilisation. However, removing bentonite from wine after treatment can result in a 3-10% loss of wine (1)…
Evaluation of intrinsic grape berry and cluster traits for postharvest withering kinetics prediction
To make some particular wine styles (e.g., Amarone), grapes are harvested and stored in dehydrating rooms before vinification, in a process called withering
Determination of quality related polyphenols in chilean wines by absorbance-transmission and fluorescence excitation emission matrix (a-teem) analyses
Phenolic composition is essential to wine quality (Cleary et al., 2015; Bindon et al., 2020; Niimi et al., 2020) and its assessment is a strong industrial need to quality management.
Biosurfactant from corn-milling industry improves the release of phenolic compounds during red winemaking
AIM: Biosurfactants can be used as emulsifier agents to improve the taste, flavour, and quality of food-products with minimal health hazards [1]. They are surface-active compounds with antioxidant and solubilizing properties [2].
Impact of cover crop in vineyard on the musts volatile profile of Vitis vinifera L. Cv Syrah
rape aromatic characteristics are very important for the production of quality wines. The concentrations of volatile compounds in grape berries from vines with cover crops have been scarcely studied.
Desorption of phenolic compounds bound to lees by combining hydrolytic enzymes and ultrasounds
he final concentration of phenolic compounds in the wines is usually lower than what might be expected given the phenolic concentration measured in grapes
Phenolic extraction and mechanical properties of skins and seeds during maceration of four main italian red wine grape varieties
AIM: Red grape varieties are characterized by different phenolic contents (prominently tannins and anthocyanins) found in skins and seeds.
Chemometric profiling of Pinot noir wine from south tyrol as a tool to reach wine style goals
AIM: Pinot Noir (PN) wines produced in South Tyrol were profiled with the aim to provide guidelines for the oenologist to reach specific winemaking goals in terms of typicity and quality.