ArticleFoods (Basel, Switzerland)2026
Volatile and Sensory Profiles of Young Red Wines Treated with Yeast and Grape Polysaccharides After Malolactic Fermentation.
Article in Foods (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Volatile compounds contribute to wine aroma and can interact with polyphenols, polysaccharides (PS), and proteins. This work evaluated the effects of adding different PS extracts obtained from winery by-products, must and wine on the volatile composition and sensory attributes of young red wines. These results highlight the effect of the wine matrix on the impact of PS on the volatile composition. The highest concentrations of volatile compounds were reached in wines with higher phenolic content and mainly those treated with PS extracts contained higher proportions of low-molecular-weight PS (55-68%). These PS extracts maintained high concentrations of compounds related to fruity and floral aromas, such as ethyl esters of fatty acids (8-23%), alcohol acetates (9-23%), and terpenes (11-43%). In addition, the PS extracts from winery by-products and wines improved taste sensations in young red wines, mainly those with high acidity, by reducing acidity, bitterness and astringency. Therefore, PS extracts obtained from by-products have the capacity to modulate the volatile composition and mouthfeel of red wines with high phenolic content, excess acidity or astringency.
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