The polysaccharides of winemaking: From grape to wine

酒糟 多糖 酿酒 葡萄酒 食品科学 酵母 化学 苹果酸发酵 生物 生物化学 遗传学 细菌 乳酸
作者
Hayden R. Jones-Moore,Rebecca E. Jelley,Matteo Marangon,Bruno Fedrizzi
出处
期刊:Trends in Food Science and Technology [Elsevier]
卷期号:111: 731-740 被引量:42
标识
DOI:10.1016/j.tifs.2021.03.019
摘要

Polysaccharides are a major class of complex macromolecules present in the wine matrix. These polysaccharides can be classified as being either grape or yeast derived. The key polysaccharides identified within the wine matrix are the pectic polysaccharides: polysaccharides rich in arabinose and galactose (PRAG), rhamnogalactouronans (RG-I and RG-II) and yeast mannoproteins (MP). The transformation of grapes into wine induces significant changes in the chemical composition and profile of these polysaccharides. This review aims to summarise and discuss the prevalence of polysaccharides in wine, with a focus on their profile during the transformation from grape to wine. This study emphasises the chemical complexity of the wine matrix, highlighting the many factors influencing the profile and abundance of polysaccharides which could in turn assist winemakers in making informed decisions. Many factors during grape maturation and throughout the winemaking process have been shown to influence the profile and chemical composition of polysaccharides. Environmental factors can significantly influence the polysaccharide profile of grape berries prior to harvest. Fermentation is responsible for the largest modification in the polysaccharide profile throughout vinification. Overall, the transition of must to wine is characterised by an increase in grape derived AGPs and RG-II, as well as a dramatic and progressive increase in yeast MP, especially true for wines aged on yeast lees.
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