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Effects of the maceration enzymes on evolution of pyranoanthocyanins and cinnamic acids during the cabernet gernischet (Vitis vinifera L. cv.) red wine making
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Effects of the maceration enzymes on evolution of pyranoanthocyanins and cinnamic acids during the cabernet gernischet (Vitis vinifera L. cv.) red wine making
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Effects of the maceration enzymes on evolution of pyranoanthocyanins and cinnamic acids during the cabernet gernischet (Vitis vinifera L. cv.) red wine making
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Journal Article
Effects of the maceration enzymes on evolution of pyranoanthocyanins and cinnamic acids during the cabernet gernischet (Vitis vinifera L. cv.) red wine making
2010
Overview
The effects of the maceration enzymes on the evolution of 4-vinylphenols pyranoanthocyanins and cinnamic acids were investigated during the Cabernet Gernischet red wine making. The results showed that the contents of p-coumaric acid and caffeic acid in the maceration enzyme-treated wine (the treated wine) were higher than those in the maceration enzyme-untreated wine (the control wine) at the alcoholic fermentation (AF), maceration (M), and malolactic fermention (MLF) stages. Malvidin-3-O-glucoside-4-vinylphenol (Mv-glu-vp) and malvidin-3-O-(6-O-acetyl)-glucoside-4-vinylphenol (Mvacet-glu-vp) were formed at the AF and M stages in the treated wine, while they were formed at the end of MLF stage in the control wine. However, the contents of these 2 kinds of 4-vinylphenol pyranoanthocyanins in the control wine were higher than those in the treated wine during aging. These results showed that the use of maceration enzymes in winemaking can promote p-coumaric acid and p-caffeic acid transformed to vinylphenols and accelerate the formation of pyranoanthocyanins.
