Monthly Archives: November 2018

Residual Sugar in Wine

Residual sugar, or RS, is the measure of sugar present in the wine after fermentation. During fermentation yeast attacks sugar (Glucose + Fructose), and the by-product is CO2 and alcohol (our most favorite.) After this chemical reaction, the measure of fermentable sugars left over is residual sugar – usually expressed in grams per liter (g/L) […]

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