Preservation of wine without sulphite addition

A good glass of wine is a byword for quality of life -- and not just for connoisseurs. In order to avoid wine spoilage, wineries mostly add sulphur dioxide during the winemaking process. However, the sulphites that dissolve in wine can cause allergic reactions – including asthma. Within the EU they must therefore be declared as an ingredient on the label and the limits for sulphites in wine have been reduced. Sulphites unfold their preservative action in two ways.

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