Wine glossary

Chaptalization
Definition:Legal addition of sugar (from sugar beet)

The Chaptalization of wine, as defined by the addition of sugar beet (sucrose) to the grape must, to increase the alcohol strength of the wine. The maximum permitted limit for chaptalization of Austrian Quality Wine is 3.4kg of sucrose to 100 lites of grape must, which equates to a maximum increase of 2% alcohol by volume.