Chaptalisation: nf Chaptalisation consists of adding sugar to the must to increase the final alcohol level of the wine after alcoholic fermentation. In theory, adding 16,83 grams of sugar per liter results in the production of an extra degree of alcohol. The added sugar (cane, beet ...) is sucrose, and it is normally infermentable. Moreover, it serves as a preservative by preventing the development of yeasts and germs, as in concentrates, ...
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