Levulose: nf Sugar also called fructose contained with glucose, in the pulp of the grape. These sugars come from chlorophyll assimilation, that is to say from the assimilation of carbon dioxide by plants (or photosynthesis). They have a content between 200 and 350g/l and have the ability to be transformed into alcohol by yeasts, in an anaerobic environment (where there is no presence of oxygen). These are fermentable sugars....
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