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gluconic acid (GB)
One of the wines contained in the wine and honey in small quantities acids (also dextronic acid), which belongs to the non-volatile acids counts. The complete name is D-gluconic acid, the chemical name is pentahydroxyhexanoic acid. It is an oxidation product of glucose (Glucose). At by Botrytis (Noble rot) infested grapes, the proportion of gluconic acid is greater. In the research institute Geisenheim there are attempts by means of the enzyme Glucose oxidase glucose in the grape into gluconic acid and thus the sugar to reduce. The gluconic acid can namely from the yeasts not in alcohol being transformed. This allows targeted wines with balanced Alcohol content are produced (see under alcohol reduction ). A list of all wine ingredients is under total extract contain.

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