Importance

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Abstract

Method for dealcoholization of a volume V1 of a wine having a percentage of alcohol by volume (ABV) of ABV value (1), comprising: a) separating the volume V1 of the wine into two fractions: one fraction concentrated by a factor k/“retentate”, the volume of this fraction being equal to 1/k V1, this fraction having an ABV value (R); one fraction “permeate” comprising predominantly water and ethanol, the volume of this fraction being equal to (k−1)/k V1, this fraction having an ABV value (P); b) removing ethanol from the permeate, c) optionally, diafiltration of the retentate to obtain a “diafiltered retentate” and a “diafiltered metabolized permeate,” said diafiltered metabolized permeate then being optionally subjected to step (b) again; d) combining a volume of retentate, optionally diafiltered retentate, and a volume of metabolized permeate, to obtain a volume V2 of dealcoholized wine, having an ABV value (2) lower than ABV (1).

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First Claim