Alcoholic beverage

C - Chemistry – Metallurgy – 12 – C

Patent

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Details

C12C 12/00 (2006.01) C12C 5/00 (2006.01) C12C 5/02 (2006.01) C12C 7/00 (2006.01) C12G 3/00 (2006.01) C12G 3/02 (2006.01) C12G 3/06 (2006.01)

Patent

CA 2506853

The invention provides a method of producing a fermented beverage. A starch hydrolysate is fermented in the presence of yeast, a soluble nitrogenous yeast nutrient source, and an enzyme that releases fermentable carbohydrates from the starch hydrolysate to achieve a fermented beverage. The soluble nitrogenous yeast nutrient source is present in an amount sufficient to sustain fermentation of the starch hydrolysate to an inactivating alcohol concentration in the fermented beverage without being rate-limiting in the fermentation. The method can further comprise carbon filtration and ion exchange filtration to substantially remove impurities. A fermented beverage having substantially neutral flavor and substantially neutral odor prepared in accordance with the inventive method also is provided.

L'invention concerne un procédé de production d'une boisson fermentée. Un hydrolysat d'amidon est fermenté en la présence de levure, une source d'éléments nutritifs de levure azotés solubles et d'une enzyme libérant des glucides fermentables de l'hydrolysat d'amidon pour obtenir une boisson fermentée. La source d'éléments nutritifs de levure azotés solubles est présente en une quantité suffisante pour entretenir la fermentation de l'hydrolisat d'amidon jusqu'à une concentration d'alcool inactivante dans la boisson fermentée sans limiter la vitesse de fermentation. Le procédé peut également comprendre une filtration au carbone et une filtration par échange ionique afin d'éliminer sensiblement les impuretés. L'invention concerne également une boisson fermentée présentant un arôme sensiblement neutre et une odeur sensiblement neutre préparée selon le procédé de l'invention.

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