Process for the reduction of the alcohol content of alcoholic be

Details Process for the reduction of the alcohol content of alcoholic be Process for the reduction of the alcohol content of alcoholic be

1990-04-18

1991-07-23

Paden, Carolyn

Food or edible material: processes, compositions, and products

Inhibiting chemical or physical change of food by contact...

Treating liquid material

426493, 426494, 426592, C12F 100

Patent

active

050342380

ABSTRACT:
In a process for the reduction of the alcohol content of alcoholic beverages, in which aromatic substances are extracted with liquid or supercritical CO.sub.2, alcohol is separated by distillation and the extracted aromatic substances are at least partially recycled to the beverage with reduced alcohol content, the feedstock, especially wine or beer, is first subjected to a distillation under subatmospheric pressure. The distillate is subjected to an extraction with liquid or supercritical CO.sub.2, after which the extract is partially expanded to separate the aroma, and then under the residual pressure is recycled to the bottom product of the distillation in a collecting tank for the end product.

REFERENCES:
patent: 3917865 (1975-11-01), Shaw
patent: 4282259 (1981-08-01), Wheldon
patent: 4327184 (1982-04-01), Johnson
patent: 4504503 (1985-03-01), Biernoth
patent: 4561941 (1985-12-01), Dinnage
patent: 4790993 (1988-12-01), Schedl
patent: 4867997 (1989-09-01), Wiesenberger
patent: 4942045 (1990-07-01), Thumm

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