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You are here: Home / Beers / Patent No. 5077061A: Method Of Making Alcohol-Free Beer

Patent No. 5077061A: Method Of Making Alcohol-Free Beer

December 31, 2016 By Jay Brooks

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Today in 1991, US Patent 5077061 A was issued, an invention of Christian Zurcher and Rudiger Gruss, assigned to Binding-Brauerei Ag, for their “Method of Making Alcohol-Free or Nearly Alcohol-Free Beer.” Here’s the Abstract:

A method of producing an alcohol-free or low alcohol beer comprising thermally breaking malt draff to obtain a malt draff mash from a substrate selected from the group consisting of a full- or a high-alcohol content beer brewing base or a protein fraction obtained from malt draff by digesting, boiling or autoclaving during the production of edible draff meal in a draff mash. The method homogenizes, extrudes and mechanically removes insoluble chaff from the brewing base prior to thermally breaking up the malt draff, cooling the malt draff mash to about 72° C., emzymatically breaking up the malt draff mash by adding coarsely ground malt, heating the mash to 80°-85° C., adding thereto coarsely ground malt premashed in cold water to produce a wort with a final fermentation degree of at most 60% and a temperature of 70°-74° C., which is maintained until iodine normality is attained and subjecting the iodine normal mash to mashing.

I’ve visited the brewery in Frankfurt, and done several blind panel tastings of N/A beer, and Clausthaler consistently comes in at our near the top. Also, it was our best-selling non-alcoholic when I was the chain beer buyer at BevMo. too.
clausthaler

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: History, Law, Patent, Science of Brewing



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