C - Chemistry – Metallurgy – 12 – C
Patent
C - Chemistry, Metallurgy
12
C
C12C 3/00 (2006.01) C11B 1/10 (2006.01) C11B 9/00 (2006.01) C12C 3/08 (2006.01)
Patent
CA 2157701
A solubilized water-dispersible lipidic hop extract composition, consisting of hop aroma and flavor components and comprising at least 10% by weight of free fatty acid flavor and aroma substances derived from hops, is useful to increase the utilization of the hop aroma and flavor compo- nents. It may be produced by treatment of an extract of hops with an excess of alkali. The starting hop extract, made conventionally as by extraction with organic solvent or supercritical carbon dioxide, preferably has alpha, isoalpha, and beta hop acids removed before treatment with excess alkali. A cosolvent, such as a lower alkanol, polyol, or wetting agent, heat, or high shear may be used to improve mixing of the lipidic organic phase of the hop extract with the excess alkali. The solubilized water- dispersible lipidic hop extract imparts an enhanced hop aroma and flavor upon addition to the wort at some point during the brewing process between boiling and the begin- ning of fermentation. A beer incorporating the solubilized lipidic hop extract has a stronger hop aroma and flavor than beer incorporating the usual unsolubilized hop extract.
Guzinski James A.
Schulze Mark H.
Kalamazoo Holdings Inc.
Perley-Robertson Hill & Mcdougall Llp
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