Hop extracts and method of preparation

Details Hop extracts and method of preparation Hop extracts and method of preparation

C - Chemistry, Metallurgy

12

C

195/15

C12C 3/00 (2006.01)

Patent

CA 1144095

ABSTRACT Hop extracts useful in the preparation of anactinic or light stable malt beverages are obtained by a method which does not use organic solvents. The extracts are obtained by first treating a crude hop extract containing humulone with an aqueous reducing solution, heating the resulting mixture to form reduced isohumulone, acidifying the reaction mixture to form an aqueous phase and an organic phase, and then adjusting the temperature to facilitate the separation of the two phases. The organic phase which is obtained contains the desired isomerized and reduced humulone and it can be used as an anactinic brew kettle flavoring additive for beer or ale.

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