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1. (WO2015121360) METHOD FOR EXTRACTION AND DISSOLUTION OF HOP ACIDS IN AQUEOUS MEDIA

Pub. No.:    WO/2015/121360    International Application No.:    PCT/EP2015/052990
Publication Date: Fri Aug 21 01:59:59 CEST 2015 International Filing Date: Fri Feb 13 00:59:59 CET 2015
IPC: C12C 3/08
C12C 3/12
Applicants: IFAST NV
Inventors: MERTENS, Pascal
Title: METHOD FOR EXTRACTION AND DISSOLUTION OF HOP ACIDS IN AQUEOUS MEDIA
Abstract:
The present invention relates to a method for extraction and dissolution of hop acids, including alpha-acids, iso-alpha-acids, beta- acids and derivatives thereof, in aqueous media, comprising the formation of quaternary ammonium salts of hop acids with quaternary ammonium compounds, preferably choline compounds, or mixtures thereof. The invention further relates to, the use of quaternary ammonium salts of hop acids in the beer brewing process. The present invention further relates to a method for preparing a brewed beverage, particularly for brewing a beer, and in particular to a method to improve the utilization of hop acids, including alpha-acids and (reduced) iso-alpha-acids in the brewing process.