Process for the extraction of hop constituents

Details Process for the extraction of hop constituents Process for the extraction of hop constituents

C - Chemistry, Metallurgy

12

C

195/15

C12C 3/10 (2006.01) B01D 11/02 (2006.01)

Patent

CA 1239601

ABSTRACT OF THE DISCLOSURE An improved process is provided for obtaining extracts from hops, hop powder or enriched pellets. The process comprises extracting hops, hop powder or hop pellets with supercritical carbon dioxide under pressures of up to 300 bar at a temperature above 100°C; and separating the extracts from the obtained solution by reduction of the dissolving power of the carbon dioxide. By such process, a yield is obtained which is comparable to that of a conventional methylene chloride extraction, without the possible disadvantages of the use of, for instance, chlorinated hydrocarbons.

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