C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/588.5
C07C 49/743 (2006.01) C07C 45/80 (2006.01) C12C 3/10 (2006.01)
Patent
CA 1099289
ABSTRACT OF THE DISCLOSURE A method of preparing a hop extract is described in which liquid carbon dioxide is passed at a temperature of from -5°C to +15°C through a column of hop material to extract .alpha.-acids contained therein. The method gives a primary extract which is of much higher purity than has been previously described particularly in comparison to presently commercially available solvent extracts. - 1 -
295222
Bath Nigel A.
Ennis Colin S.
Laws Derek R. J.
Wheldon Alfred G.
Brewing Patents Limited
Fetherstonhaugh & Co.
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