Process for extracting bitter flavoring principles from hops

Details Process for extracting bitter flavoring principles from hops Process for extracting bitter flavoring principles from hops

1976-03-31

1979-07-10

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4500, C07C 4516, C07C 4524

Patent

active

041607872

ABSTRACT:
A process is described for converting the .alpha.- and .beta.-acids of hops into the iso-.alpha. acids for use as a bitter flavoring principle ingredient for beers. The .alpha.-acids content of the hops is directly isomerized to the iso-.alpha.-acid, the bitter principle ingredient. The .beta. acids in the hops extract is transformed to the .alpha. acid either after a direct separation step before the .alpha.-acid isomerization or the residual .beta.-acids, after the isomerization, are then transformed and the resultant .alpha.-acid is isomerized. The .beta.-acid transformation results from a radiation activation followed by an oxidation step with a per - acid.
The isomerization of the .alpha.-acid to the iso-.alpha.-acid is accomplished by reaction with an alkaline earth metal ethoxide preferably the magnesium ethoxide.

REFERENCES:
patent: 2652333 (1953-09-01), Nilsson
patent: 3044879 (1962-07-01), Koch et al.
patent: 3354219 (1967-11-01), Rigby
patent: 3364265 (1968-01-01), Klingel et al.
patent: 3759999 (1973-09-01), Herwig et al.
patent: 3923897 (1975-12-01), Worden
patent: 3952061 (1976-04-01), Koller et al.
patent: 4002683 (1977-01-01), Todd
Kuhn, "C,C-Photolytische Aromatisierung von Cyclohexadienonen des Lupulon-Typs", pp. 48-55, 66-79, (1963).

Affiliated with

Also associated with

Rating

Process for extracting bitter flavoring principles from hops does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for extracting bitter flavoring principles from hops, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for extracting bitter flavoring principles from hops will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-739127