Process for the extraction of hop substances

Food or edible material: processes – compositions – and products – Processes – Extraction utilizing liquid as extracting medium

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426489, 426655, 426600, A23L 1211

Patent

active

046408410

ABSTRACT:
There is provided a novel procedure for the extraction of a high proportion of the potential bitterness resins from hops by extracting the hops with super critical carbon dioxide at pressures of about 100 to 300 bar temperatures above 100.degree. C.

REFERENCES:
patent: 4104409 (1978-08-01), Vitzthum et al.
patent: 4282259 (1981-08-01), Wheldon et al.
patent: 4507329 (1985-03-01), Grant
patent: 4511508 (1985-04-01), Vollbrecht et al.
Harold and Clark, The Brewers Digest, Sep. 1979, pp. 45-50 and 68.
Vollbrecht, Chemistry and Industry, Jun. 19, 1982, pp. 397-399.
"The Use of CO.sub.2 in the Manufacture of Hop Products"--Monatsschrift fur Brauerei, 33, No. 3 (1980)--E. Kruger.

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