Process for the extraction of nonpolar constituents of hops

Details Process for the extraction of nonpolar constituents of hops Process for the extraction of nonpolar constituents of hops

1987-09-24

1989-06-27

Czaja, Donald E.

Food or edible material: processes, compositions, and products

Removal of pesticidal residue

426422, 426429, 426600, C12C 300

Patent

active

048428787

ABSTRACT:
The invention relates to a process for extracting nonpolar constituents from hops with simultaneous separation of residues of nonpolar plant protectives. In a first step the plant protective as well as other ingredients that are soluble under the chosen conditions are extracted with compressed gases, and in a subsequent stage the dissolved mixture is passed through an adsorbent and the plant protective is selectively removed from the mixture.

REFERENCES:
patent: 4049834 (1977-09-01), Barwald et al.
patent: 4212895 (1980-07-01), Laws et al.
patent: 4218491 (1980-08-01), Laws et al.
patent: 4282259 (1981-08-01), Wheldon et al.
patent: 4298626 (1981-11-01), Laws et al.
patent: 4338348 (1982-07-01), Muller
patent: 4511508 (1985-04-01), Vollbracht et al.
patent: 4721624 (1988-01-01), Schumann
FST Abstracts 80-11-H1654 Krueger Use of Carbon Dioxide in the Manufacture of Hop Products Monatsschrift fur Brauerei 33(3), 104-110, (1980), Abstract only.

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