Process for the extraction of nonpolar constituents from plant m

Details Process for the extraction of nonpolar constituents from plant m Process for the extraction of nonpolar constituents from plant m

1989-03-31

1990-08-07

Paden, Carolyn

Food or edible material: processes, compositions, and products

Removal of pesticidal residue

426422, 426429, 426600, C12C 300

Patent

active

049466950

ABSTRACT:
This invention relates to a process for extracting nonpolar constituents from natural substances such as hops with simultaneous separation of residues of nonpolar plant protectives (fungicides/insecticides). In a first step, the plant protective as well as other ingredients that are soluble under the chosen conditions is 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: 4113886 (1978-09-01), Katz
patent: 4260639 (1981-04-01), Zosel
patent: 4411923 (1983-10-01), Hurbert
patent: 4842878 (1989-06-01), Forster

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