Process for the production of pure lecithin directly usable for

Details Process for the production of pure lecithin directly usable for Process for the production of pure lecithin directly usable for

1981-02-27

1983-01-04

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604124, 2604128, C11B 110

Patent

active

043671780

ABSTRACT:
Disclosed is a process for the production from raw lecithin of pure lecithin directly usable for physiological purposes, comprising the steps of contacting raw lecithin with gas as the extraction medium under supercritical conditions with respect to pressure and temperature in an extraction stage to produce a gas containing an extract; passing the gas containing the extract from the extraction stage into a separation stage; varying at least one of the pressure and the temperature of the gas in the separation stage to separate the extract-containing gas into the gas and the extract; recycling the gas after the step of varying the pressure and/or temperature; and removing pure lecithin from the extraction stage.

REFERENCES:
patent: 3923847 (1975-12-01), Roselius et al.

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