Production of high purity alkaloids

Details Production of high purity alkaloids Production of high purity alkaloids

1987-09-04

1989-04-04

Rollins, John W.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Conjugate or complex

514279, 514280, 514282, A61K 3578, A61K 3144

Patent

active

048185337

ABSTRACT:
A method for extracting valuable alkaloid materials from plants containing the same comprising slurrying the comminuted plant material in a mixture of water and a cosolvent at a pH of 8.5, adding a nonpolar, water-insoluble, solvent to dissolve the alkaloid, washing the nonpolar phase with acidulated water to convert the alkaloid to the imminium ion or acid salt form, precipitating the alkaloids, and recovering and drying the alkaloid.

REFERENCES:
patent: 3843788 (1974-10-01), Iwasa et al.
patent: 3849561 (1974-11-01), Iwasa et al.
patent: 4145412 (1977-03-01), Landanyi
patent: 4335110 (1982-06-01), Collins
patent: 4376115 (1983-03-01), McCrorey
patent: 4406881 (1983-09-01), Ladanyi

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