Production of high purity alkaloids

Details Production of high purity alkaloids Production of high purity alkaloids

C - Chemistry, Metallurgy

07

D

260/271.5, 260/2

C07D 491/056 (2006.01) C07D 491/14 (2006.01) C07D 491/153 (2006.01) C07G 5/00 (2006.01)

Patent

CA 1334411

A method for extracting valuable alkaloid mate- rails 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 alkaloid, and recovering and drying the alkaloid.

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