Recovery of L-Dopa from R-dopa containing materials

Details Recovery of L-Dopa from R-dopa containing materials Recovery of L-Dopa from R-dopa containing materials

1970-03-19

1976-03-02

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C10177

Patent

active

039418359

ABSTRACT:
L-Dopa is recovered from velvet bean and other L-Dopa containing materials by water extraction, preferably carried out at a temperature in the range 15-25.degree.C. The resulting L-Dopa aqueous extract is then concentrated and the resulting concentrated extract treated or cooled to crystallize L-Dopa therefrom.

REFERENCES:
patent: 3253023 (1966-05-01), Wysong

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