Pulvis Ipecacuanhae De-Emetinisatus, B.P.C., De-Emetinised Ipecacuanha Powder.
De-emetinised ipecacuanha powder is prepared by extracting powdered ipecacuanha root with ammoniated chloroform, and shaking out the chloroformic solution with acidified water; then separating, and adding the chloroformic liquid to the exhausted root, which is finally dried and powdered.
This preparation is free from all alkaloidal constituents of ipecacuanha root, but contains about 10 per cent. of resinous and other active constituents of the drug.
Dose.—½ to 2 grammes (8 to 30 grains).