Preparation
The drug and powdered leaf of pilocarpin microfelixis are subjected to extracted forotoal alkaloid with ethanol acidified with HCl with solvents removed under reduced pressure and resultant aqueous residue is neutralized with ammonia and kept aside till all the resin is settled down completely. It is filtered and concentrated by sugar solution to a small volume, made alkaloid with ammonia, and finally extracted with chloroform. The solvent is removed under reduced pressure.
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