This section is from the book "Laboratory Manual Of Pharmacology", by A. D. Bush. Also available from Amazon: Laboratory manual of pharmacology.
The Cannabis, or Indian Hemp of commerce, consists of the dried flowering tops of the pistillate plants of Cannabis sativa and C. indica (Fam. Moraceae). It contains a resin, Cannabin.
Properties of powdered Cannabis:
Appearance.................................................................................... | Odor............................................................................................................. |
Color ...................................................................... | Taste ............................................................................................................. |
Examine microscopically for pollen grains...............................................................................................................
Miscibility with H2O (use the tincture)....................................................................................................................
Cannabis may be used as a cerebral sedative and hypnotic whenever the use of opium for that purpose seems inadvisable. It is efficient in only about 50% of all cases. Official preparations are: the Extract, the Fluidextract, and the Tincture.
 
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