This section is from the book "Laboratory Manual Of Pharmacology", by A. D. Bush. Also available from Amazon: Laboratory manual of pharmacology.
Hyoscyamus, or Henbane, consists of the dried leaves and flowering tops of Hyos-cyamus niger (Fam. Solanaceae), a biennial herb native to Eurasia, but cultivated in England and North America.
Properties:
Appearance | Color | Odor | Taste | |
Hyoscyamus | ||||
Hyoscyaminae Hydrobromidum | Do not | |||
Scopolaminae Hydrobromidum | Do not |
Hyoscyamus possesses two alkaloids fairly common to the Solanacece - Hyoscy-amine and Hyoscine (or Scopolamine). To these alkaloids the drug owes its chief activity. Hyoscyamine is a peripheral paralyzant similar to atropine, while Scopolamine is a cerebral sedative. Dose of Hyoscyamus, 0.25 Gm.; of Hyoscyamine Hydro-bromide, 0.0003 Gm.; of Scopolamine, 0.0003 Gm.
Official preparations of Hyoscyamus are: the Extract, Fluidextract, and Tincture.
 
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