This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
Extracts are soft solid or powdered preparations made by evaporating a solution of the soluble ingredients of vegetable drugs at a low temperature.
For preparations included in this list see:
Extractum Aloes, under Aloe.
Extractum Belladonnae Foliorum, under Belladonnae Folia.
Extractum Cannabis Indicae, under Cannabis Indica.
Extractum Colocynthidis and Extractum Colocynthidis
Compositum, under Colocynthis.
Extractum Gentianae, under Gentiana
Extractum Nux Vomicae, under Nux Vomica.
Extractum Opii, under Opium.
Extractum Rhamni Purshianae, under Rhamnus Purshiana.
Extractum Rhei, under Rheum.