Flashcards in 1: Medical Math: Sources of Drugs (1) Deck (22)
What are the sources of drugs?
What is included in the natural sources of drugs?
What are the active ingredients in plants as a source of drugs?
basic nitrogenous substances that are insoluble in water and end in -ine.
their salts are soluble in water.
have a bitter taste.
can be precipitated by acids.
What are some examples of Alkaloids?
Sugars combined with other organic structures (aglycone or genin).
What are some examples of Glycosides?
Digitalis glycosides (digoxin, digitoxin, ouabain)
Substances formed by polymerization of volatile oils.
are weak and can break easily.
Polysaccharides secreted by certain trees.
What are some examples of Gums?
Non nitrogenous plant constituents that produce astringent effect (precipitate proteins)
Describe Fixed Oils
Stable oils and they will not evaporate when exposed to air.
What are some examples of Fixed Oils?
Describe Volatile Oils
Will evaporate readily when exposed to air.
What are some examples of Volatile Oils?
Oil of clove
What are examples of Animal sources of drugs?
What are examples of drugs from fungi?
such as: penicillin, streptomycin, tetracyclines, polymyxins
What are examples of drugs from bacteria?
such as: bacitracin
What sources do Semisynthetic drugs come from?
from natural sources and chemically treated.
What are some examples of Semisynthetic drugs?
Describe Synthetic drugs
highly purified substances prepared synthetically.