MODULE 2: PHARMACOGNOSY
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16 Terms
Crude Drugs
Vegetable or animal drugs collected and dried without further processing.
Natural Substance
Substances occurring in nature.
Extractives / Derivatives
Chief principles of crude drugs separated through extraction for specific use.
Indigenous Plants
Plants growing in their native country.
Naturalize Plants
Plants growing in a foreign land different from their native source.
Menstruum
Solvent utilized in extraction processes.
Marc
Undissolved portion remaining after extraction.
Extractive
Product obtained from extraction.
Maceration
Soaking solid ingredients in a solvent for at least 3 days.
Digestion
Maceration with gentle heat.
Percolation
Slow passage of solvent through a drug column.
Decoction
Boiling in water for 15 minutes.
Infusion
Maceration in hot or cold water.
Garbling
Final step removing extraneous materials from crude drugs.
Preservation
Methods to protect and maintain the quality of drugs.
Adulteration of Crude Drugs
Various forms like sophistication, admixture, substitution, deterioration, spoilage, and inferiority.
