Pharmacognosy is the study of the physical, chemical, biochemical and biological properties of drugs, drug substances or potential drugs or drug substances of natural origin as well as the search for new drugs from natural sources.
Pharmacognosy is a branch of pharmacology that studies the herbal medicines as well as medicinal drugs and compounds of natural origin. Pharmacognosy is the study of phytochemical analysis, i.e. extraction, isolation and characterization of natural compounds, plant tissue culture, biochemical transformations, and study of biosynthetic pathways, in addition to the phyto-pharmaceutics and Phytotherapy.