Pharmacognosy Lecture Notes Ppt Patched Review

Medicinal substances are primarily harvested from four natural origins:

In modern terms, it is the systematic study of the physical, chemical, biochemical, and biological properties of —unprocessed materials from plants, animals, or minerals used for medicinal purposes. 2. Sources of Crude Drugs pharmacognosy lecture notes ppt

Classification of Crude Drugs in Pharmacognosy | PDF - Scribd pharmacognosy lecture notes ppt

The term was first coined in 1815 by C.A. Seydler in his work Analecta Pharmacognostica . It is derived from two Greek words: Pharmakon : Drug Gnosis : Knowledge (or Gignosco : to acquire knowledge) pharmacognosy lecture notes ppt

: Inorganic substances like Kaolin , Bentonite , and Magnesium Sulfate .

Because thousands of natural products exist, they are categorized into several systems for easier study: