Introduction to Pharmacognosy.pdf

Description

This document provides an introduction to the field of pharmacognosy. It defines pharmacognosy as the study of drugs from natural sources, including their composition, characteristics, and uses. The document outlines the history of pharmacognosy from ancient Greek physicians to modern studies of plant and animal extracts. It also discusses the scope of pharmacognosy, key terms, classification systems for natural drugs, and sources of medicinal compounds.