The book Text Book of Pharmacognosy and Phytochemistry explores the evolving field of pharmacognosy, bridging traditional knowledge of medicinal plants with modern advances in biotechnology, phytochemistry, and molecular biology. It examines the discovery and therapeutic potential of bioactive compounds, emphasizing sustainable and ethical practices in natural product research. Designed for students, researchers, and practitioners, the book covers topics from plant taxonomy and extraction methods to clinical applications and future trends. With contributions from leading experts, it provides an authoritative, research-oriented approach that highlights the relevance of natural products in contemporary healthcare.