The book introduces Natural Products in the most comprehensive and practical manner. Ranging from the historical development to modern preparation, synthesis and application, this book presents a detailed account of the nature of natural products, its classification as well as the major categories of compounds in natural products, and the processes employed to obtain the natural product itself, the active ingredient or the specific bioactive material. These processes included but is not to limited isolation, extraction, fractionation, structure elucidation and determination of pharmacological characteristics and its interaction with other compounds. The chapters are carefully crafted to serve as a quick reference for Natural Products. This book will be beneficial to both students and academicians from diverse scientific fields including chemistry, biology, and allied biomedicine disciplines as well as to those with industrial background such as environmentalists, engineers and manufacturing practitioners in the government and private institutions.