he legendary success, appreciation, and reliability of the First Edition of Pharmacognosy and Pharmacobiotechnology since 2003 by its august readers has prompted and encouraged the author to bring out the Second Edition, which has undergone a thorough revision, modification, and expansion of the entire text content consisting of Fifteen Chapters. Bearing in mind the latest developments in the field of Pharmacognosy vis-à-vis the mode of teaching pattern with specific emphasis upon the ever-increasing advancements accomplished in the field of Phytochemistry as well as Pharmacobiotechnology, the exclusive contents of this compendium has been updated judiciously. The Second Edition contains Five additional new chapters, namely : Nutraceuticals; (Enzymes and Protein Drugs; Biomedicinal from Plant Tissue Cultures;) Hi-Tech Products from Plant Sources; and Indian Traditional Herbal Drugs. Particular attention has been paid to the development of each chapter thoughtfully and meticulously, in its usual unique style of presentation, to provide sufficient, well documented, systematically arranged, and easily understandable lucid language so that the senior students majoring in Pharmacognosy, Phytochemistry, Biotechnology, Pharmaceutical Chemistry, and Applied Chemistry may get the maximum advantage of its value-added authentic reading text material. The present textbook may also prove to be a great source of help, guidance, and inspiration to the budding researchers in various Universities belonging to the integrated disciplines of Pharmaceutical Sciences and others, so as to accomplish their desired aims and objectives meaningfully. Contents: Introduction Pharmacobiotechnology Carbohydrates Glycosides Terpenoids Phenylpropanoids Alkaloids Bitter Principles Antibiotics Drug Molecules of Marine Organisms.