An introduction to bioactive natural products.- Importance of natural products.- Secondary Metabolites from Plant Sources.- Nutraceuticals.- Natural Polymers.- Marine Products.- Proteins and Enzymes.- Vitamins.- Natural Fibres.- Cosmetics from Plant Origin.

Dr. Dilipkumar Pal (M. Pharm, Ph.D, F.I.C., Chartered Chemist, Post Doct. in Australia) is now working in the post of Associate Professor, Department of Pharmaceutical Sciences, Guru Ghasidash Vishwavidyalaya (A Central University), Bilaspur, C.G., 495 009, India. He received his master and Ph D degree from Jadavpur University, Kolkata and performed post-doctoral research as “Endeavour research fellow” in University of Sydney, Australia. His areas of research interest include “Phytochemical and pharmacological evaluation of indigenous plants” and ‘Natural Biopolymers’. He has published 171 full research papers in peer-reviewed national and international scientific journals, some having high impact factor and contributed 117 abstracts in different national and international conferences, mostly related to his specialisation. He has written 2 books and 40 book chapters and edited 02 books published by reputed international publishers. His research publications have acquired a highly remarkable cited record in Scopus and Google Scholar (H-Index: 38; i-10-index 88, citation 4731 till date). Dr. Pal in his 21 years research-oriented teaching profession received 13 prestigious national and international professional awards also. He has guided 8 Ph D and 40 master students for their dissertation thesis. He is the reviewer and Editorial Board member of 27 and 29 scientific journals, respectively. Dr Pal has been working as the Editor-in-Chief of one research journal also. He is the member and life member of many professional organizations.
Dr. Amit Kumar Nayak (M.Pharm., Ph.D.) has over 12 years of research experience in the field of pharmaceuticals, especially in the development and characterization of pharmaceutical drug delivery systems. He is an expert on the extraction and characterization of various natural polysaccharide products. He holds a Ph.D. in Pharmacy from IFTM University, Moradabad, Uttar Pradesh, India. Currently, Dr. Nayak is working as an Associate Professor at Seemanta Institute of Pharmaceutical Sciences, Odisha, India. He has authored over 106 publications in various respected international journals, as well as 57 book chapters, and has been a reviewer for several leading journals.