Chukwuebuka Egbuna, PhD, is Research Biochemist in the Africa Centre of Excellence in Public Health and Toxicological Research (ACE-PUTOR), University of Port-Harcourt, Rivers State, Nigeria. He has published extensively on phytochemistry and serves on the editorial boards of several leading journals. Muthun Rudrapal, PhD, FIC, FICS, CChem, is Associate Professor of the Department of Pharmaceutical Sciences, School of Biotechnology and Pharmaceutical Sciences, Vignan’s Foundation for Science, Technology & Research (Deemed to be University), Guntur, Andhra Pradesh, India. He has published very widely on pharmaceuticals and related subjects and is the holder of numerous patents.