This book deals with a variety of aspects of natural product research. It includes review articles and revised original contributions involving analysis, isolation and structure elucidation, synthesis and bioactivity of terrestrial and marine natural products. Plant cell biotechnology for the production of secondary metabolites is discussed. This volume provides also outstanding information about the industrial application of natural products for medicinal purposes. The broad interdisciplinary approach found in this book, which comprises 50 papers, makes it interesting to the scientists, whose work is in any way related to the research or use of natural products.