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''A wealth of information...these two volumes will be immensely valuable to anyone having to deal with this difficult group of compounds.'' ---Biochemical Systematics and Ecology, from a review of Saponins Used in Traditional and Modern Medicine and Saponins Used in Food and Agriculture ''A valuable contribution to the literature.'' ---The Quarterly Review of Biology, December 1997
''A wealth of information...these two volumes will be immensely valuable to anyone having to deal with this difficult group of compounds.'' ---Biochemical Systematics and Ecology, from a review of Saponins Used in Traditional and Modern Medicine and Saponins Used in Food and Agriculture
This book presents a broad perspective on saponins as important natural products with a key role in plant defense. The presence of saponins has been reported in several plant species, and many types of saponins have been found to exhibit significant antifungal activities. In addition to their role in plant defense, saponins are of increasing interest for drug research, as they are active ingredients in several traditional medicines and hold potentially valuable pharmacological properties. In this book, the authors briefly introduce readers to saponin accumulation in various plant organs, with a specific focus on their structure classification and diversity. Readers will find detailed information on the saponin structure-activity relationship and saponins’ vital role in sustainable agriculture as a chemical barrier to pathogen attack. The latest techniques for isolating, identifying, and quantifying saponins are also discussed. In the closing chapter, the authors outline the recent metabolic engineering strategies applied to improve saponin glycosides production and their potential applications in plant disease resistance. This book and the companion volume Bioactive Molecules in Plant Defense: Signaling in Growth and Stress offer vital resources for all researchers and students interested in plant pathology, mycology and sustainable agriculture.
Isoprenoids are important in primary and secondary metabolism. They have implications in a myriad of physiological processes notably in plants, microorganisms and parasites, and biological activities at the cellular, organism, and ecosystem levels. The importance of isoprenoids in various areas of the scientific world has spurred intense research worldwide. Also their role in "nutraceuticals" has stimulated scientific curiosity. Literature on isoprenoids is widely scattered in journals with quite differing readerships and geographic distribution. A comprehensive book on isoprenoids does not exist. Isoprenoid Synthesis in Plants and Microorganisms: New Concepts and Experimental Approaches fills this gap by presenting the latest and the most applicable information on isoprenoids. The most recent TERPNET conference serves as the backdrop and provides much of the inspiration for the topics covered in the book. Additional topics of interest are covered as well, making Isoprenoid Synthesis in Plants and Microorganisms: New Concepts and Experimental Approaches the most comprehensive review of isoprenoid synthesis to date.
Saponins are glycosides of triterpenes, steroids or steroidal alkaloids. They can be found in plants and marine organisms. Very diverse biological activities are ascribed to saponins and they play important roles in food, animal feedstuffs, and pharmaceutical properties. This volume provides a selection of recent work on saponins presented at a symposium in Pulawy, Poland, in 1999. Many different aspects are treated: analysis, separation, biological activities, relevant use in human and animal nutrition, and ecological significance. This book will be of use to researchers both in universities and industry.
This book is a timely incursion into the field and provides information about occurrence and distribution, structural types, isolation, analysis and structure determination of saponins. Biological and pharmacological activities are discussed, as are aspects of commerical and industrial use. Numerous examples are presented, providing a valuable source of data for the different classes of compound.
The book provides a single volume covering detailed descriptions about various delivery systems, their principles and how these are put in use for the treatment of multiple diseases. It is divided into four sections where the first section deals with the introduction and importance of novel drug delivery system. The second section deals with the most advanced drug delivery systems like microbubbles, dendrimers, lipid-based nanoparticles, nanofibers, microemulsions etc., describing the major principles and techniques of the preparations of the drug delivery systems. The third section elaborates on the treatments of diverse diseases like cancer, topical diseases, tuberculosis etc. The fourth and final section provides a brief informative description about the regulatory aspects of novel drug delivery system that is followed in various countries.
This report is the second in a series of three evaluating underexploited African plant resources that could help broaden and secure Africa's food supply. The volume describes the characteristics of 18 little-known indigenous African vegetables (including tubers and legumes) that have potential as food- and cash-crops but are typically overlooked by scientists and policymakers and in the world at large. The book assesses the potential of each vegetable to help overcome malnutrition, boost food security, foster rural development, and create sustainable landcare in Africa. Each species is described in a separate chapter, based on information gathered from and verified by a pool of experts throughout the world. Volume I describes African grains and Volume III African fruits.
Saponins are surfactive compounds that are widely distributed in nature, occurring primarily in the plant kingdom. Plants that produce saponins generally accumulate these metabolites as part of their development, which can be influenced by several environmental factors, such as nutrient and water availability, light irradiation and/or a combination of these factors. In this book, Chapter One discusses the occurrence in nature and biological activities of saponins. Chapter Two provides a review of ginsenoside Rg3 modulating lipid metabolism. Chapter Three demonstrates research on saponin application in remediation of metal-contaminated soils, and methods of saponins recovery after soil washing and attempts of their reuse. Chapter Four evaluates the feasibility of using saponin from soapnuts (Sapindus mukorrossi) for the removal of oil from a large area of oil contaminated soil in Kuwait, due to the destruction of oil wells during the Iraqi invasion of Kuwait. Chapter Five focuses on the structural types and biological studies of saponins of I. asprella, and briefly discusses the characteristics of these chemical structures.
This volume reviews current knowledge of toxic substances in crop plants with particular reference to their anti-nutritional effects in animals and man and the potential for detoxification. The distribution and ecological significance of these compounds is also addressed. Continuing disquiet over the use of animal by-products in livestock nutrition has provided renewed impetus for the greater exploitation of conventional and novel crop plants both as food and as industrial raw materials. However, a major factor restricting the utilisation of such crops in animal nutrition is the presence of a diverse array of toxic substances capable of inducing effects ranging from loss of hair and wool to severe neurological disorders and even death. Significant advances have been made to establish the nature of these compounds and to assess their effects in animals and man. As in other branches of biomedical research, these developments have been achieved through the multidisciplinary efforts of chemists, biochemists, toxicologists, nutritionists and molecular geneticists. This volume reviews current knowledge of toxic substances in crop plants with particular reference to their anti-nutritional effects in animals and man and the potential for detoxification. The distribution and ecological significance of these compounds is also addressed.