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Author: Sunil Kumar Talapatra
Publisher: Springer
ISBN: 3642454100
Category : Science
Languages : en
Pages : 1197
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Book Description
Aimed at advanced undergraduate and graduate students and researchers working with natural products, Professors Sunil and Bani Talapatra provide a highly accessible compilation describing all aspects of plant natural products. Beginning with a general introduction to set the context, the authors then go on to carefully detail nomenclature, occurrence, isolation, detection, structure elucidation (by both degradation and spectroscopic techniques) stereochemistry, conformation, synthesis, biosynthesis, biological activity and commercial applications of the most important natural products of plant origin. Each chapter also includes detailed references (with titles) and a list of recommended books for additional study making this outstanding treatise a useful resource for teachers of chemistry and researchers working in universities, research institutes and industry.
Author: Sunil Kumar Talapatra
Publisher: Springer
ISBN: 3642454100
Category : Science
Languages : en
Pages : 1197
Get Book Here
Book Description
Aimed at advanced undergraduate and graduate students and researchers working with natural products, Professors Sunil and Bani Talapatra provide a highly accessible compilation describing all aspects of plant natural products. Beginning with a general introduction to set the context, the authors then go on to carefully detail nomenclature, occurrence, isolation, detection, structure elucidation (by both degradation and spectroscopic techniques) stereochemistry, conformation, synthesis, biosynthesis, biological activity and commercial applications of the most important natural products of plant origin. Each chapter also includes detailed references (with titles) and a list of recommended books for additional study making this outstanding treatise a useful resource for teachers of chemistry and researchers working in universities, research institutes and industry.
Author: Anne E. Osbourn
Publisher: Springer Science & Business Media
ISBN: 0387854983
Category : Science
Languages : en
Pages : 588
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Book Description
Plants produce a huge array of natural products (secondary metabolites). These compounds have important ecological functions, providing protection against attack by herbivores and microbes and serving as attractants for pollinators and seed-dispersing agents. They may also contribute to competition and invasiveness by suppressing the growth of neighboring plant species (a phenomenon known as allelopathy). Humans exploit natural products as sources of drugs, flavoring agents, fragrances and for a wide range of other applications. Rapid progress has been made in recent years in understanding natural product synthesis, regulation and function and the evolution of metabolic diversity. It is timely to bring this information together with contemporary advances in chemistry, plant biology, ecology, agronomy and human health to provide a comprehensive guide to plant-derived natural products. Plant-derived natural products: synthesis, function and application provides an informative and accessible overview of the different facets of the field, ranging from an introduction to the different classes of natural products through developments in natural product chemistry and biology to ecological interactions and the significance of plant-derived natural products for humans. In the final section of the book a series of chapters on new trends covers metabolic engineering, genome-wide approaches, the metabolic consequences of genetic modification, developments in traditional medicines and nutraceuticals, natural products as leads for drug discovery and novel non-food crops.
Author: Atta-ur- Rahman
Publisher: Elsevier
ISBN: 0444595155
Category : Science
Languages : en
Pages : 421
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Book Description
Natural products play an integral and ongoing role in promoting numerous aspects of scientific advancement, and many aspects of basic research programs are intimately related to natural products. With articles written by leading authorities in their respective fields of research, Studies in Natural Products Chemistry, Volume 37 presents current frontiers and future guidelines for research based on important discoveries made in the field of bioactive natural products. It is a valuable source for researchers and engineers working in natural products and medicinal chemistry. - Describes the chemistry of bioactive natural products - Contains contributions by leading authorities in the field - A valuable source for researchers and engineers working in natural product and medicinal chemistry
Author: Sujata V. Bhat
Publisher: Springer Science & Business Media
ISBN: 9783540406693
Category : Science
Languages : en
Pages : 886
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Book Description
During the last few decades, research into natural products has advanced tremendously thanks to contributions from the fields of chemistry, life sciences, food science and material sciences. Comparisons of natural products from microorganisms, lower eukaryotes, animals, higher plants and marine organisms are now well documented. This book provides an easy-to-read overview of natural products. It includes twelve chapters covering most of the aspects of natural products chemistry. Each chapter covers general introduction, nomenclature, occurrence, isolation, detection, structure elucidation both by degradation and spectroscopic techniques, biosynthesis, synthesis, biological activity and commercial applications, if any, of the compounds mentioned in each topic. Therefore it will be useful for students, other researchers and industry. The introduction to each chapter is brief and attempts only to supply general knowledge in the particular field. Furthermore, at the end of each chapter there is a list of recommended books for additional study and a list of relevant questions for practice.
Author: Raphael Ikan
Publisher: World Scientific
ISBN: 9812705694
Category : Science
Languages : en
Pages : 625
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Book Description
A New York Times Notable Book for 2011 A Globe and Mail Best Books of the Year 2011 Title A Kirkus Reviews Best Nonfiction of 2011 title Virtually all human societies were once organized tribally, yet over time most developed new political institutions which included a central state that could keep the peace and uniform laws that applied to all citizens. Some went on to create governments that were accountable to their constituents. We take these institutions for granted, but they are absent or are unable to perform in many of today’s developing countries—with often disastrous consequences for the rest of the world. Francis Fukuyama, author of the bestselling The End of History and the Last Man and one of our most important political thinkers, provides a sweeping account of how today’s basic political institutions developed. The first of a major two-volume work, The Origins of Political Order begins with politics among our primate ancestors and follows the story through the emergence of tribal societies, the growth of the first modern state in China, the beginning of the rule of law in India and the Middle East, and the development of political accountability in Europe up until the eve of the French Revolution. Drawing on a vast body of knowledge—history, evolutionary biology, archaeology, and economics—Fukuyama has produced a brilliant, provocative work that offers fresh insights on the origins of democratic societies and raises essential questions about the nature of politics and its discontents.
Author: Raymond Cooper
Publisher: CRC Press
ISBN: 1466567619
Category : Medical
Languages : en
Pages : 210
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Book Description
Notoriously cumbersome to isolate and challenging to synthesize, the path of natural products to viable drugs is an arduous journey. Yet compounds isolated from nature may possess fascinating structures, biological profiles and pharmaceutical potential far greater than anything made by man. Natural Products Chemistry: Sources, Separations and Structures presents a practical guide to sourcing, isolating, and discovering new compounds from nature many of which become pharmaceutical drugs. This book emphasizes the challenges and advantages of products acquired from nature, compared to those obtained from combinatorial chemistry. A basic introduction, the book describes the whole cycle from farm to final compound, backed up by case studies drawn from industry and research applications. It broadens the scope of applications and draws upon examples from various sources. Natural products chemistry, as taught today, draws its examples mainly from marine chemistry or plant chemistry; however, there is also a fascinating and rich world of fermented (microbial and algal) products leading to complex structures. Thus, the book draws upon examples from the microbial world and from insects too. Therefore, this is a source of bioactive metabolites, not traditionally available in academic settings, more the mainstay of the pharmaceutical industry. Providing a roadmap of the process of collecting a compound from nature, isolating the active ingredient, and determining the chemical structure, this book provides a unique approach to the world of natural products.
Author: Margareta Séquin
Publisher: Royal Society of Chemistry
ISBN: 1788019016
Category : Science
Languages : en
Pages : 231
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Book Description
This new edition of a popular book, eases access to organic chemistry by connecting it with the world of plants and their colours, fragrances and defensive mechanisms.
Author: Elfie Stocker-Wörgötter
Publisher: Elsevier Inc. Chapters
ISBN: 0128084901
Category : Science
Languages : en
Pages : 53
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Book Description
Lichens are fascinating symbiotic organisms, biosynthesizing a broad spectrum of interesting secondary metabolites and polysaccharides. A considerable number of them have been found to exert biological activities, such as antibiotic, antimycobacterial, antiviral, anti-inflammatory, analgesic, antipyretic, antiproliferative, and cytotoxic effects. Only a very low percentage of “lichen substances” have been actually screened for their biological activities and their potential therapeutic applications in medicine. This is due to difficulties to obtain large quantities of lichens from nature, isolated lichen fungi and algae from cultures for extractions. Ten years ago, we have started to bypass these problems by introducing first traditional and then by exploring novel microbiological techniques and advanced molecular tools for our culture experiments. “Case studies” with selected cultured mycobionts and photobionts, accumulating considerable quantities of a focused compound, have been performed as tests for large-scale culturing, to be able to utilize facilities like phytotrons and bioreactors (small-scale bioreactors) for future approaches. Further studies have focused on the chemical identification of the metabolites from cultures and the genetic characterization of lichen PKS genes (Polyketide synthase genes). Another interesting group of lichen metabolites is cell wall polysaccharides. All lichen species investigated so far produce these polymers in considerable amounts and many of them have been shown to exhibit antitumor, immunostimulating, antiviral as well as other types of biological activity. Lichens polysaccharides are mainly of the following structural types: α-glucans (isolichenan, nigeran, pseudonigeran, and pullulan), β-glucans (lichenan, pustulan, laminaran, and lentinan-type glucan), galactomannans, and complex heteroglycans (galactoglucomannan, galactomannoglucan, rhamnopyranosylgalactofuranan, and glucomannan). Investigations on lichen polysaccharides were carried out using material extracted from the entire thallus with no mention of the origin of component polymers (fungal partner or photobiont). In order to understand the contribution of the symbiotic partners to the polysaccharide present in the lichen thallus, the carbohydrates produced by some aposymbiotically cultured mycobionts and photobionts (Trebouxia, Asterochloris, and Coccomyxa) were analyzed. The studies demonstrated that most of the polysaccharides previously found in the symbiotic thalli were also produced by the aposymbiotically cultivated fungal partner, while there were no similarities between the polysaccharides extracted from the photobiont with those from the respective lichen. Surprisingly, the photobionts synthesized very interesting polysaccharides, such as β-galactofuranan, mannogalactofuranan, rhamnopyranosylgalactofuranan, and an O-methylated mannogalactan. One of them was biologically active, having in vitro activity on murine peritoneal macrophages.
Author: N. R. Krishnaswamy
Publisher: Universities Press
ISBN: 9788173710933
Category : Biochemistry
Languages : en
Pages : 240
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Book Description
This book is a comprehensive account of the essential features of the chemistry of organic compounds of natural origin. The objective has been to condense the encyclopedic range of the subject into a medium-sized book by taking a radically different approach.
Author: Xavier Siwe-Noundou
Publisher: CRC Press
ISBN: 9780429506734
Category : Science
Languages : en
Pages : 206
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Book Description
"A contribution to the series on Natural Products Chemistry of Global Plants, Natural Products Chemistry of Botanical Medicines from Cameroon focuses on the sources and chemistry of natural products from plants in Cameroon, West Africa. The plants selected offer an opportunity to trace a route through history from ancient civilizations to the modern day, showing the important value to man of natural products in medicines and in foods. This book highlights how many of the extracts from Cameroon are today associated with important drugs, nutrition products, beverages, perfumes, cosmetics and pigments, as well as presenting their complex chemistry and structure. Key Features: Forms an important part of the series on Natural Products Chemistry of Global Plants, as Cameroon is a country with rich experience in the use of medicinal plants and with a wide diversity of botanical resources; Addresses the current development of pharmacognosy research in Cameroon; Provides readers with updated information on the chemistry and pharmacology of natural products with pharmaceutical potential; Covers an extensive range of chemical, botanical and pharmacological diversities"--
