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Progress in the Chemistry of Organic Natural Products 105
The first contribution reviews the occurrence of xanthine alkaloids in the plant kingdom and the elucidation of the caffeine biosynthesis pathway, providing details of the N-methyltransferases, belonging to the motif B' methyltransferase family which catalyze three steps in the four step pathway leading from xanthosine to caffeine. The second contribution in this book provides a background on the molecule and related compounds and update knowledge on the most recent advances in Iboga alkaloids. The third contribution presents a comprehensive analysis of frequently occurring errors with respect to 13C NMR spectroscopic data and proposes a straightforward protocol to eliminate a high percentage of the most obvious errors.
Studies in Natural Products Chemistry
Natural Products Chemistry continues to grow at an increasing pace and this growth is reflected in the present volume of Studies in Natural Products Chemistry, which is the 20th of this series. The first 20 volumes were largely devoted to structure and synthesis of various classes of natural products, irrespective of their bioactivity. Subsequent volumes of this series will however be devoted to the chemistry of bioactive natural products and will therefore a departure from the earlier volumes.The present volume contains contributions from a number of eminent scientists and covers interesting reviews on terpenes, alkaloids and other types of natural products reported from terrestrial and marine sources. Comprehensive indexes covering all the 20 volumes have been prepared which include a Cumulative General Subject Index along with more focused Cumulative Indices on Organic Synthesis, Pharmacological Activity and Biological Source. This comprehensive indexing of the volumes should make the entire series much more valuable and user-friendly.
Bioactive Natural Products (Part E)
Bioactive Natural Products (Part E)
Saponins Used in Food and Agriculture
''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
Natural Products Chemistry III
Natural product chemistry has undergone an explosive growth during the latter half of the current century. This has been brought about by a number of factors. One of these has been the growing number of sub stances from natural sources which display interesting pharmacological activities. These include antibiotics, anti-tumor agents, immunostimu lants, drugs affecting the cardiovascular and central nervous systems, analgesics etc. Another factor has been the improvements made in the technology of isolation processes which includes the development of such techniques as high pressure liquid chromatography which has al lowed the rapid isolation of substances which were previously diffi cult to ...
Chemicals from Plants
This manual is principally concerned with the small molecules produced by plants. It covers aspects of theirrole in plant ecology, their metabolism in the plant, their discovery, characterization and use and their significance in the diet.
The Ecology of Herbal Medicine
The Ecology of Herbal Medicine introduces botanical medicine through an in-depth exploration of the land, presenting a unique guide to plants found across the American Southwest. An accomplished herbalist and geographer, Dara Saville offers readers an ecological manual for developing relationships with the land and plants in a new theoretical approach to using herbal medicines. Designed to increase our understanding of plants' rapport with their environment, this trailblazing herbal speaks to our innate connection to place and provides a pathway to understanding the medicinal properties of plants through their ecological relationships. With thirty-nine plant profiles and detailed color photographs, Saville provides an extensive materia medica in which she offers practical tools and information alongside inspiration for working with plants in a way that restores our connection to the natural world.
At the Helm
Directory of professors in the University of Malaya.
Yearning to Labor
In the first decade of the twenty-first century, France underwent a particularly turbulent period during which urban riots in 2005 and labor protests in 2006 galvanized people across the country and brought the question of youth unemployment among its poorer, multiethnic outer cities into the national spotlight. Drawing on more than a year of ethnographic field research in the housing projects of the French city of Limoges, Yearning to Labor chronicles the everyday struggles of a group of young people as they confront unemployment at more than triple the national rate--and the crushing despair it engenders. Against the background of this ethnographic context, John P. Murphy illuminates how t...
Généalogies limousines et marchoises (6)
Cet ouvrage est une réédition numérique d’un livre paru au XXe siècle, désormais indisponible dans son format d’origine.
