Gossypol
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| Author | : Sheldon J. Segal |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 268 |
| Release | : 2012-12-06 |
| Genre | : Medical |
| ISBN | : 1461328098 |
The search for a reversible male contraceptive has centered upon the suppression of sperm production or sperm motility. Gossypol, a natural substance extracted from the cotton plant, appears to cause both of these effects. Its ability to reduce spermatogenesis in men is undeniable and has been demonstrated in both large studies in China and a smaller confirmatory study in Brazil. These investiga tions have revealed the remarkable fact that with gossypol, it is possible to separate an effect on the testis' gamete-producing function from an effect on its hormone-producing function. Thus, it is possible to maintain normal testosterone levels and libido while sperm counts (and motility) fall. Because of this unique and important action, gossypol warrants the fullest possible evaluation as a potential male contraceptive. Sheldon J. Segal vii ACKNOWLEDGMENT Lynn C. Landman played a major role in this publication by skillfully editing the manuscripts which were submitted for inclusion in this volume. Janet O'Connell added her efforts in editing, assembling texts and figures and handling final details required for publication. I thank these talented colleagues for their invaluable contributions.
| Author | : Peter R. Cheeke |
| Publisher | : CRC Press |
| Total Pages | : 246 |
| Release | : 1989-07-31 |
| Genre | : Medical |
| ISBN | : 9780849369933 |
This comprehensive treatise offers an in-depth discussion of natural toxicants in plants, emphasizing their effects as defenses against herbivory. Coevolution of plants and her-bivores are covered with a detailed treatment of toxicant metabolism and systemic effects in mammalian tissues. Con-sideration of the economic importance of plant toxins, modi-fication by plant breeding, management of toxico-sis, and toxicant problems in various geographic areas are in-cluded. Each volume offers an extensive description of chemistry, biosynthesis, analysis, distribution in plants, metabolism in mam-mals and insects, and practical problems in humans and livestock.
| Author | : Thomas H. Applewhite |
| Publisher | : The American Oil Chemists Society |
| Total Pages | : 522 |
| Release | : 1993 |
| Genre | : Technology & Engineering |
| ISBN | : 9780935315455 |
Discusses current topics related to the technology and utilization of oilseeds and their products, such as managing an enterprise in a market economy; political and environmental challenges of the 1990s; achieving total quality; nutrition; oilseed harvesting and oil/meal separation; processing of vegetable oils; processing vegetable protein products; oilseeds in animal feeds, etc.
| Author | : Sheldon J. Segal |
| Publisher | : Springer |
| Total Pages | : 296 |
| Release | : 1985 |
| Genre | : Health & Fitness |
| ISBN | : |
The search for a reversible male contraceptive has centered upon the suppression of sperm production or sperm motility. Gossypol, a natural substance extracted from the cotton plant, appears to cause both of these effects. Its ability to reduce spermatogenesis in men is undeniable and has been demonstrated in both large studies in China and a smaller confirmatory study in Brazil. These investiga tions have revealed the remarkable fact that with gossypol, it is possible to separate an effect on the testis' gamete-producing function from an effect on its hormone-producing function. Thus, it is possible to maintain normal testosterone levels and libido while sperm counts (and motility) fall. Because of this unique and important action, gossypol warrants the fullest possible evaluation as a potential male contraceptive. Sheldon J. Segal vii ACKNOWLEDGMENT Lynn C. Landman played a major role in this publication by skillfully editing the manuscripts which were submitted for inclusion in this volume. Janet O'Connell added her efforts in editing, assembling texts and figures and handling final details required for publication. I thank these talented colleagues for their invaluable contributions.
| Author | : David R. Erickson |
| Publisher | : The American Oil Chemists Society |
| Total Pages | : 464 |
| Release | : 1990 |
| Genre | : Technology & Engineering |
| ISBN | : 9780935315301 |
| Author | : J. P. Felix D'Mello |
| Publisher | : CRC Press |
| Total Pages | : 369 |
| Release | : 2020-03-27 |
| Genre | : Medical |
| ISBN | : 1000086887 |
First published in 1997. Natural toxicants are the subject of research throughout the world, and they are used for many purposes. The Handbook of Plant and Fungal Toxicants presents a wide range of compounds and considers how they relate to food safety, therapeutic purposes in medicine, and uses in breeding plants for enhanced resistance to insects and disease. Alkaloids, both from plant and fungal sources, are emphasized. Also covered are a variety of toxicants and phytochemicals including: bracken fern poisons polyphenolics gossypol flavones isoflavones pyrimidine glycosides fruit and vegetable allergens linear furanocoumarins photosensitizing agents nitrates oxalates Pinus ponderosa toxicants The text stresses the positive aspects of plant secondary compounds and presents examples of beneficial attributes in the context of environmental protection and human health. An international authorship addresses the global diversity and ecological distribution of plant and fungal toxicants. This handbook is ideal for senior-level college students and post-graduate students studying animal science, toxicology, and pharmaceutical sciences.
| Author | : Ramesh C Gupta |
| Publisher | : Elsevier |
| Total Pages | : 1233 |
| Release | : 2011-04-28 |
| Genre | : Medical |
| ISBN | : 0080481604 |
Veterinary Toxicology, 2nd edition is a unique single reference that teaches the basic principles of veterinary toxicology and builds upon these principles to offer an essential clinical resource for those practicing in the field. This reference book is thoroughly updated with new chapters and the latest coverage of topics that are essential to research veterinary toxicologists, students, professors, clinicians and environmentalists. Key areas include melamine and cyanuric acid, toxicogenomics, veterinary medical geology, toxic gases, toxicity and safety evaluation of new veterinary pharmaceuticals and much more. The 2nd edition of this popular book represents the collective wisdom of leading contributors worldwide and continues to fill an undeniable need in the literature relating to veterinary toxicology. - New chapters covering important and timely topics such as melamine and cyanuric acid, toxicogenomics, toxic gases and veterinary medical geology - Expanded look at international topics, such as epidemiology of animal poisonings, regulatory guidelines and poisonous plants in Europe - Heavily contributed book with chapters written by qualified and well-experienced authorities across all areas of veterinary toxicology - Problem solving strategies are offered for treatment as well as in-depth knowledge of the basic mechanisms of veterinary toxicology
| Author | : Rosalind Dalefield |
| Publisher | : Elsevier |
| Total Pages | : 630 |
| Release | : 2017-06-23 |
| Genre | : Medical |
| ISBN | : 0127999124 |
Veterinary Toxicology for Australia and New Zealand is a reference suited to the unique challenges of veterinary practice in Australia and New Zealand. Both streamlined and thorough in its coverage of poisons and treatments for those locations, this focused approach allows readers to quickly find relevant information that is presented in a concise and logical manner that is useful to clinicians. The authors draw upon a wealth of knowledge of the particularities of toxicology in Australia and New Zealand to present readers with the up-to-date information required to efficiently and effectively diagnose and treat their patients. - Highlights toxins of specific concern in Australia and New Zealand - Structures information in a logical way so that it can be located quickly - Offers up-to-date information on current and emerging risks
| Author | : Nuhad Joseph Daghir |
| Publisher | : CABI |
| Total Pages | : 403 |
| Release | : 2008 |
| Genre | : Business & Economics |
| ISBN | : 1845934172 |
The poultry industry continues to expand in the warm regions of the world at a much faster rate than in temperate zones. Not only can it be quickly and easily developed in these hot climates but poultry meat and eggs can serve as important sources of animal protein in those areas of the world that have protein insufficiency. Fully revised and updated, this new edition describes how the detrimental effects of heat stress can be reduced through the manipulation of housing, breeding, nutrition and management, and includes new contributions on controlled-environment housing, waterfowl, and breeding fast-growing broilers.
| Author | : Leon Brimer |
| Publisher | : CABI |
| Total Pages | : 295 |
| Release | : 2011 |
| Genre | : Medical |
| ISBN | : 9781845937874 |
Preventing contamination with problematic chemical compounds in food, from 'plant to plate and meat to meal', begins with an understanding of the food production and processing chain as well as relevant issues in toxicology and risk management. The diversity in origin and structure of unwanted chemical substances means that combating chemical contaminants in food needs a good understanding of science in a number of disciplines as well as the regulatory processes designed to minimise risks to a world population increasingly exposed through international trade. This book covers the basic and applied science needed to understand, analyse and take professional action on problems and questions concerning chemical food safety, from acute to long lasting problems that call for interventions on a local, regional, national or international level. Risk assessment is explained in the context of targeted future risk management and risk communication. The book follows problematic chemical compounds through production and processing of foods of plant, fungal, algal or animal origin, including oral exposure and intestinal absorption of such contaminants. The aim is to reach a harmonized level of understanding of all aspects of chemical food safety, so as to make the graduated student ready for work in all sectors related to food and its production.
