Selenium in Nutrition -- Copyright -- Preface -- Contents -- Selenium in Nutrition -- 1 Introduction -- 2 Chemistry -- PROPERTIES OF ELEMENTAL SELENIUM -- CHEMISTRY OF SELENIUM-CONTAINING COMPOUNDS -- METHODS OF ANALYSIS -- 3 Distribution -- GEOLOGICAL DISTRIBUTION -- COMMERCIAL SOURCES -- SELENIUM IN SOILS -- TOXIC SELENIFEROUS SOILS -- NONTOXIC SELENIFEROUS SOILS -- LOW-SELENIUM SOILS -- FORMS OF SELENIUM IN SOILS AND FACTORS AFFECTING AVAILABILITY TO PLANTS -- SOIL MANAGEMENT PRACTICES AND SELENIUM IN PLANTS -- SELENIUM IN PLANTS -- EFFECT OF SPECIES -- SELENIUM AS A PLANT MICRONUTRIENT -- TOXICITY TO PLANTS -- CHEMICAL FORMS -- METABOLISM IN PLANTS -- SELENIUM IN ANIMAL FEEDSTUFFS -- REGIONAL DISTRIBUTION IN CROPS -- VARIABILITY IN CONCENTRATION -- BIOLOGICAL AVAILABILITY -- SELENIUM IN WATER -- DRINKING WATER, SPRINGS, AND WELLS -- RIVERS, LAKES, AND IRRIGATION WATER -- OCEANS -- SELENIUM IN HUMAN FOODS -- DISTRIBUTION BY FOOD GROUPS -- CONCENTRATIONS IN SELENIFEROUS REGIONS -- CONCENTRATIONS IN NONSELENIFEROUS REGIONS -- DAIRY PRODUCTS AND EGGS -- CEREAL PRODUCTS -- MEAT, POULTRY, AND FISH AND OTHER SEAFOODS -- FRUITS AND VEGETABLES -- BABY FOODS -- DIETARY SELENIUM LEVELS IN VARIOUS COUNTRIES -- CONTRIBUTIONS OF WATER -- SELENIUM CYCLING IN NATURE -- 4 Biochemical Functions -- NATURE AND PROPERTIES OF GLUTATHIONE PEROXIDASE -- GLUTATHIONE PEROXIDASE ACTIVITY IN ANIMALS -- GLUTATHIONE-S-TRANSFERASE -- FUNCTION OF GLUTATHIONE PEROXIDASE -- OTHER FUNCTIONS OF SELENIUM -- NUTRITIONAL AND METABOLIC INTERRELATIONSHIPS -- 5 Metabolism -- DIETARY FORMS -- ABSORPTION -- VASCULAR TRANSPORT -- BODY RETENTION AND TISSUE DISTRIBUTION -- METABOLISM -- INORGANIC SELENIUM -- ORGANIC SELENIUM -- REDUCTION OF SELENIUM -- PREVIOUS SELENIUM INTAKE -- RUMEN MICROORGANISMS -- INFLUENCE OF SULFUR -- INFLUENCE OF ARSENIC -- INFLUENCE OF OTHER ELEMENTS.

EFFECTS OF VITAMIN E -- MISCELLANEOUS FACTORS -- EXCRETION -- 6 Nutritional Aspects -- DIETARY REQUIREMENTS OF ANIMALS FOR SELENIUM -- MEETING SELENIUM REQUIREMENTS FOR ANIMALS -- DEFICIENCY SIGNS IN ANIMALS -- RATS -- MICE -- HAMSTERS -- GUINEA PIGS -- RABBITS -- NONHUMAN PRIMATES -- FISH -- CHICKENS -- TURKEYS -- DUCKS -- JAPANESE QUAIL -- SWINE -- Tolerance to Iron -- Blood Enzymes -- Gross Pathology and Histopathology -- CATTLE AND SHEEP -- Nutritional Myopathy -- Reproduction and Retained Placenta -- Other Selenium-Related Diseases -- HORSES -- DOGS -- WILD ANIMALS -- SELENIUM IN HUMAN NUTRITION -- 7 Effects of Excess Selenium -- SELENIUM TOXICITY IN LABORATORY ANIMALS -- ACUTE TOXICITY -- CHRONIC TOXICITY -- SELENIUM TOXICITY IN FARM ANIMALS -- SELENIUM OVEREXPOSURE IN HUMANS -- 8 Selenium and Human Health -- HIGH SELENIUM EXPOSURE -- CANCER -- DENTAL CARIES -- REPRODUCTION -- AMYOTROPHIC LATERAL SCLEROSIS -- CONCLUSIONS -- LOW SELENIUM EXPOSURE -- CANCER -- CARDIOVASCULAR DISEASE -- REPRODUCTION AND NEONATAL HEALTH -- INFECTIOUS DISEASES -- CYSTIC FIBROSIS -- SELENIUM SUPPLEMENTS -- CONCLUSIONS -- 9 Summary -- References.