Selenium

Selenium

Geobotany, Biochemistry, Toxicity, and Nutrition

1st Edition - January 1, 1964

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  • Authors: Irene Rosenfeld, Orville A. Beath
  • eBook ISBN: 9781483275901

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Description

Selenium: Geobotany, Biochemistry, Toxicity, and Nutrition focuses on the properties, characteristics, reactions, applications, chemistry, and transformations of selenium. The book first offers information on the geological distribution of selenium, including the formation of seleniferous soils, chemical forms of selenium in soils, selenium in water, selenium on the sea floor and in sea water, and geobotany. The text then takes a look at selenium indicator in plants and accumulation of selenium by plants. Discussions focus on selenium accumulations in indicator plants; selenium accumulation in farm crops and native grasses; factors that influence selenium accumulation in plants; and identification of indicators by germination tests. The manuscript elaborates on selenium poisoning in animals and prevention and control of selenium poisoning. Acute selenium poisoning, chronic selenium poisoning by inorganic selenium, and recognition of poisonous range plants are also discussed. The text also examines selenium in nutrition and the chemistry of selenium. The publication is a valuable source of data for readers interested in the study of selenium.

Table of Contents


  • Preface

    Chapter I. History

    References

    Chapter II. Geological Distribution of Selenium

    Origin of Selenium

    Stratigraphic Principles

    Seleniferous Rocks and Minerals

    The Formation of Seleniferous Soils

    Chemical Forms of Selenium in Soils

    Selenium Content of Soils

    Selenium in Soils of Other Countries

    Selenium in Water

    Selenium on the Sea Floor and in Sea Water

    Geobotany

    References

    Chapter III. Selenium Indicator Plants

    Genus Astragalus

    Astragalus L. Milk Vetch

    Key to Seleniferous Species of Astragalus

    Nonindicator Species of Astragalus

    Section Xylorhiza of Machaeranthera

    Section Xylorhiza of Machaeranthera, Woody Aster

    Section Oonopsis of Haplopappus

    Section Oonopsis of Haplopappus, Goldenweed

    Genus Stanleya

    Stanleya Prince's Plume

    Secondary Selenium Absorbers

    Identification of Indicators by Germination Tests

    Selenium Effect on Primary Indicators

    Physiological Differentiation in Astragalus

    Herbarium Collections of Astragalus

    References

    Chapter IV.Accumulation of Selenium by Plants

    Selenium-Accumulating Capacity of Plants

    Selenium Accumulation in Indicator Plants

    Selenium Accumulation in Farm Crops

    Selenium Accumulation in Native Grasses

    Comparative Selenium Accumulation by Plants

    Factors that Influence Selenium Accumulation in Plants

    Toxic Effects of Selenium on Plants

    Chemical Forms of Selenium in the Plant

    References

    Chapter V. Selenium Poisoning in Animals

    Livestock

    Acute Selenium Poisoning

    Chronic Selenium Poisoning

    Chronic Poisoning of the Blind-Staggers Type

    Chronic Poisoning of the Alkali-Disease Type

    Chronic Selenium Poisoning by Inorganic Selenium

    Laboratory Animals

    Acute Selenium Poisoning

    Subacute and Chronic Selenium Poisoning

    The Effect of Selenium on Reproduction and Congenital

    Malformations

    Insects and Mites

    Other Animals

    References

    Chapter VI. Prevention and Control of Seleniuis Poisoning

    Mapping of Seleniferous Areas

    Recognition of Poisonous Range Plants

    Land Management

    Tolerance Limits

    Selection of Animals

    Grazing Control

    Trailing Livestock

    Use of Herbicides

    Irrigation

    Selection of Crops

    Crops for Industrial Use

    References

    Chapter IV. Accumulation OF Selenium by Plants

    Selenium-Accumulating Capacity of Plants

    Selenium Accumulation in Indicator Plants

    Selenium Accumulation in Farm Crops

    Selenium Accumulation in Native Grasses

    Comparative Selenium Accumulation by Plants

    Factors that Influence Selenium Accumulation in Plants

    Toxic Effects of Selenium on Plants

    Chemical Forms of Selenium in the Plant

    References

    Chapter V. Selenium Poisoning in Animals

    Livestock

    Acute Selenium Poisoning

    Chronic Selenium Poisoning

    Chronic Poisoning of the Blind-Staggers Type

    Chronic Poisoning of the Alkali-Disease Type

    Chronic Selenium Poisoning by Inorganic Selenium

    Laboratory Animals

    Acute Selenium Poisoning

    Subacute and Chronic Selenium Poisoning

    The Effect of Selenium on Reproduction and Congenital

    Malformations

    Insects and Mites

    Other Animals

    References

    Chapter VI. Prevention and Control of Seleniuis Poisoning

    Mapping of Seleniferous Areas

    Recognition of Poisonous Range Plants

    Land Management

    Tolerance Limits

    Selection of Animals

    Grazing Control

    Trailing Livestock

    Use of Herbicides

    Irrigation

    Selection of Crops

    Crops for Industrial Use

    References

    Chapter VII. Selenium in Nutrition

    Selenium in Livestock Nutrition

    Selenium in Laboratory Animal Nutrition

    Selenium in Chick Nutrition

    Selenium in Human Nutrition

    Proposed Experimentation

    References

    Chapter VIII. Selenium in Relation to Public Health

    Selenium in Local Foods

    Survey of Health of Rural Populations

    Some Cases of Human Poisoning

    Human Chronic Selenosis in Colombia, South America

    Dental Caries

    Public Health Hazards in Nonseleniferous Areas

    Selenium as an Industrial Hazard

    References

    Chapter IX. Chemistry of Selenium

    Physical and Chemical Properties of Selenium

    Inorganic Selenium Compounds

    Preparation of Sodium or Potassium Selenite

    Preparation of Potassium Selenate

    Radiochemistry of Selenium

    Organoselenium Compounds

    Methods of Determination

    Reagents

    General Method

    Determination of Selenium in Various Materials

    Estimation of Water-Soluble Selenate, Selenite, and Organic Selenium

    Micro Methods for Determination of Selenium .

    Use of Selenium Compounds

    References

    Chapter X. BIochemistry Of Selenium

    Metabolic Antagonists of Selenium Compounds

    Effects of Selenium Compounds on Cell Growth and Ce

    Division

    Reduction of Selenium Compounds

    Biological Selenium Activation and Transmethylation

    The Effect of Selenium Compounds on Enzyme Systems

    Biosynthesis of Organic Selenium Compounds

    References

    Author Index

    Subject Index

Product details

  • No. of pages: 424
  • Language: English
  • Copyright: © Academic Press 1964
  • Published: January 1, 1964
  • Imprint: Academic Press
  • eBook ISBN: 9781483275901

About the Authors

Irene Rosenfeld

Orville A. Beath

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