| Description |
1 online resource |
| Series |
World review of nutrition and dietetics, 0084-2230 ; v. 103 |
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World review of nutrition and dietetics ; v. 103. 0084-2230
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| Contents |
Cover; Front Matter; Contents; Acknowledgements; Preface; Foreword; Chapter 1: Foreground; Setting of VADD; Nature of VADD; Significance of VADD; Chapter 2: Vitamin A in Nature; Light; Carotenoids and Retinoids; Photosynthesis; Rhodopsin Where Least Expected; Bacteriorhodopsin; A 'Typical' Eye; Variations in Chromophores; Photoentrainment; Vitamin A Functions Unrelated to Light; Chapter 3: Methods of Analysis; Analytical Procedures; Bioassay Procedures; Carotenoid Analysis in Foods; Chapter 4: Food Sources; Introduction; Units of Vitamin A Activity; Provitamin A Carotenoid Sources |
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Preformed Vitamin AChapter 5: Bioavailability of Carotenoids; Introduction; Recent Advances in Technology; Isotope Dilution Techniques; Factors Affecting the Bio- Availability of Carotenoids; Other Techniques; Conversion Factors; Chapter 6: Vitamin A in Health; Digestion and Absorption; Transport to the Liver; Metabolism in the Liver; Transport Between Cells; Cellular Retinol-binding Proteins (CRBP) (Li, Norris 1996); Gene Function and Retinoids; Functions of Vitamin A; Activities of Carotenoids; Human Requirements; Chapter 7: Assessment of Vitamin A Status; Introduction |
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Indicators at the Subclinical LevelIndicators at the Clinical Level; Assessment of Dietary Intake of Vitamin A; Chapter 8: Xerophthalmia; Definitions; Night Blindness (XN); Conjunctival Xerosis (X1A); Bitot's Spot (X1B); Corneal Xerosis (X2); Keratomalacia (X3A, X3B); Corneal Scar (XS) -- Vitamin A Related; Xerophthalmic Fundus (XF); Chapter 9: Mortality and Morbidity, Especially in Relation to Infections; Introduction; Mortality Associated with Non- corneal Xerophthalmia; Vitamin A Intervention and Mortality in Young Children; Cause-Specific Mortality; Contribution of VAD to Child Mortality |
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Measles Mortality and Vitamin A TreatmentVitamin A Supplementation and Maternal Mortality; Vitamin A Supplementation and Infectious Morbidity; HIV/AIDS; Remarks; Chapter 10: Other Effects of VAD; Anemia; Growth; Immune Response; Normal and Diseased Skin; Thyroid Function; Reproductive Systems; Bone; Chapter 11: Interaction of Vitamin A and Other Micronutrients; Introduction; Vitamin A and Iron; Vitamin A and Zinc; Vitamin A, Iron, and Zinc Supplementation; Vitamin A and Iodine; Vitamin A, Riboflavin and Other Micronutrients; Other Multi-Micronutrient Combinations |
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Chapter 12: Global OccurrencePrevalence of VADD; VAD and Blindness; Vitamin A in Global Food Supplies; Methodology; Trends; Country Situations; Chapter 13: Epidemiology; Introduction; Age; Physiological Status; Diet; Breastfeeding; Cultural Factors; Infectious Diseases; HIV/AIDS; Protein-Energy Malnutrition (PEM); Season; Socioeconomic Status; Location; Sex; The VADD Cycle; Chapter 14: Retinoids and Carotenoids in General Medicine; Introduction; Secondary VAD; Hypervitaminosis A; Non-nutritional Diseases Responsive to Vitamin A and/or Carotenoids; Eye Diseases |
| Summary |
Vitamin A plays a key role among the vitamins essential for healthy growth and development. Vitamin A deficiency disorders (VADD) are therefore an important part of general malnutrition that in the majority of cases leads to failure to thrive and underweight. Moreover, apart from adverse effects on health and survival in general, VADD can also lead to blindness, called xerophthalmia, and are also frequently accompanied by various infections. Last but not least, it has become evident that even mild degrees of VAD (and all other forms of nutritional deficiencies) have important adverse implications for health and are thus much more widespread than previously assumed. This publication systematically covers detailed and up-to-date information on every relevant aspect of VADD, with particular emphasis on providing an outline of their setting, nature, and significance. In addition to cutting-edge scientific information, the latest available data on the global occurrence of VAD from the World Health Organization is also included |
| Bibliography |
Includes bibliographical references and index |
| Notes |
Print version record |
| Subject |
Vitamin A deficiency.
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Xerophthalmia.
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Vitamin A Deficiency
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Xerophthalmia
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HEALTH & FITNESS -- Vitamins.
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Xerophthalmia
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Vitamin A deficiency
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Vitamin-A-Mangel
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Augendarre
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| Form |
Electronic book
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| Author |
McLaren, Donald Stewart
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Kraemer, Klaus, 1960-
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| ISBN |
9783318021448 |
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331802144X |
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