Vitamin A
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The Vitamin A Story
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Author : R.D. Semba
language : en
Publisher: Karger Medical and Scientific Publishers
Release Date : 2013-07-01
The Vitamin A Story written by R.D. Semba and has been published by Karger Medical and Scientific Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-01 with Medical categories.
This book shows how vitamin A deficiency – before the vitamin was known to scientists – affected millions of people throughout history. It is a story of sailors and soldiers, penniless mothers, orphaned infants, and young children left susceptible to blindness and fatal infections. We also glimpse the fortunate ones who, with ample vitamin A-rich food, escaped this elusive stalker. Why were people going blind and dying? To unravel this puzzle, scientists around the world competed over the course of a century. Their persistent efforts led to the identification of vitamin A and its essential role in health. As a primary focus of today’s international public health efforts, vitamin A has saved hundreds of thousands of lives. But, we discover, they could save many more were it not for obstacles erected by political and ideological zealots who lack a historical perspective of the problem. Although exhaustively researched and documented, this book is written for intellectually curious lay readers as well as for specialists. Public health professionals, nutritionists, and historians of science and medicine have much to learn from this book about the cultural and scientific origins of their disciplines. Likewise, readers interested in military and cultural history will learn about the interaction of health, society, science, and politics. The author’s presentation of vitamin A deficiency is likely to become a classic case study of health disparities in the past as well as the present.
Vitamin A
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Author : Thomas Moore
language : en
Publisher:
Release Date : 1957
Vitamin A written by Thomas Moore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Vitamin A. categories.
Vitamin A In Health And Disease
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Author : Rune Blomhoff
language : en
Publisher: CRC Press
Release Date : 1994-02-01
Vitamin A In Health And Disease written by Rune Blomhoff and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-02-01 with Medical categories.
Reviews the recent breakthroughs in vitamin A research. Discusses the metabolism of vitamin A; the mechanism of action of vitamin A and the provitamin A carotenoids; the role of retinoids in embryonic development, skin and epithelial cells, blood cells, vision, and reproduction; vitamin A deficiency and teratogenicity; and the anticancer role of vitamin A from an epidemiological point of view. Intended as a source of information for scientists engaged in research in the field of vitamin A.
Review Of Dietary Advice On Vitamin A
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Author : Great Britain: Scientific Advisory Committee on Nutrition: Vitamin A Subgroup
language : en
Publisher: The Stationery Office
Release Date : 2005-09-12
Review Of Dietary Advice On Vitamin A written by Great Britain: Scientific Advisory Committee on Nutrition: Vitamin A Subgroup and has been published by The Stationery Office this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-12 with Business & Economics categories.
This report reassess the dietary advice to consumers on foods and supplements containing Vitamin A (retinol), given evidence from the National Diet and Nutrition Survey that the dietary intake for some adults might exceed the safety guidance level set by the Expert Group on Vitamins and Minerals (EVM) in 2003. Liver and dietary supplements (including fish liver oils) are the main sources of retinol. The report concludes that there is insufficient evidence on the association between high intakes of retinol and poor bone health to justify a change in dietary advice for all consumers, but as a precaution for those who are regular consumers of liver (once a week or more) it may be advisable to avoid supplements containing retinol. People at risk of osteoporosis (such as postmenopausal women and older people) are also advised to limit their retinol intakes. Further research is needed on the relationship between retinol intake and bone fracture risk.
Vitamin A Deficiency And Its Consequences
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Author : Alfred Sommer
language : en
Publisher: World Health Organization
Release Date : 1995
Vitamin A Deficiency And Its Consequences written by Alfred Sommer and has been published by World Health Organization this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Medical categories.
Rev. ed. of: Field guide to the detection and control of xerophthalmia. 2nd ed. 1982.
Vitamin A Supplements
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Author : WHO/UNICEF/IVACG Task Force
language : en
Publisher: World Health Organization
Release Date : 1997
Vitamin A Supplements written by WHO/UNICEF/IVACG Task Force and has been published by World Health Organization this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Health & Fitness categories.
Prepared by a WHO/UNICEF/IVACG Task Force
Requirements Of Vitamin A Iron Folate And Vitamin B12
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 1988
Requirements Of Vitamin A Iron Folate And Vitamin B12 written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Health & Fitness categories.
Vitamin A Deficiency And Its Control
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Author : Jack Christopher Bauernfeind
language : en
Publisher:
Release Date : 1986
Vitamin A Deficiency And Its Control written by Jack Christopher Bauernfeind and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Health & Fitness categories.
Abstract: A reference text for nutrition researchers, clinical nutritionists, and other health care professionals provides 19 authoritative reviews by international experts concerning various aspects of the cause, symptoms, and treatment of vitamin A deficiency. Topics focusing on vitamin A deficiency include: global incidences; the physiologic and metabolic basis of the major symptoms of deficiency; nutrient-nutrient interactions; its pathogenesis and clinical aspects; its control by education and public health approaches; its control by diet and supplements; its control in various regions (India; Central America; the Philippines; Indonesia); its effect in pregnancy, lactation, and in the nursing infant; and programs for its prevention and treatment. Related topics include the effect of vitamin A status on the immune system and on cancer induction. The activities of major organizations involved in the eradication of vitamin A deficiency also are discussed.
Requirements Of Vitamin A Thiamine Riboflavine And Niacin
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 1967
Requirements Of Vitamin A Thiamine Riboflavine And Niacin written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Nutrition categories.
The prevalence of deficiency states in respect to vitamin A, thiamine, riboflavine, and niacin is discussed in light of clinical evidence. Information on the intake, absorption and utilization of the vitamins and depletion-repletion study results provide a basis to recommend vitamin needs. Specific characteristics, utilization and needs for each vitamin are presented. Practical implications are discussed with reference to 1) assessment of the adequacy of total food supplies and results of consumption surveys; 2) methods of improving diets to attain recommended intake levels; 3) public health aspects of meeting needs of vulnerable groups. The FAO report recommends 1) further research to fill gaps in present knowledge of vitamins; 2) acceptance of recommended intake levels as objectives for nutritional improvement; 3) attention to young children's vulnerability to deficiencies, especially vitamin A; 4) direct attention to adequate nutrient intake for all age group; 5) depreciation of programs that overemphasize provision of individual nutrients rather than balanced intake.
Vitamin A And Carotenoids
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Author : Victor R Preedy
language : en
Publisher: Royal Society of Chemistry
Release Date : 2012-08-21
Vitamin A And Carotenoids written by Victor R Preedy and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-21 with Medical categories.
Vitamin A has an important role to play in vision, bone growth, reproduction, cell division, and cell differentiation. With the focus on Vitamin A and Carotenoids, this book includes the latest research in these areas and starts with an overview putting the compounds in context with other vitamins, supplementation and discussing the importance of beta-carotene. Details of the chemistry, structure and biochemistry of the compounds begins with nomenclature followed by information on encapsulation, thermal degradation and occurrence. Developments in analytical and bioanalytical techniques concerning these compounds in plant, milk and human tissue systems are covered in detail. Finally, the book covers the extensive functions and effects of Vitamin A on eg developmental growth, immune function, cancer risk, the brain and lungs as well as vision. Delivering high quality information, this book will be of benefit to anyone researching this area of health and nutritional science. It will bridge scientific disciplines so that the information is more meaningful and applicable to health in general. Part of a series of books, it is specifically designed for chemists, analytical scientists, forensic scientists, food scientists, dieticians and health care workers, nutritionists, toxicologists and research academics. Due to its interdisciplinary nature it could also be suitable for lecturers and teachers in food and nutritional sciences and as a college or university library reference guide.