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Vitamin B 6 Metabolism In Pregnancy Lactation And Infancy

Author: Daniel J. Raiten
Publisher: CRC Press
ISBN: 9780849345944
Size: 60.85 MB
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This book provides a comprehensive review of our knowledge of vitamin B-6 requirements and metabolism throughout pregnancy and lactation. It concentrates on two primary points: adequacy of available methodologies and a presentation of the extant knowledge on vitamin B-6 metabolism and requirements in pregnancy, infancy, lactation, and in women of childbearing age. Many of the chapters offer new perspectives on how decisions have been and are being made with regard to the establishment of dietary recommendations about vitamin B-6 and the adequacy of research to support these decisions.

Vitamin B 6 Metabolism In Pregnancy Lactation And Infancy

Author: Daniel J. Raiten
Publisher: CRC Press
ISBN: 9780849345944
Size: 57.40 MB
Format: PDF, ePub, Docs
View: 4927
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This book provides a comprehensive review of our knowledge of vitamin B-6 requirements and metabolism throughout pregnancy and lactation. It concentrates on two primary points: adequacy of available methodologies and a presentation of the extant knowledge on vitamin B-6 metabolism and requirements in pregnancy, infancy, lactation, and in women of childbearing age. Many of the chapters offer new perspectives on how decisions have been and are being made with regard to the establishment of dietary recommendations about vitamin B-6 and the adequacy of research to support these decisions.

Nutrient Regulation During Pregnancy Lactation And Infant Growth

Author: Lindsay Allen
Publisher: Springer Science & Business Media
ISBN: 1489925759
Size: 34.96 MB
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Almost every aspect of energy and nutrient metabolism is altered by hormonal and other physiological changes during pregnancy and lactation. While it is evident that hormonal adjustments affect nutrient requirements, these are rarely considered when nutrient recommen dations are made for pregnant or lactating women, and often neglected during evaluation of nutritional status. In addition, changes in nutrient metabolism during the stages of pregnancy and oflactation are usually considered separately, while in reality events during pregnancy can have a major influence on nutritional status and nutrient requirements during lactation. The purpose of this volume is to describe changes in the metabolism of important nutrients during pregnancy and lactation, including the physiological basis for these changes and their implications for nutrient requirements and assessment. Authors have considered such issues as inter-relationships between endocrine changes and nutrient metabolism at the tissue, cellular and molecular level; alterations in nutrient binding proteins; the efficiency of nutrient absorp tion and retention; and the impact on maternal as well as fetal nutritional status. Another unique aspect of this book is the focus on pregnancy and lactation as a continuum.

Nutrition And Lifestyle For Pregnancy And Breastfeeding

Author: Peter Gluckman
Publisher: Oxford University Press, USA
ISBN: 0198722702
Size: 65.46 MB
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Explaining the practical implications of new discoveries in 'life-course biology', Nutrition and Lifestyle for Pregnancy and Breastfeeding is an informed resource on factors that affect offspring development. The impact of parental lifestyle and behavioural choices influence not only fetal development and birth outcomes, but also postnatal development, yet guidance on appropriate diet, behaviour, and exposures during pregnancy is often confusing and contradictory. With accessible explanations of the latest scientific research, and clear summaries and recommendations, this book is a valuable and authoritative guide for all levels of health care providers. The authors provide an overview of the background evidence, highlighting the importance of lifestyle choices prior to and during pregnancy. In-depth discussions of nutritional and lifestyle factors that impact on pregnancy and offspring outcomes are based on the latest research and exploration of key scientific studies. Nutrition and Lifestyle for Pregnancy and Breastfeeding is a manual offering both scientific and clinical evidence to empower health care providers and ensure they have the information necessary to confidently care for prospective and new parents.

Dietary Reference Intakes

Author: Food and Nutrition Board
Publisher: National Academies Press
ISBN: 0309157420
Size: 22.91 MB
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Widely regarded as the classic reference work for the nutrition, dietetic, and allied health professions since its introduction in 1943, Recommended Dietary Allowances has been the accepted source in nutrient allowances for healthy people. Responding to the expansion of scientific knowledge about the roles of nutrients in human health, the Food and Nutrition Board of the Institute of Medicine, in partnership with Health Canada, has updated what used to be known as Recommended Dietary Allowances (RDAs) and renamed their new approach to these guidelines Dietary Reference Intakes (DRIs). Since 1998, the Institute of Medicine has issued eight exhaustive volumes of DRIs that offer quantitative estimates of nutrient intakes to be used for planning and assessing diets applicable to healthy individuals in the United States and Canada. Now, for the first time, all eight volumes are summarized in one easy-to-use reference volume, Dietary Reference Intakes: The Essential Reference for Dietary Planning and Assessment. Organized by nutrient for ready use, this popular reference volume reviews the function of each nutrient in the human body, food sources, usual dietary intakes, and effects of deficiencies and excessive intakes. For each nutrient of food component, information includes: Estimated average requirement and its standard deviation by age and gender. Recommended dietary allowance, based on the estimated average requirement and deviation. Adequate intake level, where a recommended dietary allowance cannot be based on an estimated average requirement. Tolerable upper intake levels above which risk of toxicity would increase. Along with dietary reference values for the intakes of nutrients by Americans and Canadians, this book presents recommendations for health maintenance and the reduction of chronic disease risk. Also included is a "Summary Table of Dietary Reference Intakes," an updated practical summary of the recommendations. In addition, Dietary Reference Intakes: The Essential Reference for Dietary Planning and Assessment provides information about: Guiding principles for nutrition labeling and fortification Applications in dietary planning Proposed definition of dietary fiber A risk assessment model for establishing upper intake levels for nutrients Proposed definition and plan for review of dietary antioxidants and related compounds Dietitians, community nutritionists, nutrition educators, nutritionists working in government agencies, and nutrition students at the postsecondary level, as well as other health professionals, will find Dietary Reference Intakes: The Essential Reference for Dietary Planning and Assessment an invaluable resource.

Dietary Reference Intakes For Thiamin Riboflavin Niacin Vitamin B6 Folate Vitamin B12 Pantothenic Acid Biotin And Choline

Author: A Report of the Standing Committee on the Scientific Evaluation of Dietary Reference Intakes and its Panel on Folate, Other B Vitamins, and Choline and Subcommittee on Upper Reference Levels of Nutrients
Publisher: National Academies Press
ISBN: 0309064112
Size: 15.64 MB
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Since 1941, Recommended Dietary Allowances (RDAs) has been recognized as the most authoritative source of information on nutrient levels for healthy people. Since publication of the 10th edition in 1989, there has been rising awareness of the impact of nutrition on chronic disease. In light of new research findings and a growing public focus on nutrition and health, the expert panel responsible for formulation RDAs reviewed and expanded its approach--the result: Dietary Reference Intakes. This new series of references greatly extends the scope and application of previous nutrient guidelines. For each nutrient the book presents what is known about how the nutrient functions in the human body, what the best method is to determine its requirements, which factors (caffeine or exercise, for example) may affect how it works, and how the nutrient may be related to chronic disease. This volume of the series presents information about thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline. Based on analysis of nutrient metabolism in humans and data on intakes in the U.S. population, the committee recommends intakes for each age group--from the first days of life through childhood, sexual maturity, midlife, and the later years. Recommendations for pregnancy and lactation also are made, and the book identifies when intake of a nutrient may be too much. Representing a new paradigm for the nutrition community, Dietary Reference Intakes encompasses: Estimated Average Requirements (EARs). These are used to set Recommended Dietary Allowances. Recommended Dietary Allowances (RDAs). Intakes that meet the RDA are likely to meet the nutrient requirement of nearly all individuals in a life-stage and gender group. Adequate Intakes (AIs). These are used instead of RDAs when an EAR cannot be calculated. Both the RDA and the AI may be used as goals for individual intake. Tolerable Upper Intake Levels (ULs). Intakes below the UL are unlikely to pose risks of adverse health effects in healthy people. This new framework encompasses both essential nutrients and other food components thought to pay a role in health, such as dietary fiber. It incorporates functional endpoints and examines the relationship between dose and response in determining adequacy and the hazards of excess intake for each nutrient.

Modern Nutrition In Health And Disease

Author: Maurice Edward Shils
Publisher: Lippincott Williams & Wilkins
ISBN:
Size: 73.42 MB
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New edition of a text that reviews the history, scientific base, and practice of nutrition for students, practitioners, and educators. One hundred fifteen chapters discuss specific dietary components, nutrition in integrated biologic systems, dietary and nutritional assessment of the individual, prevention and management of disease, diet and nutrition in health of populations, and adequacy, safety, and oversight of the food supply. The appendix includes dietary reference recommendations, anthropometric tables, nutrient and nonnutrient contents, therapeutic diets and exchange lists, and other relevant information. Annotation copyrighted by Book News, Inc., Portland, OR

Dictionary Of Medicine

Author: P.H. Collin
Publisher: Routledge
ISBN: 113592841X
Size: 35.49 MB
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First Published in 1999. Routledge is an imprint of Taylor & Francis, an informa company.

Integrating Population Outcomes Biological Mechanisms And Research Methods In The Study Of Human Milk And Lactation

Author: Margarett K. Davis
Publisher: Springer Science & Business Media
ISBN: 1461505593
Size: 44.32 MB
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Integrating Population Outcomes, Biological Mechanisms and Research Methods in the Study of Human Milk and Lactation is the product of the 10th Conference of the International Society for Research on Human Milk and Lactation, held on September 15-19, 2000, in Tucson, Arizona. The presented sessions at the meeting are as diverse as the volume itself. These sessions include the impact of micronutrient deficiencies during lactation on maternal and infant health, the premature infant, developmental immunology, breastfeeding in the industrialized world, and viral transmission in milk. Whenever possible, the sessions were organized to include human population research, research showing the biological underpinnings of the effects on human health, and important methodological issues. This volume is a contemporary and influential tool for human milk biologists, breastfeeding epidemiologists, biochemists, immunologists, clinical specialists, and all professionals and researchers in the field.