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Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline, Hardback Book

Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline Hardback

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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. Table of ContentsFront MatterSummary1 Introduction to Dietary Reference Intakes2 The B Vitamins and Choline: Overview and Methods3 A Model for the Development of Tolerable Upper Intake Levels4 Thiamin5 Riboflavin6 Niacin7 Vitamin B68 Folate9 Vitamin B1210 Pantothenic Acid11 Biotin12 Choline13 Uses of Dietary Reference Intakes14 A Research AgendaA Origin and Framework of the Development of Dietary ReferenceIntakesB AcknowledgmentsC Systeme International d'UnitesD Search StrategiesE Methodological Problems Associated with Laboratory Values andFood Composition Data for B VitaminsF Dietary Intake Data from the Boston Nutritional Status Survey,1981-1984G Dietary Intake Data from the Continuing Survey of Food Intakes byIndividuals (CSFII), 1994-1995H Dietary Intake Data from the Third National Health and NutritionExamination Survey (NHANES III), 1988-1994I Daily Intakes of B Vitamins by Canadian Men and Women, 1990, 1993J Options for Dealing with Uncertainties in Developing TolerableUpper Intake LevelsK Blood Concentrations of Folate and Vitamin B12 from the ThirdNational Health and Nutrition Examination Survey (NHANES III),1988-1994L Methylenetetrahydrofolate ReductaseM Evidence from Animal Studies on the Etiology of Neural TubeDefectsN Estimation of the Period Covered by Vitamin B12 StoresO Biographical SketchesP Glossary and AbbreviationsIndex

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