Dietary Reference Intakes Research Synthesis Workshop Summary (2007) / Chapter Skim
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1 Introductory Session
1 Introductory Session
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Dr. Erdman served as a member, vice-chair, and then chair of the Standing Committee on Scientific Evaluation of Dietary Reference Intakes that oversaw the 1994–2004 DRI process.
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The Federal DRI Steering Committee represents a wide range of interest in the
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The steering committee's goals for the project include the following: • Gather the research recommendations from the eight DRI reports • Synthesize those recommendations in a searchable database • Identify gaps in knowledge -- including progress that has been made and the gaps that still need to be filled • Stimulate research to fill gaps • Assist sponsors in setting priorities • Alert the research community to the gaps and priorities • Make future DRI recommendations even more meaningful Dr. Coates asked researchers and other users of the data contained in the DRI reports to provide the Federal DRI Steering Committee with suggestions for improving and making the most use out of the database of DRI research recommendations.
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A Brief History of Recommended Dietary Allowances The development and publication of nutrient recommendations in the United States officially began in the early 1940s with the first edition of Recommended Dietary Allowances (NRC, 1943)
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The users of RDAs included government, industry, academia, and health services. The uses of the RDAs, some of which were appropriate and some of which were not, included the following: • Guide for procuring food supplies for groups of healthy persons • Basis for planning meals for groups • Reference point for evaluating the dietary intake of population subgroups • Component of food and nutrition education programs • Reference point for the nutrition labeling of food and dietary supplements Development of a New Framework In 1989, the National Research Council (NRC)
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Interest in setting upper levels grew, in part, because the new approach might increase recommendations for certain nutrients to alleviate chronic diseases, which, in turn, might move the intake values to a level that would be close to the upper level for one or more nutrients. Following release of the report of the workshop, the Food and Nutrition Board provided additional opportunities for input from scientists and users of nutrient recommendations.
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4. Tolerable Upper Intake Level (UL)
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AIs are set when data are insufficient to establish an EAR. The AI for a nutrient is a recommended average daily intake level based on observed or experimentally determined approximations or estimates of nutrient intake by a group (or groups)
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Erdman expressed appreciation for the broad support that has made it possible to produce the DRI reports. He also highlighted the upcoming single volume summary of the DRI reports, Dietary Reference Intakes: The Essential Guide to Nutrient Requirements (IOM, 2006a)
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