Understanding Nutritional Reference Values: EAR, RDA, AI, UL, and Food Guides, Quizzes of Community Health

Download Understanding Nutritional Reference Values: EAR, RDA, AI, UL, and Food Guides and more Quizzes Community Health in PDF only on Docsity! TERM 1 Estimated Average Requirement (EAR) DEFINITION 1 meets needs of 50% of populationthe average daily nutrient intake level estimated to meet the requirement of half the healthy individuals in a particular life stage and gender group TERM 2 Recommended Dietary Allowance (RDA) DEFINITION 2 -the average daily dietary nutrient intake level sufficient to meet the nutrient requirement of nearly all (97 to 98 percent) healthy individuals in a particular life stage and gender group-set 2 standard deviations above the mean requirement-not a minimal requirement; more than the average requirement-changes because (a) knowledge - base grows (b) scientific judgement evolves- basis for planning menus for: school breakfast and lunch; head start; armed forces; hospitals; long term care; congregate meal sites; WIC; prisons TERM 3 Adequate Intake (AI) DEFINITION 3 when not enough scientific data available for EAR or RDA based on approx of average nutritional intake to sustain a defined nutritional statethe recommended average daily intake level based on observed or experimentally determined approximations or estimates of nutrient intake by a group of apparently healthy people that are assumed to be adequate- used when an RDA cannot be determined TERM 4 Tolerable Upper Limit (UL) DEFINITION 4 max level likely to be safethe highest average daily nutrient intake level that is likely to pose no risk of adverse health effects to almost all individuals in the general population. as intake increases above the UL, the potential risk of adverse effects may increase TERM 5 Dietary reference intake (DRI) DEFINITION 5 set of four reference values: EAR RDA AI UL