Estimated Average Requirement Ear

Encyclopedia of food sciences and nutrition second edition 2003.
Estimated average requirement ear. Ears have not been established for vitamin k pantothenic acid biotin choline chromium fluoride manganese or other nutrients not yet evaluated via the dri process. An estimated average requirement ear is the average daily nutrient intake level estimated to meet the requirements of half of the healthy individuals in a group. Because the needs of the other half of the population will not be met by this amount the ear is increased.
The estimated average requirement ear is the amount of a nutrient that is estimated to meet the requirement for a specific criterion of adequacy of half of the healthy individuals of a specific age sex and life stage. For each nutrient an estimated average requirement was set from which an rdi could be derived note that the us canadian terminology is recommended dietary allowance or rda whilst the various nrvs are expressed on a per day basis they should apply to intakes assessed over a period of about 3 to 4 days. That is if an ear can not be set no rda will be set.
The estimated average requirements ears are the intake levels for nutrients estimated to meet the needs of half of the healthy individuals in a particular group. Estimated average requirement 1 the ear is the daily intake value that is estimated to meet the requirement as defined by the specified indicator of adequacy 1 the definition of ear implies a median as opposed to a mean or average.