Determining life-stage groups and extrapolating nutrient intake values (NIVs).

  title={Determining life-stage groups and extrapolating nutrient intake values (NIVs).},
  author={Stephanie A. Atkinson and Berthold Koletzko},
  journal={Food and nutrition bulletin},
  volume={28 1 Suppl International},
The derivation of reference values in 11 current dietary reference standards is often based on methods of extrapolation or interpolation, but these are not consistent across reports. Such methods are frequently employed to derive nutrient intake values (NIVs) for infants and children owing to the paucity of relevant research data available. The most common method is to extrapolate values for children down from those of adults, employing a weight or metabolic factor and adjusting for growth. In… CONTINUE READING


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