Preferred Label : Retinol Activity Equivalent;
NCIt synonyms : Retinol Activity Equivalent (IOM); RAE;
NCIt related terms : {RAE}; Vitamin A Retinol;
NCIt definition : An arbitrary unit for measurement of the bioefficacy of ingested provitamin A carotenoids
introduced by the U.S. Institute of Medicine (IOM). For a given amount of provitamin
A compounds in a mixed diet, IOM estimates that the number of retinol activity e (RAE)
is half the number of RE suggested by FAO/WHO. RAE is viewed as an approximate guideline
because it was defined on the basis of relatively few studies and limited data on
carotenoids bioavailability and bioconversion.;
Alternative definition : CRCH: Unit of measure using an accepted conversion formula which adjusts for the lower
bioavailability of provitamin A carotenoids in food compared to retinol.;
Origin ID : C67438;
UMLS CUI : C1882947;
Automatic exact mappings (from CISMeF team)
- Semantic type(s)
- concept_is_in_subset
