Category:BGT Retinol Activity Equivalent(B67611)

From BiomedGT

Retinol Activity Equivalent(B67611)

Lexical

Concept Code: B67611 (O)
Preferred Name: Retinol Activity Equivalent
Coding Scheme: BGT (09.06a )
Synonym: Retinol Activity Equivalent (IOM) (SY) (Source: NCI) / RAE (AB) (Source: NCI) / RAE (SY) (Source: CRCH) / {RAE} (AB) (Source: UCUM) / Vitamin A Retinol (PT) (Source: UCUM) / Retinol Activity Equivalent (PT) (Source: CRCH) / Retinol Activity Equivalent (PT) (Source: NCI) / {RAE} (SY) (Source: NCI)
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. (Source: NCI)
Alt Definition: Unit of measure using an accepted conversion formula which adjusts for the lower bioavailability of provitamin A carotenoids in food compared to retinol. (Source: CRCH)
Scope Note: Preferred_Name: Retinol Activity Equivalent
Scope Note: CRCH Review
URI: http://ncicb.nci.nih.gov/xml/owl/EVS/BiomedGT.owl#B67611

Properties

Semantic_Type: Quantitative Concept
Contributing_Source: UCUM
Concept_In_Subset: UCUM_Terminology

Associations

Parent: Biological_Unit (primitive)

Retinol_Activity_Equivalent Concept_In_Subset UCUM_Terminology

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