International Unit of Vitamin A

Preferred Label : International Unit of Vitamin A;

NCIt synonyms : IU Vitamin A;

NCIt related terms : [iU]{Vitamin A};

NCIt definition : An arbitrary unit of measurement of the specific biological activity of vitamin A, defined by the International Conference for Unification of Formula as equal approximately to 0.30 micrograms of all-trans retinol or to 0.60 micrograms of the provitamin A, all-trans-beta-carotene.;

Details

Origin ID

C67374;

UMLS CUI

C1881234;

Semantic type(s)
- Quantitative Concept [UMLS semantic type]
concept_is_in_subset
- UCUM Terminology [NCIt concept]

Keyword's position in hierarchy(ies) :

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