Assertion: choline | /r/HasProperty | acknowledged as required nutrient
Facets:
value: in 1998
type: TEMPORAL
value: by the institute of medicine
type: OTHER
value: officially
type: MANNER
Source sentences:
text: It was only acknowledged as a required nutrient by the Institute of Medicine in 1998.
text: Choline was officially acknowledged as a necessary nutrient by the Institute of Medicine in 1998 (FNBIOM, 1998).