Assertion: carotenoid | /r/HasProperty | converted to retinol
Facets:
value: by the body
type: CAUSE
Source sentences:
text: Both retinyl esters and provitamin A carotenoids are converted to retinol, which is oxidized to retinal and then to retinoic acid .
text: Provitamin A carotenoids are less easily absorbed than preformed vitamin A and must be converted to retinol and other retinoids by the body (Figure 3).
text: Vitamin A obtained from colorful fruits and vegetables is in the form of "provitamin A" carotenoids, which are converted to retinol by the body after the food is ingested.