Assertion: carotene | /r/HasProperty | provitamin a
Facets:
Source sentences:
text: up to 30 - 50 mg./kg., E (tocopherol), carotene (provitamin A), vitamins PP (nicotinic acid) – up to 1 mg.
text: They lack Vitamin C, and with the exception of yellow maize, also lack carotene (provitamin A).
text: Many tropical fruits, notably the mango and the papaya, are a good source of carotene (provitamin A).