Assertion: yam's antioxidant | /r/CapableOf | play key role
Facets:
value: in immune system health
type: TRANSITIVE-OBJECT
value: in connective tissue development
type: LOCATION
value: in maintaining a healthy immune system
type: PURPOSE
Source sentences:
text: A 100-gram (3.5 oz) serving of oca provides almost 40 milligrams of vitamin C, an important antioxidant that plays a key role in maintaining a healthy immune system and preventing premature aging.
text: Sweet potatoes are also great sources of vitamin C, a powerful antioxidant that plays key roles in immune system health, connective tissue development, and wound healing.