Assertion: citrus fruit's vitamin c | /r/HasProperty | part of a matrix
Facets:
value: in oranges
type: LOCATION
Source sentences:
text: In oranges, vitamin C is part of a matrix involving many beneficial phytochemicals (for example, cyanidin-3-glucoside, flavanones and carotenoids)."But how they are interacting is still anyone's guess," she added.