Assertion: broccoli | /r/HasProperty | preserved
Facets:
value: better
type: DEGREE
Source sentences:
text: Broccoli is a particularly rich source of vitamin C and vitamin K. Contents of its characteristic sulfur-containing glucosinolate compounds, isothiocyanates and sulforaphane, are diminished by boiling, but are better preserved by steaming, microwaving or stir-frying.