Assertion: protein | /r/CapableOf | provide 17 kj
Facets:
value: of energy per gram
type: OTHER
Source sentences:
text: Carbohydrates and proteins provide 17 kJ approximately (4 kcal) of energy per gram, while fats provide 37 kJ (9 kcal) per gram, though the net energy from either depends on such factors as absorption and digestive effort, which vary substantially from instance to instance.