rdfs:comment value for the containsIngredient property of a Food, object is an object of the IngredientAmount class, (instead of a Food object or string directly
rdfs:label An ingredient : a certain quantity of food that is part of another food
rdfs:comment Value is an object of the class Ingredient so, nature of the ingredient (string or other Food, object)
e.g. 1 clove of garlic -> quantity = 1, unit