Class FOOD

Any substance containing nutrients, such as carbohydrates, proteins, and fats, that can be ingested by a living organism and metabolized into energy and body tissue. Some foods are naturally occurring, others are either partially or entirely made by humans.
Subclass-Of: Substance
Axioms:
(Slot-Value-Type Food Affects Biologic-Function)

(<=> (Food ?Self)
     (And (Substance ?Self)
          (Exists (?A) (And (Component ?Self ?A) (*Nutrient ?A)))
          (Exists (?B)
                  (And (Exploited-By ?Self ?B)
                       (Nutrition-Function ?B)))))