dehydrating food is used for preserving food
dehydrated_food is not convenience_food. dehydrated_food is not foodstuff. preserving_food is prevention_of_spoilage. smoking_food is not preserving_food. preserving_food is taking_care_of. preserving_food is becoming. dehydrated_food is convenience_food. smoking_food is preserving_food. canning is preserving_food. dehydrated_food is foodstuff.