killing microorganisms in food can be used to extend the shelf life of that food
preserving_food is food_manipulation. foodborne_botulism is food_poisoning. junk_food is food. food_ingredient is edible_thing. food_manipulation is material_handling. middle_eastern_food is edible_thing. raw_foodism is food. food_salting_event is not preserving_food. preserving_food is not food_manipulation. health_food is edible_thing.