Canning

	Food is cooked under pressure in hermetically sealed (airtight) containers
	Cooking destroys enzymes and micro-organisms. The sealing of cans ensures no micro-organism can get in

Examples: All kinds of tinned foods, such as soup, meat, beans

Home Canning

Common food preservation techniques Heat Treatment|Irradiation|Drying and Dehydration Refrigeration|Freezing|Canning Sugaring|Salting|Meat-curing Pickling in vinegar|Use of food additives|Smoking