Heat Treatment

Food is heated up or cooked 

Heat kills micro-organisms, alters protein structure, destroys enzyme activity of micro-organisms in food 

Examples: All forms of cooked food, milk sterilized by UHT (ultra high temperature)

 

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