Pasteurisation is a method of preservation of milk. In this firstly milk is boiled at a temperature 70°C for 15 to 30 seconds and then suddenly chilled and stored at low temperatures. Due to this growth of microorganisms are prevented.

Use of Pasteurisation- Due to pasteurization growth of microorganisms is prevented and thus they help in storage of milk for a longer period. Pasteurisation prevents spoilage of milk.