Question

Pasteurisation is a process in which certain packaged and non-packaged foods are treated with heat and suddenly cooled to eliminate pathogens and extend shelf life. What is the temperature at which food is heated in this process?

• A. 200°C
• B. 150°C
• C. 100° C
• D. 70° C

Answer 1

The correct option is D 70° C

Pasteurisation is a process developed by Louis Pasteur for the preservation and storage of milk. In this process, milk is first heated to about 70 degrees Celsius for 15 to 30 seconds. Then it is suddenly chilled and stored. This sudden heating and cooling action kills the prevents the growth of harmful microbes.