Question

The process of heating milk at ${72}^o$C for 15 seconds and then rapidly cooling it in order to kill microbes is called pasteurisation.

• A. True
• B. False

Answer 1

The correct option is A True

Milk is heated at 72° C for 15 seconds or 63° C for 30 minutes and quickly cooled to 10° C. The cell membrane of the microorganisms in the milk gets ruptured due to the sudden change in temperature and they are destroyed. This method is called pasteurisation, developed by a scientist Louis Pasteur.