Pasteurization is a method of preservation of

Concept:

Food preservation:

• The food preservation method protects food from microbial growth.
• This process helps to prevent spoilage of edible items.
• By this method foods' nutritive value, colour and flavour remain intact.

Explanation:

Pasteurization:

• This process was discovered by Louis Pasteur.
• In this process, the milk is heated to about 70ºC  for 15 to 30 seconds and then suddenly chilled and stored.
• By doing so, it prevents the growth of microbes in milk.
• It is called pasteurisation.
• Pasteurised milk can be consumed without boiling as it is free from harmful microbes.

Thus, pasteurization is a method of preservation of milk