Question

define pasteurization​

Answer 1

Pasteurization, heat-treatment process that destroys pathogenic microorganisms in certain foods and beverages.

It is named for the French scientist Louis Pasteur, who in the 1860s demonstrated that abnormal fermentation of wine and beer could be prevented by heating the beverages to about 57° C (135° F) for a few minutes.

Eg:- Preservation of milk.

Answer 2

Heating food items to high temperature kills the microorganisms present in them . Milk is preserved using the technique called pasteurization. In this process, milk is post heated to a very high temperature and then cooled rapidly to very low temperature. This heating and rapid cooling kills the microorganisms. The milk is then packed and sold. This process increases shelf life of milk. Restoration was discovered by French chemist , Louis Pasteur .