Question

Pasteurization involves the

• A. Exposure of food to high temperatures for short periods to destroy harmful microorganisms.
• B. Exposure of food to heat to inactivate enzymes that cause undesirable effects in foods during storage.
• C. Fortification of foods with vitamins A and D.
• D. Use of irradiation to destroy certain pathogens in foods.

Answer 1

The correct option is A Exposure of food to high temperatures for short periods to destroy harmful microorganisms.

Pasteurization is a heat treatment process where the liquid and food are heated at 70${}^0$C for 15 to 30 seconds and suddenly chilled and store. This method is used to kill the bacteria in liquid and foods and inhibits their further growth. It is named for the French scientist, Louis Pasteur, who gave this preservation technique in the 1860s.

Therefore, the correct answer is option A.