Question

Heating milk at 65${}^o$C followed by sudden cooling is known as

• A. Sterilization
• B. Preservation
• C. Pasteurization
• D. Fermentation

Answer 1

The correct option is C Pasteurization

Pasteurization is a heat treatment process where the milk is heated at 60-70${}^0$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.