Milk is pasteurized by heating at:
Correct answer: C. 71°C for 15 min and 62°C for 32 min
- A. 100°C
- B. 100°C for 30 min
- C. 71°C for 15 min and 62°C for 32 min
- D. 71°C for 32 min and 62°C for 15 sec
Explanation
Pasteurization is a food processing method where a mild heat treatment is applied to food to kill harmful bacteria (pathogens) and extend shelf life. In the pasteurization of milk, the milk is either heated to 71°C for 15 seconds or 62°C for about 30 minutes.
This question appeared on the ETEA MDCAT 2005 paper, which you can sit online with every answer explained.
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