Question : At what temperature (in degrees Celsius) is milk heated for 15 to 30 seconds to kill microbes in the pasteurisation method?
Option 1: 45
Option 2: 100
Option 3: 70
Option 4: 20
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Correct Answer: 70
Solution : The correct option is 70 .
Pasteurization involves heating a liquid (such as milk) to a specific temperature for a set period to kill or inactivate harmful microorganisms like bacteria and enzymes that can spoil food or beverages. It involves two methods- High-Temperature Short-Time (HTST) Pasteurization and Ultra-High-Temperature (UHT) Pasteurization. Pasteurization is a process named after French scientist Louis Pasteur.
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