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Question
Which of the following processes are used for increasing the shelf life of milk?
Which of the following processes are used for increasing the shelf life of milk?
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Solution
The correct option is C All of the above
- Boiling increases the temperature of milk and kills many bacteria and thus increases the shelf life of milk when compared to raw milk.
- Refrigeration lowers the temperatures of the growth medium ( milk) making it not suitable for bacterial growth and keeps milk fresh for a particular period of time.
- Pasteurization is heating milk to high temperatures and cooling down quickly. This process kills many possible pathogens and increases the shelf life of milk to a better extent. (1 day to 2 days)
- So the correct answer is 'Boiling, Refrigerating, and Pasteurizing'.
- Boiling increases the temperature of milk and kills many bacteria and thus increases the shelf life of milk when compared to raw milk.
- Refrigeration lowers the temperatures of the growth medium ( milk) making it not suitable for bacterial growth and keeps milk fresh for a particular period of time.
- Pasteurization is heating milk to high temperatures and cooling down quickly. This process kills many possible pathogens and increases the shelf life of milk to a better extent. (1 day to 2 days)
- So the correct answer is 'Boiling, Refrigerating, and Pasteurizing'.
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