Question:medium
Pasteurization of milk by the holder method is done at:
Pasteurization of milk by the holder method is done at:
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Holder method = low temperature, long time.
Updated On: Jun 24, 2026
- 73 degrees C for 20 minutes
- 63 degrees C for 30 minutes
- 72 degrees C for 30 seconds
- 63 degrees C for 30 seconds
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The Correct Option is B
Solution and Explanation
Step 1: The task is to recall the standard temperature and time used in the holder method of milk pasteurization.
Step 2: In this low-temperature, long-time approach the milk is held at roughly 63 degrees C for a full 30 minutes, which inactivates pathogens such as the tubercle bacillus.
Step 3: The faster HTST technique instead pushes the temperature to about 72 degrees C for only around 15 seconds before quick chilling.
Step 4: Matching the holder method to its correct pairing eliminates the 73 degree, 30-second and 72 degree 30-second options, leaving 63 degrees C for 30 minutes. \[\boxed{63\ \text{degrees C for 30 minutes}}\]
Step 2: In this low-temperature, long-time approach the milk is held at roughly 63 degrees C for a full 30 minutes, which inactivates pathogens such as the tubercle bacillus.
Step 3: The faster HTST technique instead pushes the temperature to about 72 degrees C for only around 15 seconds before quick chilling.
Step 4: Matching the holder method to its correct pairing eliminates the 73 degree, 30-second and 72 degree 30-second options, leaving 63 degrees C for 30 minutes. \[\boxed{63\ \text{degrees C for 30 minutes}}\]
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