Discussion
Processing of fluid milk at 72 °C for 15 seconds is termed as
Answer: A
Heating milk to 72 °C for 15 seconds is High-temperature, short-time (HTST) pasteurization.
HTST pasteurization, 71.7-72 °C for at least 15 s in a plate heat exchanger with immediate cooling, destroys pathogens such as Coxiella burnetii and Mycobacterium tuberculosis while keeping flavour change small.
LTLT (batch) pasteurization uses about 63 °C for 30 minutes. UHT treatment uses about 135-150 °C for a few seconds and gives a shelf-stable product. Homogenization reduces fat globule size by pressure and is not a heat treatment.
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