how is pasteurisation done to preserve milk
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Answer:
Pasteurisation makes sure milk is safe to drink (by killing any bacteria) and also helps to prolong its shelf life. The process of pasteurisation involves heating milk to 71.7°C for at least 15 seconds (and no more than 25 seconds).
Organic milk lasts longer because producers use a different process to preserve it. ... The different temperatures hint at why UHT-treated milk lasts longer: Pasteurization doesn't kill all bacteria in the milk, just enough so that you don't get a disease with your milk mustache. UHT, on the other hand, kills everything.
Explanation:
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Answer:
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Explanation:
Pasteurisation makes sure milk is safe to drink (by killing any bacteria) and also helps to prolong its shelf life. The process of pasteurisation involves heating milk to 71.7°C for at least 15 seconds (and no more than 25 seconds). ... Once the milk has been heated, it is then cooled very quickly to less than 3°C.