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GK QUESTION#3443

In standard high-temperature short-time pasteurisation of ordinary fluid milk, what minimum temperature is paired with a holding time of at least 15 seconds?

  1. A80° C
  2. B72° CCorrect answer
  3. C45° C
  4. D60° C
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Answer

B. 72° C

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Explanation

A standard high-temperature short-time treatment for ordinary fluid milk is heating every particle to at least 72°C for at least 15 seconds. This is heating below the normal boiling point, not boiling. Other validated time–temperature combinations exist, including lower-temperature batch pasteurisation.

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