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    Question

    In high-temperature short-time (HTST) pasteurization,

    milk is heated at:
    A 72°C for 15 seconds Correct Answer Incorrect Answer
    B 62°C for 15 seconds Correct Answer Incorrect Answer
    C 72°C for 30 minutes Correct Answer Incorrect Answer
    D 62°C for 30 minutes Correct Answer Incorrect Answer

    Solution

    HTST pasteurization heats milk to 72°C for 15 seconds to kill pathogenic bacteria while preserving flavor and nutritional quality. The low-temperature long-time (LTLT) method uses 62°C for 30 minutes.

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