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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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