Pasteurization temperature adjustment for boiling point variations

  1. If you are at altitude and let's say water boils at 95 Celsius.

    Pasteurization for an X food product is 30 minutes at 82 Celsius at sea level.

    Now deductively, should I also reduce my pasteurization temperature to 82-5=77 Celsius to compensate?
     
  2. jcsd
  3. chemisttree

    chemisttree 3,721
    Science Advisor
    Homework Helper
    Gold Member

    No. You should calibrate your thermometer with boiling water and Ice/water slush. A two point linear correction factor should be applied. If you are doing food grade work, you need to use a thermometer that will accurately measure boiling water at 100C and Ice/water slush at 0C. Accuracy costs money.
     
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