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    Question

    The time required to kill 90% of the microorganisms in

    a sample at a specific temperature is the
    A thermal death point Correct Answer Incorrect Answer
    B F value Correct Answer Incorrect Answer
    C D value Correct Answer Incorrect Answer
    D Z value Correct Answer Incorrect Answer

    Solution

    The D -value  refers to time taken at a given temperature to reduce the population of exposed microorganisms by 90% or achieve a 1-log reduction.

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