Question: Example 4 A thermal process is accomplished by instantaneous heating to 1 3 0 deg C followed by a 4 s hold and instantaneous

Example 4
A thermal process is accomplished by instantaneous heating to 130\deg C followed
by a 4 s hold and instantaneous cooling. Estimate the lethality at 121\deg C when
the thermal resistance (z) for the microorganism is 8.5\deg C.

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