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Microorganism “X” is contaminated in food suspension containing 4×104 having a D value of 1.3 min...

Microorganism “X” is contaminated in food suspension containing 4×104 having a D value of 1.3 min at 121.1 C and 7×105 spores of microorganism “Y” having a D value of 0.6 min at 121.1◦C is heated at a uniform constant temperature of 121.1 C. To obtain a probability of spoilage 1 in 10000, the heating time for this food suspension at 121.1 C needed to calculate.

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