Heat penetration results for corn

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Consider the following heat penetration results for corn in cans processed for 45 minutes, where target temperature of the retort (Tr) was 250°F.

Time(minutes)  Temperature, Tc(°F)

0 (to 5)              175.0

5 (to 10)            205.0

10 (to 15)           224.2

15 (to 20)          235.5

20 (to 25)         241.7

25 (to 30)         245.3

30 (to 35)         247.3

35 (to 40)         208.0

40 (to 45)         128.0

a. Find the overall process lethality using the Improved General Method with lethal rates determinedfor a reference organism with z = 18 °F; express your final answer in correct F-value notation. 

b. Calculate the overall process lethality if the initial temperature increases to 200°F

c. Calculate the overall process lethality if the retort temperature change to 245°F

Reference no: EM131680599

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