The product temperatures at the center of the particles being carried through the holding tube of an
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Question:
The product temperatures at the center of the particles being carried through the holding tube of an aseptic processing system have been predicted as following:
Time (s) | Temperature (C) |
0 | 85 |
5 | 91 |
10 | 103 |
15 | 110 |
20 | 116 |
25 | 120 |
30 | 123 |
The purpose of the thermal process is to reduce the population of a thermally resistant microbial spore with a D121 of 0.4 min and z of 9C.
a. If the initial population is 100 per particle, estimate the probability of spore survivors from the aseptic process.
b.Estimate the retention of a quality attribute with D121 of 2 min. and z 120C.
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