QUESTION A thermal process for a conduction heating product in a 307 x 407 can...
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QUESTION A thermal process for a conduction heating product in a 307 x 407 can is being established. The initial product temperature is 20C and the heating medium (retort) temperature is 125C. The spoilage microorganism has a D121 = 4 min and z = 10C. The retort comeup- time is 10 min, and the fh = 40 min, jh = 1.7, and jc = 1.2. a. If the initial microbial population is 2 x 10^5 per container, determine the target lethality (F) needed to ensure a spoilage rate of 1 can per 10 million processed. b. Compute the operator time for the retort, and determine the temperature at the end of product heating Assume that the initial temperature of the carrot pieces is 4C and that the blanching temperature is 118C
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