Question
Discuss the 12 D concepts used in sterilizing foods.
Answer :
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The 12 D concept is a microbiological principle used in commercial sterilization of low-acid canned foods to ensure their safety by destroying heat-resistant bacterial spores, especially *Clostridium botulinum*. The letter "D" represents the decimal reduction time, which is the time required at a specific temperature to reduce the microbial population by 90%, or by one logarithmic cycle. The 12 D process means applying sufficient heat to achieve twelve successive decimal reductions of *C. botulinum* spores. If the initial population is assumed to be (10^{12})
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