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Which of these is a time and temperature control rather than a formulation control?

  • A.Acidifying to a pH below 4.6
  • B.Drying the product
  • C.Chilling cooked food quickly
  • D.Adding salt to lower water activity

Answer: C

Cooling quickly limits how long the food spends in the growth range, which is a control on process conditions. Salt, acid and drying all work by changing the food itself so that growth is restricted wherever it is kept.

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