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What does a Time/Temperature Strip (TTI) indicate?

  1. Quality of food service

  2. Accumulated time and temperature history

  3. Cooking method used

  4. Microbial load in food

The correct answer is: Accumulated time and temperature history

A Time/Temperature Strip (TTI) is a monitoring device used to indicate the accumulated time and temperature exposure of food items. This strip changes color based on the conditions the food has been exposed to over a specified period, thereby providing information on whether the food has been kept within safe temperature limits. This is crucial for food safety because both time and temperature are significant factors in the growth of microorganisms that can lead to foodborne illnesses. By utilizing a TTI, food service operators can better manage food safety protocols and ensure that the food served to consumers is safe and of good quality. Other options do not accurately reflect the purpose of a TTI. While quality of food service and cooking methods may be important in food management, they are not directly indicated by a TTI. Similarly, while microbial load is a crucial factor regarding food safety, the TTI does not measure microbial levels; it only indicates whether food has been stored or transported under safe conditions.