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It must maintain a minimum temperature of 140 degree Fahrenheit. 
Temperature and time are the two most important factors which are crucial for controlling the rate of growth of bacteria causing diseases in foods.
Hot foods must be maintained at 140 degree Fahrenheit or higher.

A tray of eggs being hot held on a breakfast bar must maintain a minimum internal temperature of 70°- 75° C .

What is meant by minimum internal temperature for cooking ?

There is a safe minimum internal temperature that is hot enough to kill harmful germs

A tray of eggs being hot held on a breakfast bar must maintain a minimum internal temperature of 70°- 75° C .So, to be considered safe, cook the egg to a minimum internal temperature of 160 - 167 degrees Fahrenheit.

Most foods, especially meat, poultry, fish and eggs, should be cooked thoroughly to kill most types of food poisoning bacteria. In general, food should be cooked to a minimum internal temperature of at least 70°-75 °C or hotter.

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