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The amount of time a potentially hazardous food is held within the temperature danger zone should kept as short as possible.
Hot food must be above the temperature of 135°F or above63°C. Hot holding temperatures may vary according to locality. Check with your local health authorities
Hot food must be held at a minimum temperature of 135°F (57°C) to prevent the growth of pathogens. Keeping food at this temperature or above helps to reduce the risk of bacterial growth and foodborne illnesses.
Most produce and all animal products must be stored at such a temperature. The low temperature helps with preventing or hindering of bacterial growth. The food will as a result take longer to spoil.
The temperature must remain constant.
So as not to upset/shock the body temperature of the person who is on dialysis.
Potentially hazardous food really shouldn't be cooked in the microwave. However, the internal temperature of the food must reala minimum of 165 degrees fahrenheit.
the temperature must be kept constant
Museum artifacts are kept in perfect condition by following strict guidelines. The artifacts must be kept at a certain temperature, the light must be perfect, and the artifacts must be kept away from humans.
You need to keep it at 180 degrees f. or above. Food safety standars are that Hot foods can be held at or above 140 degrees f. for no more than 4 hours. cold foods must be kept at or below 40 degrees f. keep in mind that these are holding temperatures only and food should be cooked to the appropriate temperature for that specific food.
Most enzymes only function properly within a specific temperature and pH range. If those conditions are not maintained, the enzymes can become denatured, preventing metabolic reactions from taking place.