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.
minimum temp for any hot food is 140F. reheat or microwave must be 165F for 15sec. Pork and beef must be 155F for 15sec. for more details Google food safety or servsafe. Every restaurant must have someone working there that knows all these numbers. It shouldn't be hard to find on the internet or a book store and anyone from the health and safety organisation will tell you the same
According to the USFDA 2009 Food Code, hot food should be held at 135°F (57°C) or above. Make it too high and the food will dry out or become less palatable.
Hot food must be kept at 74°C or 140°F.
135F
Hot food should be held at 140 °F or warmer.
Soup held at 154 F (68C)
every 2 hours
Food should be hot held at 135 F for no more than 4 hours. Food should be reheated to 165 F for at least 15 seconds before the 4 hour point is reached.
The minimum temperature for transporting hot foods is 135 degrees Fahrenheit. Temperatures should be checked regularly.
Cold food should be served at or below 41 hot food should be at or above 135
A hot one
Hot food can change the body temperature, which is normal.
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.
70 - 75 degrees celcious
Generally, potentially hazardous foods should be stores at 40°F or below. Vacuum-packaged foods that require refrigeration should be stored at 38°F or below, due to concerns about Clostridium botulinum.
Hot foods should be held at a temperature of at least 140 degrees F. Cold foods (salads, sandwich spreads, dairy and mayo based) should be held at 40 degrees F or lower.