temperature is a key factor of bacterial reproduction and an important link of food safety. Many safety incidents caused by bacteria breeding and food deterioration are caused by improper storage temperature. Victoria, Australia, the Ministry of Health warned to avoid food storage at 6 ℃ – 60 ℃, because this temperature range is most suitable for bacterial reproduction, resulting in food deterioration.

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the Ministry of health of Victoria, Australia, said that food should be stored according to its type. Hot food, such as roast chicken, stew, hot soup, should be stored above 60 ℃. Therefore, when you buy hot cooked food such as braised beef and roast chicken in the supermarket, you should put them into the shopping cart at last, so as to ensure that the hot food can be brought home at the temperature of 60 ℃. Frozen meat, frozen fish and other frozen foods need to be stored below – 15 ℃. And if you just buy home from the supermarket, such a short time of preservation, only need to be stored below 5 ℃. Therefore, frozen food also needs to be put into the shopping cart finally. In the hot season to go shopping in the supermarket, it is best to prepare a heat insulation bag or ice bag in the shopping bag.

as for cold food, such as milk, yogurt, cut fruit, salad, etc., need to be stored below 5 ℃. Always use thermometer to measure the refrigerator’s freezer to see if the temperature has reached below 5 ℃, and timely adjust the temperature or repair the refrigerator. The safest way to store hot dishes at home is to put them in the refrigerator while they are hot. However, this method is not environmentally friendly. It is recommended that leftovers should be avoided as much as possible. How long can

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be stored at “dangerous temperatures”? If the food has not been stored for more than 2 hours at dangerous temperatures, it can be eaten as soon as possible. And if it’s more than four hours, it’s all lost. ▲

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