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Shenzhen Cian Electronics Co.,Ltd

Address: B Building, Weixin Industrial Park, ShiTouShan Industrial Zone, ShiYan Town, Baoan District, Shenzhen City, China

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Telecommunication Electronics Inducer Cut-off

Telecommunication Electronics Inducer Cut-off

Telecommunication Electronics Inducer Cut-off Many people regard the refrigerator as a “food sterilizer” at home, and think that the food stored in the refrigerator is hygienic. In fact, the refrigerator does not clean often because it stores food for a long time, and it breeds many bacteria....

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Telecommunication Electronics Inducer Cut-off



Many people regard the refrigerator as a “food sterilizer” at home, and think that the food stored in the refrigerator is hygienic. In fact, the refrigerator does not clean often because it stores food for a long time, and it breeds many bacteria.
Dr. Mike Conan Doyle, director of the Center for Food Safety at the University of Georgia, suggests that although the food in the refrigerator looks fresh, it has actually deteriorated. The storage time of cooked meat in the refrigerator should not exceed 4 days.
The common refrigerating temperature for storing food in the refrigerator is 4 to 8°C. In this environment, most bacteria grow at a slow speed. However, some bacteria are psychrophilic, such as Yersinia, Listeria, etc. At this temperature, they can rapidly grow and multiply. If foods that are infected with this kind of bacteria are eaten, they will cause intestinal diseases.
In the freezer of a refrigerator, the temperature is generally around minus 18 degrees Celsius. At this temperature, bacteria are generally suppressed or killed. Therefore, there is a better preservation effect of foods stored inside. However, freezing does not mean that it can be completely sterilized, and some bacteria with strong antifreeze ability will survive. For example: Mycobacterium tuberculosis, typhoid bacillus, etc., put the tubercle bacillus and typhoid bacillus in liquid air at minus 193°C and liquid hydrogen gas at minus 250°C, and they will not freeze. Therefore, some people have said that TB bacillus and typhoid bacillus are "frozen dead bacteria." Most microorganisms have a strong resistance to low temperatures. Therefore, although frozen foods can be preserved for a longer period of time, the food microbes do not die. Once the temperature rises, they will continue to grow and reproduce. Therefore, foods stored in the refrigerator must be returned to the pan before consumption, otherwise they will also cause intestinal infectious diseases and even food poisoning.
So from another perspective, if the refrigerator is not sterilized regularly, it will become a “hotbed” for some bacteria.
The storage time of any food in the refrigerator should not be too long. It is best to buy it with food. Because the storage time is too long, it will not only affect the taste of the food, but also cause odors. There are also some fruits, such as bananas, apples, etc. If they are put for a long time, they are easily degenerate. Once they are degraded, they will emit a harmful gas.
Do not store too much food in the refrigerator. This will cause the outside temperature of the food to be low and the internal temperature to be high to cause deterioration.
It is suitable for storing foods with strong antibacterial properties, such as open pickles, jams, sesame, sour foods, and seasonings. Most of them can be stored for 2 months. Since the refrigerator door is always open, warm air will enter, so it is not suitable to store easily deteriorating foods, such as opened hot meat, milk and so on.
Suitable for storing hot meat, bacon, yogurt and hard cheese. Unopened meat should be consumed before the shelf life. Once opened, hot meat can only be preserved for 3 to 5 days; bacon and hard cheese can be stored for 3 weeks.
Refrigerator lower compartment: Stores foods that require rapid heating, such as leftovers, cooked eggs, and fish. In addition, non-leafed vegetables and fruits that are easily frostbite are also best stored here. Cooked eggs can be stored for 7 days: it is best not to leave more than 3 days leftovers, leftovers is best not to stay overnight (leaf vegetables are best to eat once, do not leave), but feel abnormal, it is best to throw away; fresh Fish can only be refrigerated in the refrigerator for 1 day. Cooked fish should not exceed 3-4 days.
Located in the bottom of the cold room, the maximum humidity, more suitable for storing vegetables, such as green leafy vegetables, peppers and broccoli. This type of food can be stored for up to 1 week.


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