Many people in the summer have such a habit of taking cold drinks, fruits, salads, etc. directly from the refrigerator, and others stuffing the refrigerators and making them a food 'storage cabinet'. Public nutritionist Wang Xin Tip, some bacteria can survive at low temperatures, known as the 'fridge killer'. Use the refrigerator in summer, be sure to store the food correctly.
Refrigerator storage is not sterile
The temperature of household refrigerators is generally between -18 ° C and 10 ° C. Although it can inhibit the survival of most bacteria, such an environment is a hotbed of psychrophilic bacteria. These psychrophilic bacteria can adhere to food and survive, once the temperature is right, Will multiply. Eating foods that carry these pathogenic bacteria, the body is prone to various symptoms.
For example, Listeria monocytogenes, known as the 'fridge killer', is widely found in nature. It is cold-cold and freeze-resistant. It can survive at -20 °C for one year and grows and grows at 4 °C. It will be killed very quickly at 60 ° C. Most people infected with Listeria monocytogenes will only have mild symptoms such as vomiting and diarrhea. But for some people with weak immune system, such as pregnant women, newborns, the elderly, The lethality may be fatal, although the incidence is low and the mortality rate is high.
There is also a Yersinia, which causes enterocolitis, which causes abdominal pain, diarrhea, fever, and can cause sepsis. Even the most common E. coli we hear, the temperature of the refrigerator can only be suppressed. It is not killing. Once the food is contaminated in the refrigerator, the bacteria will multiply at room temperature, and the food will accelerate deterioration.
Clean the refrigerator in a timely manner
It is the key to using the refrigerator in the summer. It is recommended to clean the refrigerator every half month to one month. The drip tank inside the refrigerator, the partition tank, the sealing strip, the rear wall of the refrigerator, the corner, the refrigerator on the refrigerator door It is the key cleaning object. Before each cleaning, first cut off the electricity, empty the food, you can thoroughly clean it with baking soda or detergent, and then put the food back after the internal air drying. Note that the food freeze time is too long, it will also breed a lot. Psychrophilic bacteria.
Store food to pay attention to these problems
Some citizens put fruits and vegetables and eggs in front of the refrigerator, and habitually cleaned them first. In fact, the surface of fruits and vegetables has a protective film that prevents bacteria from invading the inside. Once the protective film is washed away, it will accelerate the deterioration of the food. When food, it should follow the principle of separation of raw and cooked, cold and hot. Store the food not too full, too full will affect the cooling of the bacteria, 70% full. The food in the freezer can not be frozen again after thawing.