Five technical indicators reveal the secret of refrigerator preservation
In recent years, the preservation technology of refrigerator products has become more and more mature. Which technical indicators will directly affect the preservation of fruits and vegetables? The following small series lists the five major indicators of refrigerator preservation:
Temperature index: Different foods need different storage temperatures. For example: milk, beer, juice, jam, the best storage temperature is 0 ° C - 5 ° C, so it is suitable for storage in the cold room; fish, meat, ice cream and other foods The storage temperature should be below -6 ° C, and it is most reasonable to store in the freezer.
Humidity index: Moisture is the source of fresh fruit and vegetables. Once the fruit and vegetables are short of water, they will be dried and withered. The refrigerator should be kept at 95% moisture, and the food can be truly watery.
Wind direction indicator: The refrigerator should adopt multi-faceted air supply to achieve 360° air supply, so that the temperature inside every corner of the refrigerator is more uniform, and the food will not deteriorate due to the high and low temperature, and the fresh air will be kept.
Gaseous indicator: Why can't the food in the refrigerator stay fresh forever? Ethylene gas released from fruits and vegetables is easy to promote cooked food. The oxygen content in the refrigerator is too large, which makes the food rot and deteriorate. Therefore, it is necessary to effectively absorb ethylene gas and properly adjust the composition of the air in order to make the fruit and vegetable fresh-keeping period longer.
Antibacterial index: If the antibacterial measures of the refrigerator are not well done, more than 10 kinds of harmful bacteria such as Escherichia coli, mold and Staphylococcus aureus will breed, multiply and erode the cytoplasm of the food in the refrigerator, not only making it completely lose nutrients, but also Infected with toxins. Therefore, the refrigerator must achieve a full range of three-dimensional antibacterial, beware of "illness from the mouth."
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