With the improvement of people's living standards, the refrigerator has become an indispensable necessity in people's daily life. It not only has the function of freezing, but also has the functions of refrigeration and preservation. However, due to the storage of various foods in the refrigerator, odor and bacterial cross-infection may occur in the refrigerator as the use time increases, especially in the refrigerator, because bacteria and bacteria can only inhibit their reproduction at low temperatures, at room temperature. It will restore its activity, and people will be prone to poisoning once they eat the infected food. At the same time, in the fresh-keeping room, various vegetables can easily release ripening gas in a low-temperature environment, especially in a closed environment, which will accelerate the ripening of the product, and the storage time will be shortened, failing to achieve the purpose of preservation. Therefore, as one of the most essential functions of the refrigerator, preservation should be the focus of the refrigerator market in the future. Nowadays, in the refrigerator sales area of home appliance stores, the preservation function has almost become the “standard” of the brands of various brands, “0 degree preservation”, “original ecological preservation”, “blackout preservation”, “original preservation”, “sterilization preservation” Many concepts such as “high humidity preservation”, “ice temperature preservation” and “photosynthetic preservation” make consumers look at it.
Microorganisms such as bacterial molds are the main cause of food spoilage and odor, which solves the problem of microbes affecting food, and solves the main problems of food preservation. Xiao Jianjun said: "If the microbes on the surface of food are killed, then the food will not be easily spoiled." In the case of fresh-keeping refrigerators, microorganisms on the surface of foods are treated by gaseous sterilization technology to preserve the food stored in the refrigerator.
High humidity preservation is a relatively well understood technology for consumers. When the water vapor pressure in the food is large, it is easy to run out of the food, so that the food is dried and deteriorated. When the water vapor pressure in the environment is equal to the water vapor pressure in the food, the food no longer loses water, thereby preserving the food.
Ice temperature preservation is to store food at the freezing point of food. The temperature has a significant effect on the microbial activity on the food and the action of the enzyme in the food. Therefore, the lower the temperature of the stored food, the better, but the frostbite of the food should be avoided. For this reason, for the food that cannot be frozen, it is close to its freezing point. The most ideal.
Photosynthesis preservation has an effect on vegetables and fruits. This is because vegetables and fruits are still alive after harvesting and can also be used for photosynthesis. "Light has a certain effect on the preservation of vegetables and fruits, but the effect is not obvious." Dr. Xiao Jianjun said.
Therefore, as one of the most essential functions of the refrigerator, preservation should be the focus of the refrigerator market in the future. In order to improve and improve the fresh-keeping function of the refrigerator, our company and Qingdao University of Science and Technology jointly developed and developed the fresh-keeping magic treasure, which not only solves the problem that the traditional refrigerator can not keep fresh, but also integrates antibacterial, deodorization, catalytic decomposition and ethylene removal. In one function, it has truly achieved the function of preserving freshness, and is mainly used in refrigerators, freezers, cold storages and air conditioners. The main functions of this product are as follows:
◆ Extend the vitamin C retention time of vegetables and fruits.
◆ Extend the moisture retention time of vegetables and fruits.
◆ Effectively prevent acidification of vegetables and fruits, because vitamin C air can effectively remove active acid in the refrigerator, thus prolonging the storage time of vegetables and fruits.
◆ Remove ethylene gas. The vitamin air filter can adsorb and decompose the ethylene gas that accelerates the aging of vegetables and fruits.
◆Do not use traditional cling film for vegetables and fruits. Because the fresh magic treasure can effectively prevent the acidification of vegetables and fruits, the reduction of nutrients, the reduction of water, and the removal of ethylene gas, which saves the trouble of using plastic wrap.
◆ Broad-spectrum antibacterial effect: It has strong antibacterial ability against Staphylococcus aureus and Escherichia coli.
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