The commercial sterility of canned production line after moderate thermal sterilization has a certain vacuum degree.
Canned food production line is a variety of sealed container packaging, canned production line after moderate heat sterilization to achieve commercial sterile, can be preserved for a long time at room temperature canned food. Chongqing canning production line is made by processing, sorting, dressing, cooking (or not cooking), canning (including tin cans, glass cans, composite film bags or other packaging materials containers), sealing, sterilization and cooling the materials that meet the requirements. The canning production line has a certain vacuum degree.
Nowadays canning processing industry and canning production line have made great progress, and the extension and connotation of canning production line are also expanding and improving. According to the definition of Zhang Xueyuan, China's famous food expert and former Ministry of Light Industry, canned food of canned production line is a kind of food that can be preserved in accordance with the principle of sealing and sterilization, and meet the requirements of commercial sterility. Chongqing canned production line does not need or allow to add any preservatives. Therefore, it should be further clarified that the canned food production line should be regarded as canned food if the food has been sealed and sterilized or sterilized and sealed (i.e. aseptic packaging) to achieve commercial sterility, and the canned food production line can be preserved for a long time at room temperature. It should not be limited to the scope of traditional artificial canned food. With the expansion of packaging materials and forms, tin cans, glass cans, aluminum alloy cans are used in the canning production line, such as soft cans made of aluminum plastic composite packaging materials and aseptic large packaging; Tetra Pak bags, such as fruit juices, vegetable juices, jellies, sauces, protein drinks and so on, made by sterilization and packaging in canning production line; All kinds of ham sausage made from plastic casing and heat-resistant and sterilized plastic cans should be regarded as canned food.
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