How cans are made

Canned food refers to food that meets the requirements of commercial sterility and can be stored for a long time at room temperature through processing, blending, canning, sealing, sterilization, cooling, or aseptic filling of raw materials that meet the requirements. There are two major methods of canned food production. Key Features: Sealing and Sterilization.
There are rumors in the market that canned food uses vacuum packaging or adds preservatives to achieve long-term storage. In fact, canned food is first sealed and packaged instead of vacuum, and then undergoes a strict sterilization process to achieve commercial sterility. Canned food is essentially It is impossible to use vacuum technology to prevent the reproduction of bacteria, and strictly speaking, there is no need to add preservatives.