Canned production need to pay attention to what

Canned food is to meet the requirements of raw materials through processing, deployment, canning, sealing, sterilization, cooling, or aseptic filling, to meet the commercial aseptic requirements, at room temperature to long-term preservation of food, canned food production has two Key features: Sealing and sterilization.
The market has rumors that canned food using preservatives to achieve long-term storage effect, in fact, canned food sealed packaging, strict sterilization process, to achieve commercial sterility, can make the sterile food in a vacuum state, blocking the outside world Pollution into, to prevent the breeding of bacteria and so on, in the normal temperature conditions will not deteriorate. Therefore, canned food simply do not need to add preservatives!
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