Are there any preservatives in canned food?
32 years old
2018-06-24
The shelf life of canned foods is very long. I think preservatives are added to them. So are there any preservatives in canned foods?
1 Answer These messages are for reference only
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BY Ina Barton 2018-06-24The shelf life of canned food is very long. In fact, it mainly depends on vacuum sealing and strict sterilization. The common canned packaging on the market is completely sealed. The sterilized food is under vacuum to prevent the external pollution from causing bacteria to breed again. Most canned foods do not need to add preservatives at all. At the same time, canned foods often contain a lot of sugar or salt. Sugar and salt are good preservatives, which can help the canned food to a certain extent.7
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