Canned production line teaches you: the secret of canned shelf life

Many people have scruples when they eat canned food, thinking that it contains preservatives, so whether canned food added preservatives?

This problem can be said to be our misunderstanding, so now, I will give us a specific introduction.

Canned can also be called a jar of Tibetan food, he is the use of vacuum technology, the fresh fruit after harvest, processed into canned fruit within 12 hours of arrival workshop internal moment of pure processing and canning is 45 minutes, canned quality was able to 24 months, the main reason is still the vacuum sealing, this procedure will be raw fruit pasteurized is after sterilization pot into cans, In canning process will be left in the air in the canned all away, to suspend the fruit internal chemical change, make the canned in vacuum condition, we can see that the new buy canned are floating in the above, this because in the canned insisted that the vacuum phenomenon, just like astronauts in space state of suspension is the same.

So the cans can reach a shelf life of 24 months without adding any preservatives. The shelf life of canned food in China is 24 months, the law of Japan is 36 months, and the law of Germany is 48 months