Why do canned goods take such a long time to expire?

Question

Like how can you eat meat and fish years after production?

In: 388

Answer 1

Canning process kills germs by heating them up then the cans are sealed airtight to prevent introduction of new germs or organisms as well as to remove all oxygen to prevent oxidation which is another way food goes off, and since the cans are solid and can’t be seen through your don’t have to worry about UV rays impacting the food.