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air bubbles in canned tomatoes: a problem?

Posted by farm_boy 6 (My Page) on
Mon, Jul 23, 12 at 18:52

I tried canning for the first time. I got confused and forgot one step: pressing out the air pockets. But the boiled quartered tomatoes were very liquid, so there aren't many air pockets, but I do see a few little ones. Apparently the seal is good: concave, and I can lift the jar by the lid.

There is a thin air pocket right under the lid anyway, so will a few extra little air pockets matter?


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RE: air bubbles in canned tomatoes: a problem?

If they sealed and if they were processed per the guidelines then they will be safe. The only concern, and the reason to avoid this mistake in the future, is that air left in the jars shortens the shelf life and increases the chance for seal loss and bacterial development down the line. So they will need to be used soon.

If it has been less than 24 hours since you canned them it would be best to reprocess them. Open the jars, reheat all contents, refill clean jars, get all the air out, new lids and reprocess.


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