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canning question-- unsafe, or no?

post #1 of 4
5/23/09 at 7:21pm
Thread Starter 
If I made jam and forgot to get all the air bubbles out before processing, is this a safety issue? Is the jam okay? The jars did seal properly, but all the instructions say that you shouldn't have trapped air, but they don't say WHY. Is there a reason?
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post #2 of 4
5/23/09 at 7:28pm
If you processed it as per instructions, its fine. Air bubbles are only a 'nono', IMO, for astetichs & texture...
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post #3 of 4
5/23/09 at 8:13pm
Thread Starter 
Okay, I'm not going to worry about it, then. I googled around some, and it seems like the main problem with bubbles is you might not get a good seal, but this seal is terrific. So no worries.

I did have one jar that didn't seal-- some of the jam bubbled out a few minutes after I put it out to cool. I think this is because I left too little headspace. Does that sound right to you? We're just going to fridge that one and eat it this week.

I've always made freezer jam; I've never canned jam before. I've always done tomatoes and pickles, and they don't seem to be so fussy.
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post #4 of 4
5/24/09 at 3:42pm
Yeah, if anything boils out, I'd just assume you didn't have enough headspace... I typically try to leave 1/2 inch headspace vs the recommended 1/4 inch to avoid this, personally. And yeah, I'd just stick it in your fridge and eat that one first When I make jam/jelly if I have a little leftover (like 1/2 a jar or something), I just stick it in the fridge and don't bother to processes it at all
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Mothering › Forums › Health › Nutrition and Good Eating › canning question-- unsafe, or no?