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Old 01-22-2010, 09:31 PM
horatioo horatioo is offline
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Default can you leave can goods outside or does freezing hurt them?



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Can I leave canned goods out where they will freeze and still use them? Can I leave cans of mushroom soup in my trunk? How about stuff with water, like cans of corn?

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Old 01-22-2010, 09:36 PM
kyle1337 kyle1337 is offline
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It should be okay to freeze, but it has to remain frozen then you use it, if it freezes then thaws, much like meat it will go bad, but I wouldnt freeze canned items to begin with, their okay at room temp.
Old 01-22-2010, 09:37 PM
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Canned goods generally have liquid in them. Liquid expands when frozen, possibly ruptering the cans. Many of the things in a can would be fruits and vegetables,and repeated freezing/thawing will cause the liquid-filled cell walls in these to burst, turning them into near-mush.
Short answer ? NO,not if you can help it.
Old 01-22-2010, 09:43 PM
horatioo horatioo is offline
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a similar question. Can I leave water in a 55 gallon drum outside or will freezing rupture the can?
Old 01-22-2010, 09:44 PM
kyle1337 kyle1337 is offline
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It will freeze and rupture, I've had to repair all my rain catchers this year 40 gallon rain catchers and they froze despite no top they all cracked and leaked all the water out when it thawed.
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Old 01-22-2010, 10:52 PM
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If possible I would not let canned food freeze.

But over the past ten plus years I have had much canned food freeze. Especially when I left a couple cases of canned food on my mtn retreat for the winter. It was mostly canned stew and spaghetti, nothing with much water in it. But when I opened the canned food the next year it looked freeze dried inside. I just added water and boiled the food some.

I did not get sick and the frozen canned food did not taste bad.

Some canned food that I had for five years or more had bulged after being frozen several times so I did not eat that.
Old 01-22-2010, 11:03 PM
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Quote:
Originally Posted by horatioo View Post
Can I leave canned goods out where they will freeze and still use them? Can I leave cans of mushroom soup in my trunk? How about stuff with water, like cans of corn?

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You risk near-undetectable leakage if they freeze-then-thaw. Botulism is an incurable b!tch.

Also, you do not want canned goods to freeze, because they will go all soggy in consistency. You should keep them cool to slow chemical decomposition (which will happen over time, even without bacteria and fungi), but do not freeze them
Old 01-23-2010, 12:12 AM
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Freezing can effect the integrity of the can's seal. This could lead to botulism growing in the can without you knowing it. It's something to avoid.
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