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Old 01-20-2014, 11:52 AM   #1
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Remove Packaging?

I buy frozen salmon and cod fillets at Costco in 3 lb bags. Each fillet/section is in its own vacuum sealed/packed plastic bag.
On each individual bag it is written to remove the packaging before thawing or cooking.
Why must I remove the fish from the bag to thaw it out?

I have been meaning to ask them at the store. But I doubt they know the answer. But I bet you guys do?
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Old 01-20-2014, 12:20 PM   #2
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I've noticed that as well. I always assumed it was so the fish isn't laying around in it's own slimey goop as it defrosts.
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Old 01-20-2014, 12:34 PM   #3
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Quote:
Originally Posted by Rocket_J_Dawg View Post
I've noticed that as well. I always assumed it was so the fish isn't laying around in it's own slimey goop as it defrosts.
I doubt they would care about that?
I am thawing out two sections of cod today. I am leaving them in the bag to thaw. Lets see if there is a valid reason?

Edit: I found these answers.

1) Because bacteria can develop during the thaw process, especially for seafood. When in an anaerobic (airless) environment, there is a chance of the formation of the bacteria Clostridium botulinum, also known as C-bot, a cause of food poisoning. By removing the packaging, you eliminate the risk of C-bot contamination. Just to be on the safe side, the FDA requires these guidelines for all vacuum-packed seafood.

2) A curious phenomenon with seafood. When it thaws in an anaerobic environment (vacuum packed), there is a chance it will develop Clostridium botulinum (aka: C-bot), a food poisoning. The chances are not great, but the FDA requires the warning on all vacuum-packed frozen seafood. The symptoms of C-bot are similar to botulism. C-bot is an anaerobic spore-former, and as such air kills it. Therefore take the frozen fish out of its vacuum pack and put it in a zip-lock with some air in it.
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Old 01-20-2014, 01:34 PM   #4
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Interesting information, RB. Logic would have told me that in order to avoid bacteria/contamination, the package should remain sealed. According to what you've found, the opposite is possible. I'll remember this for future reference. Although, I've been thawing our fish/seafood in the packaging, in the refrigerator, for years. Guess we've been lucky.
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Old 01-20-2014, 01:41 PM   #5
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Interesting info to be sure! Thanks!
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Old 01-20-2014, 01:59 PM   #6
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After finding more information, I removed the cod sections from the vacuum sealed bags. LOL....

And they are thawing on my counter, not in the fridge. I need them for this evening.
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Old 01-20-2014, 02:13 PM   #7
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I didn't know that. Good to know.
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Old 01-20-2014, 03:00 PM   #8
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Originally Posted by roadfix View Post
I didn't know that. Good to know.
If you buy them you cannot miss the warning on the package labeling.
It says to remove the packaging before thawing.

So , if you did not know, you would when you open the bag and took out the sections.
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Old 01-20-2014, 03:07 PM   #9
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Must be a new warning...I haven't seen it on my purchases from Costco.
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Old 01-20-2014, 06:25 PM   #10
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Quote:
Originally Posted by PrincessFiona60 View Post
Must be a new warning...I haven't seen it on my purchases from Costco.
Me either, or on similar fish packs from Trader Joe's.
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