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The FDA standards say that raw salmon should be frozen at -20C for seven days before it's safe to eat. My freezer goes down to -25C. Salmon in my supermarket is considerably cheaper if it's not frozen. Can I buy that salmon, freeze it at -20/-25 at home and eat it raw without significant risk, or am I missing some other requirements?

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    Can I please move to the place where raw salmon is cheaper than frozen salmon? Pretty please?
    – user141592
    Dec 14, 2018 at 20:21
  • @Johanna Madrid is open! Dec 14, 2018 at 20:58
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    This question is about smoked salmon, but freezing risks are discussed in many of the answers. This one also talks about freezing but is a little less definitive. (I don't know if either one is really a duplicate, though.)
    – Erica
    Dec 14, 2018 at 23:58

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If the salmon is cheaper "raw" than frozen, it's probably a product that was frozen and then thawed so subsequently refreezing it will have the opposite effect of what you're trying to accomplish as thawed products must be cooked before being refrozen to ensure bacteria introduced during the thawing process are eliminated.

That being said: we cannot give you good advice without actually holding the salmon and feeling and smelling to ascertain it is not a thawed product. You should ask the supermarket's HQ if refreezing that product would be safe as the local people will probably not know...

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  • Well, the salmon is farmed salmon from Norway and I'm in Spain, so I think it's safe to assume it's frozen and thawed. But I don't see how it follows from that that freezing would have the opposite effect. Dec 15, 2018 at 11:35
  • Editing answer to clarify
    – Fabby
    Dec 15, 2018 at 12:10
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    "subsequently refreezing it will have the opposite effect of what you're trying to accomplish as thawed products must be cooked before being refrozen" - this is incorrect, refreezing is considered safe. Also, freezing salmon has nothing to do with bacteria, it only protects from parasites.
    – rumtscho
    Dec 16, 2018 at 12:43
  • @rumtscho thanks for the feed-back. What is your opinion? Delete answer?
    – Fabby
    Dec 16, 2018 at 13:32

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