Eating fresh yellowfin raw

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  • Sly
    Let's do some business!
    • Sep 2004
    • 31375

    #1

    Eating fresh yellowfin raw

    First let me start out by saying that when I cook a tuna steak, I go for a very pure flavor, as I absolutely love the taste of tuna. Usually a very quick sear on each side with a little salt and olive oil and nothing more. Always a lot of pink.

    Over Christmas I got some yellowfin tuna straight off of a fisherman's boat. It's absolutely beautiful. Bright pink. I vacuum packed it for later use.

    Yesterday I took out one of the steaks to defrost. As I am looking at this gorgeous chunk of fish, all I can think of is eating it raw. I was feeling under the weather as is so decided this wasn't the time to experiment, but now I would like to know for the next time I take one out.

    Is it okay to eat raw? What is different about sushi grade tuna?
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  • cthulhu_waves
    Confirmed User
    • Mar 2007
    • 1966

    #2
    Tuna along with swordfish harbor nasty parasitic worms that can run as long as a couple of meters and live in your gut, even slowly eat your liver. If you must eat them, marinade them in wasabi and maybe the parasite eggs will be killed.
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    • L-Pink
      working on my tan
      • Mar 2005
      • 39151

      #3
      Originally posted by cthulhu_waves
      Tuna along with swordfish harbor nasty parasitic worms that can run as long as a couple of meters and live in your gut, even slowly eat your liver. If you must eat them, marinade them in wasabi and maybe the parasite eggs will be killed.
      Well that was an uplifting post ?

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      • Sly
        Let's do some business!
        • Sep 2004
        • 31375

        #4
        http://en.wikipedia.org/wiki/Yellowfin_tuna#Cuisine

        Do we all have worms in our belly?
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        • Dirty F
          Too lazy to set a custom title
          • Jul 2001
          • 59204

          #5
          It was frozen. Doesn't that kill any parasites it might have?
          Normally eating fish raw shouldn't be a problem as long as it's fresh or quickly frozen when it was still fresh.

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          • Dirty F
            Too lazy to set a custom title
            • Jul 2001
            • 59204

            #6
            I'm making raw tuna tomorrow actually

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            • Sly
              Let's do some business!
              • Sep 2004
              • 31375

              #7
              Originally posted by Dirty F
              It was frozen. Doesn't that kill any parasites it might have?
              Normally eating fish raw shouldn't be a problem as long as it's fresh or quickly frozen when it was still fresh.
              Freezing doesn't kill, it only forces them to hibernate. You need heat to kill.
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              • Dirty F
                Too lazy to set a custom title
                • Jul 2001
                • 59204

                #8
                Originally posted by Sly
                Freezing doesn't kill, it only forces them to hibernate. You need heat to kill.
                "I'm not sure about the restaurants' avoidance of frozen fish. There have been articles in the past couple of years about how much of the tuna and salmon served as sushi and sashimi is frozen to a very low temp, in part to kill parasites or bacteria. "

                "That's right! In US all fish served raw (like for sushi) has to be previously frozen in order to ensure that all parasites are dead. The only exception is tuna. You can serve raw tuna that wasn't frozen because it's not prone to parasites. But that's sushi. When it comes to fish used for cooking, I've never seen previously frozen fin fish in upscale restaurants. Shellfish is another story. It's almost impossible to get fresh shrimp in US anymore, so most of the shrimp is previously frozen. Of course, this comes from my very limited experience on working in a restaurant in Boston, and I am not sure if this would be the case everywhere. But considering that half of the fish sold fresh in Boston is from the west coast, I don't see why they can't ship it to inland states as easily as from coast to coast."

                http://www.beyondsalmon.com/2005/12/...ly-frozen.html

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                • Dirty F
                  Too lazy to set a custom title
                  • Jul 2001
                  • 59204

                  #9
                  You should know i'm always right.

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                  • Sly
                    Let's do some business!
                    • Sep 2004
                    • 31375

                    #10
                    Originally posted by Dirty F
                    You should know i'm always right.
                    You should know, I'm always right.

                    http://www.fsis.usda.gov/FACTSheets/...zing/index.asp

                    Does Freezing Destroy Bacteria & Parasites?
                    Freezing to 0 °F inactivates any microbes ? bacteria, yeasts and molds ? present in food. Once thawed, however, these microbes can again become active, multiplying under the right conditions to levels that can lead to foodborne illness. Since they will then grow at about the same rate as microorganisms on fresh food, you must handle thawed items as you would any perishable food.
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                    • TheSquealer
                      Mayor of Thneedville
                      • Oct 2004
                      • 26172

                      #11
                      Originally posted by Sly
                      Freezing doesn't kill, it only forces them to hibernate. You need heat to kill.
                      Most fish have various forms of parasitic worms that can be passed to humans including very common fish like cod, salmon and halibut. When they are flash frozen to a temp of -Whataver, they are killed. There is no such thing as fresh salmon or tuna served raw in restaurants or stores. That fish has been frozen.

                      And your article states "freezing to -0" - clearly referencing home production/storage. Below that, it says below -0 kills parasites. Seafood processors flash freeze whole fish, steaks, filets etc at a temp of something like -40 / -50.
                      Last edited by TheSquealer; 12-30-2012, 09:46 AM.
                      .
                      Yes, fewer illegal immigrants working equates to more job opportunities for American citizens.

                      Rochard

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                      • Dirty F
                        Too lazy to set a custom title
                        • Jul 2001
                        • 59204

                        #12
                        Originally posted by TheSquealer
                        Most fish have various forms of parasitic worms that can be passed to humans including very common fish like cod, salmon and halibut. When they are flash frozen to a temp of -Whataver, they are killed. There is no such thing as fresh salmon or tuna served raw in restaurants or stores. That fish has been frozen.

                        And your article states "freezing to -0" - clearly referencing home production/storage. Below that, it says below -0 kills parasites. Seafood processors flash freeze whole fish, steaks, filets etc at a temp of something like -40 / -50.
                        Exactly.
                        Sly, just accept that i'm always right.

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                        • Sly
                          Let's do some business!
                          • Sep 2004
                          • 31375

                          #13
                          Originally posted by TheSquealer
                          Most fish have various forms of parasitic worms that can be passed to humans including very common fish like cod, salmon and halibut. When they are flash frozen to a temp of -Whataver, they are killed. There is no such thing as fresh salmon or tuna served raw in restaurants or stores. That fish has been frozen.

                          And your article states "freezing to -0" - clearly referencing home production/storage. Below that, it says below -0 kills parasites. Seafood processors flash freeze whole fish, steaks, filets etc at a temp of something like -40 / -50.
                          How do I flash freeze the fish I just bought?
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                          • Sly
                            Let's do some business!
                            • Sep 2004
                            • 31375

                            #14
                            By the way, it also says home freezing cannot be relied on to destroy bacteria.

                            You guys have an industrial fish freezing operation in your kitchen? That's impressive, but I don't.
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                            • baddog
                              So Fucking Banned
                              • Apr 2001
                              • 107089

                              #15
                              What does not kill you only makes you stronger.

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