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View Diary: Marine Life Series: Responsible Shrimp Buying (46 comments)

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  •  I put Gulf shrimp (3+ / 0-)
    Recommended by:
    Fabian, lgmcp, Mary Mike

    on my "off limits" list after Katrina, figuring all the toxins that washed into the bay as the water receded would have to end up in the shrimp.  Do you know if there's any testing to see if Gulf shrimp are safe to eat post-Katrina? (thanks in advance for any reply, I'm off to a meeting)

      •  Here's the gist of it (2+ / 0-)
        Recommended by:
        CalifSherry, el dorado gal

        Analyses have been completed on white shrimp (Penaeusover the winter of 2005-6 this exposure ceased setiferus) sampled from nearshore areas of the northern Gulf of Mexico over a period of seven months following Hurricane Katrina. Levels of persistent organic pollutants (POPs; e.g., PCBs and DDTs) and polycyclic aromatic compounds (PACs; e.g., naphthalene, phenanthrene, benzo[a]pyrene) in all samples were consistently below levels associated with substantive human health concerns. Although distinct increases in low molecular weight PACs (LMWACs) were found during the first six weeks following Katrina, by April 2006 these increased levels had diminished to approximately the same low levels seen immediately following the hurricane. Overall, the results suggest that there was short-term exposure of white shrimp to low levels of oil or other petroleum-derived products in the area affected by Hurricane Katrina, but that .

        Per my other question below, I wonder what about heavy metals?  

        "The extinction of the human race will come from its inability to EMOTIONALLY comprehend the exponential function." -- Edward Teller

        by lgmcp on Fri Jan 26, 2007 at 08:39:22 AM PST

        [ Parent ]

    •  Shellfish are delicious (1+ / 0-)
      Recommended by:
      el dorado gal

      but I have long worried about the fact they are bottom feeders in shallow waters - the perfect setup, it seems to me, for ingesting lots and lots of heavy metals, pesticide residues, and other assorted toxins.  

      Katrina damage aside, any good sources on the relative measurements of such toxins in shrimp vis-a-vis other seafoods?

      "The extinction of the human race will come from its inability to EMOTIONALLY comprehend the exponential function." -- Edward Teller

      by lgmcp on Fri Jan 26, 2007 at 08:36:11 AM PST

      [ Parent ]

      •  I think (3+ / 0-)
        Recommended by:
        ybruti, Fabian, lgmcp

        one thing going for shrimp in this case is that they are primarily scavengers, not filter feeders. So they do not concentrate toxins as efficiently. Also, most shrimp fishing is done off shore rather than in estuaries, which tend to concentrate more heavy metals in the sand and mud.

        •  Thanks, that cheers me up a bit! (1+ / 0-)
          Recommended by:
          Fabian

          So actually molluscs, as filter feeders, would be more logical targets re this concern.  

          "The extinction of the human race will come from its inability to EMOTIONALLY comprehend the exponential function." -- Edward Teller

          by lgmcp on Fri Jan 26, 2007 at 08:49:53 AM PST

          [ Parent ]

    •  I honestly (1+ / 0-)
      Recommended by:
      Fabian

      was concerned that the shrimp had not consumed heavy metals, but human beings. So I didn't eat Gulf Shrimp for a few months.

      Did the same with Indonesian Tuna after the tsunami...

      it sounds gruesome but it is what it is.

      RealClimate.org- READ IT

      by terrypinder on Fri Jan 26, 2007 at 09:00:06 AM PST

      [ Parent ]

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