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I have found info on canned tuna containing Mercury, but not about how much Mercury is there in the water/oil in which it's canned, so if someone can point to studies/actual data measuring this, please point to it. In absence of data, informed guessings are welcome, like what % of the Hg in the tuna could be expected to leak to the water/oil, and if this % would keep increasing [guessing numbers if possible, like eg 'each year in the can, the water could get 3% of the tuna Hg, in oil it would be 2%'. I find extrange that no one seems to have measured this

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    Informed guesses are not welcome. Answers must provide supporting evidence for their claims.
    – Carey Gregory
    Mar 15 at 14:30
  • The limit amount is set by political bodies like FDA ( in US) ; it has nothing to do with actual mercury in the product - other than it is lower than the legal limit. Mar 15 at 20:24
  • Question is not so much about ' limit amount is set by political '..., but about actual test, data informing Hg in the water/oil vs the actual tuna. I want to know if it would be worth to discard the water/oil to diminish the Hg intake somewhat, or if the Hg is found only in the actual tuna. Sep 4 at 21:18
  • Check "Toxic Elements in Food: Occurrence, Binding, and Reduction Approaches" Request at: researchgate.net/publication/…
    – Armand
    Sep 5 at 5:18
  • Check "Effects of canning on total mercury, protein, lipid, and moisture content in troll-caught albacore tuna (Thunnus alalunga)" Request at: researchgate.net/publication/…
    – Armand
    Sep 5 at 5:18

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