I have heard that tomatoes were thought to be poisonous because they were prepared by cooking on a copper pan. Is this true and what compounds or chemicals are made that make it poisonous?

  • Heard where? What evidence do you have to back this up?
    – John
    Oct 31 '16 at 16:02
  • @JJosaur None, just here say Oct 31 '16 at 16:03
  • I'd change your question to "Does cooking tomatoes in copper generate any negative side-effects?"
    – John
    Oct 31 '16 at 16:07

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