I hardboiled a couple of eggs today. After I cooked them I peeled them and set them aside; after they had been resting for a minute or so a green "veiny" looking patch appeared on the outside of one of them. I threw it away, having no idea WTF it was, but can someone explain it? Was it safe to eat? They were fresh, smelled fine and the other egg from the same carton didn't have any discolouration.
asked byOlivia (7540)
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on September 29, 2011
at 02:21 AM
The egg white contains sulfur and the egg yolk contains iron and when an egg is cooked at a high temp, the two can combine to form ferrous sulfide, which is usually a green ring that shows up in the yolk in an over cooked hard boiled egg. Never heard of it showing up in the egg white but that's my best guess.