Hardboiled egg turned green?

chickenenthusiasts5698 said:

Was the egg white green or just the yolk?

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Peepsi said:

If the egg white itself is green, I personally wouldn't trust it. If the yolk is green, that *usually* means it was over-cooked.

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gtaus said:

This was perhaps the smallest egg in the batch, and I was boiling the eggs for 15 minutes because I was going to pickle them in pickled beet juice. I wanted the eggs very hard boiled. Dear Wife usually hard boils eggs for only 9 minutes, but the yolk is still soft and does not pickle as well. But maybe 15 minutes was too long, at least for that small egg?

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Peepsi said:

Yep, if there was only green in the yolk, sounds like it was over-boiled, probably for the reason you said...it was small and got over-boiled.

EDIT: But an over-boiled egg is still safe to eat. It's just not *as* yummy as a perfectly-boiled egg...at least not to me (but still good!).

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gtaus said:

I hardboiled a batch of 18 eggs the other night. One of the smaller, brown, eggs was green when I peeled it! I have not seen that before and did not eat it, thinking something must have been wrong with the egg. I am trying to figue out why this one egg turned green.

Is it possible that the egg was overcooked and that caused it to turn green?

Is it possible that the small egg was maybe frozen from the nest box, but not yet cracked, and that turned the white of the egg off color?

The egg was maybe only a week or two old, on the countertop, unrefrigerated, but would that turn the color of the egg from white to green after hard boiling it?

I am not panicking or anything like that, out of 18 eggs I hardboiled, only 1 was off color. Thanks for any comments.

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