The Culprit: A Chemical Reaction
That infamous green ring forms due to a reaction between two components found naturally in eggs: iron from the yolk and sulfur from the white. When eggs are overcooked, these elements combine to create a thin layer of iron sulfide on the surface of the yolk. While completely safe to eat, this compound gives the yolk its undesirable greenish hue. Overcooking also intensifies the sulfur smell often associated with boiled eggs, which can detract from their overall appeal.Continue reading…
