Tag: Green yolk

While cooking improves protein digestibility by up to 40%, excessively long or high-heat cooking can diminish other nutrients like vitamins A and D. So, are overcooked eggs unhealthy beyond a slight nutritional dip, or is the texture the biggest concern?

According to food scientists, the greenish-gray ring that can form around the yolk of a hard-boiled egg is a harmless chemical reaction, not a sign of spoilage. This visual cue and slightly rubbery texture often lead people to wonder: is it bad to eat an overcooked egg?