What Does the Green Circle Around the Eggs Mean?

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Introduction

Eggs are a beloved food all around the world. Nutritious, rich in protein, and naturally sugar-free, they fit perfectly into any diet—whether you enjoy them for breakfast, lunch, or as a quick snack.

Hard-boiled eggs are especially popular because they’re simple to prepare and easy to take on the go. However, if you’ve ever noticed a green ring around the yolk, you might have wondered if your eggs were spoiled.

The good news? The green ring is harmless—and easily avoidable.

Why Do Hard-Boiled Eggs Get a Green Ring?

The greenish-gray ring around the yolk forms due to a chemical reaction between:

Iron in the egg yolk

Hydrogen sulfide in the egg white

This reaction happens when eggs are cooked too long or at too high a temperature.

While the discoloration looks unappetizing, it does not mean the egg is unsafe or spoiled.

Older eggs are more prone to developing this ring, but even fresh eggs can get it if overcooked.

 

How to Cook Perfect Hard-Boiled Eggs Without a Green Ring

 

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