If you’ve ever cracked open an egg and noticed a white, string-like structure inside, you might have wondered if it’s safe to eat or if it means the egg is bad.
The good news: that white strand is completely normal and actually a sign of a fresh egg.
This article explains what it is, what it does, and whether you should remove it before cooking.
What Is the White String in an Egg?
The white string you see inside an egg is called the chalaza (pronounced kuh-LAY-zuh).
It is a natural, rope-like structure made of thickened egg white (albumen).
Its main job:
The chalaza holds the egg yolk in place, keeping it centered inside the egg.
Why Does It Exist?
Inside a chicken egg, the yolk is suspended in the middle of the egg white. The chalaza acts like a support system.
It:
- Keeps the yolk stable
- Prevents it from hitting the shell
- Helps protect the developing embryo (in fertilized eggs)
Think of it like a seatbelt for the yolk.
Is the White String Safe to Eat?
Yes—100% safe.
The chalaza is:
- Edible
- Natural
- Nutritious (same composition as egg white)
It does not mean the egg is bad or contaminated.
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