What Is the White Strand in Eggs? A Simple Explanation

The chalaza can also tell you something about the egg’s freshness.

In fresher eggs, it appears thicker and more defined, while in older eggs it becomes faint and less noticeable. So spotting a firm, rope-like strand is usually a good sign. Nutritionally, the chalaza is made of the same proteins found in egg whites, meaning it is perfectly safe to eat.

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