dioxide that hasn’t yet escaped through the shell. It isn’t automatically a sign that the egg has gone bad.
As an egg ages, the white generally becomes clearer and thinner.
Again, appearance alone isn’t a perfect food-safety test.
When Should You Throw an Egg Away?
While a chalaza is normal, other warning signs deserve attention.
Don’t use an egg if the shell is badly cracked or contaminated, or if the egg has an obviously abnormal odor or appearance after
cracking.
Proper refrigeration and handling are also important.
When in doubt
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