Finding unusual purple or reddish spots on thawed chicken can be surprising. Before assuming the meat has spoiled, it’s helpful to understand what may cause these color changes and how to recognize signs that chicken is no longer safe to eat.
Why Purple Spots Can Appear
In many cases, purple patches on thawed chicken are the result of natural changes that occur during freezing and thawing.
One common cause is bone marrow pigment. During the freezing process, tiny ice crystals can affect the bone, allowing pigments from the marrow to seep into nearby meat as the chicken thaws. This is especially common in younger chickens, whose bones are more porous.
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