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And visually, it may be difficult for an ordinary shopper to distinguish this type of muscle discoloration from other causes of abnormal color.
That’s why the smell, texture, storage history, packaging condition, and overall appearance all matter.
There are also other reasons chicken can appear darker, purple, yellow, or slightly different in color.
Bruising can occur during handling.
Blood vessels can leave darker areas.
Freezing and thawing can affect the appearance and texture.
Differences in muscle composition can produce variations in color.
And spoilage caused by microbial growth can produce unpleasant odors, slime, discoloration, or other changes.
You should therefore be cautious about anyone who claims that a particular color automatically proves one specific cause.
A photograph can provide clues, but it cannot reliably diagnose the condition of raw meat.
The safest approach is to treat unusual poultry with caution, especially when more than one warning sign is present.
For example, greenish discoloration by itself does not necessarily prove that the chicken is spoiled.
But greenish discoloration combined with a strong unpleasant odor is a very different situation from simply noticing a slightly darker section of muscle.
When food safety is uncertain, replacing one package of chicken is far cheaper than risking foodborne illness.
This is especially important when you’re preparing food for children, older adults, pregnant people, or anyone with a weakened immune system, because some groups are more vulnerable to serious complications from foodborne infections.
Another common mistake is trying to wash suspicious chicken under the faucet.
It might seem logical: if the meat smells strange or looks unusual, perhaps washing it will remove whatever is causing the problem.
Unfortunately, washing raw poultry can increase the risk of spreading bacteria around the kitchen through splashing water.
Instead, keep raw poultry contained, clean contaminated surfaces thoroughly, and wash your hands after handling it.
You should also avoid using the same cutting board or utensils for raw chicken and foods that will be eaten without cooking unless they have been properly washed and sanitized between uses.
And remember that smell isn’t a perfect safety test either.
Some dangerous bacteria do not necessarily make food smell bad.
So the absence of an unpleasant odor doesn’t guarantee that raw chicken is safe.
That’s why proper refrigeration, handling, cooking, and storage are so important.
Raw chicken should be kept refrigerated promptly after purchase, and it should be cooked thoroughly using a food thermometer rather than relying only on its appearance.
The center of poultry should reach a safe internal temperature, and a thermometer is much more reliable than simply cutting the meat open to see whether it “looks done.”
Another important point is that the green area in the photograph does not automatically mean the entire chicken was contaminated.
If the discoloration is caused by deep pectoral myopathy, for example, it is a localized muscle condition rather than necessarily evidence that the whole bird has spoiled.
But that doesn’t mean you should simply cut away the green portion and eat the rest when there is also a strong abnormal odor or other signs of spoilage.
When you’re uncertain about a food product, professional food-safety guidance is preferable to guessing.
And there is absolutely no reason to feel embarrassed about throwing away questionable chicken.
Food is expensive, and wasting food can be frustrating. But once raw poultry has raised serious safety concerns, saving a few dollars isn’t worth taking a gamble with your family’s health.
If the chicken was purchased recently, contacting the retailer can be a much better solution. Take photographs, keep the packaging, note the product information, and explain exactly what you observed.
A reputable seller may investigate the issue and, depending on the circumstances, provide a refund or replacement.