Jake Harper
It is not uncommon for cooked chicken to have a reddish tint near the bone, which is often mistaken for blood. This is usually hemoglobin found in dark meat such as chicken thighs and legs. While it is generally safe to consume fully cooked chicken with a reddish tint, there is a small risk of food poisoning if the chicken is undercooked. It is important to ensure that the chicken is cooked properly, with clear juices, to reduce the risk of foodborne illnesses.
| Characteristics | Values |
|---|---|
| Is it normal to see blood in chicken? | Yes, it is normal to see blood in chicken, especially near the bones. |
| Is it safe to eat chicken with blood? | Yes, as long as the chicken has been cooked to a safe internal temperature. |
| What is the safe internal temperature for chicken? | The USDA recommends cooking chicken to an internal temperature of 165°F to reduce the risk of foodborne illness. However, some sources suggest that cooking chicken to 155°F for about 44 seconds or 160°F for about 14 seconds is sufficient to reduce bacterial risk. |
| Why does cooked chicken sometimes look pink or bloody? | The pink or bloody appearance may be due to the presence of myoglobin, a protein in muscles that can retain its color even after cooking. Myoglobin is more prevalent in dark meat, which is why it is more likely to appear pink. |
| How to avoid pink chicken | Deboning the meat before cooking and changing the pH by marinating the meat with citrus or vinegar can help prevent the pink color. |
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What You'll Learn
It's not blood, it's myoglobin
It's understandable to be concerned about blood in chicken, but it's important to understand that what you're seeing is not actually blood. During the slaughter and processing of chickens, most of the blood is drained out, and what remains is mostly water and a protein called myoglobin.
Myoglobin is a protein found in muscle tissue that is responsible for transporting oxygen to the cells. It is similar to hemoglobin, which is the protein that carries oxygen in blood. However, myoglobin is not the same as blood, and its presence does not indicate that the chicken is unsafe to eat. In fact, myoglobin is what gives meat its colour, with higher levels of myoglobin resulting in redder meat. Chicken typically has lower levels of myoglobin than red meats like beef, which is why it is classified as white meat.
The pink or red liquid that you sometimes see in packaged chicken or after cooking is a mixture of water and myoglobin, known in the beef industry as "purge". This liquid is not blood, and it does not necessarily indicate that the chicken is spoiled. However, excessive purge can be a sign that the meat has lost some of its moisture, flavour, and tenderness.
It's worth noting that while some people may find the presence of pink or red liquid in chicken off-putting, it is not a reliable indicator of the chicken's doneness. The only way to accurately determine if your chicken is cooked through is to use a meat thermometer, which should read 160ºF to 165ºF in the meatiest parts of the bird, such as the breast and thigh.
If you want to avoid pink chicken altogether, there are a few things you can do. Deboning the chicken before cooking can help, as the bones tend to have higher levels of myoglobin that can "stain" the meat. Additionally, you can try changing the pH of the meat by marinating it in citrus or vinegar, which will lower the acidity and reduce the risk of a rosy hue.
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Myoglobin causes pink juices
It is a common misconception that the pinkish-red liquid oozing out of meat is blood. In reality, commercially sold chickens are drained of their blood during processing. The pink "juices" that you see pooling around the chicken are a combination of water and myoglobin, a protein found in muscle tissue. Myoglobin is similar to hemoglobin, the protein that transports oxygen in blood.
Myoglobin is responsible for the red colour in meat, and it can retain its colour even after cooking. The meat will appear more reddish when it contains more myoglobin, such as in rare steaks and burgers. The myoglobin in these undercooked meats has not yet been exposed to heat for an extended period, allowing the meat to maintain its reddish appearance.
The presence of myoglobin in meat can be influenced by various factors, including the animal's age and activity level. For example, veal has a lighter colour than beef because it comes from younger, less active animals with lower myoglobin levels. Similarly, turkey leg meat is darker than turkey breast meat due to the higher activity level of the leg muscles.
The pH level of the meat can also impact myoglobin's colour. A higher pH, or lower acidity, requires a higher temperature to turn myoglobin clear. Thus, meat with a higher pH may appear pinker unless it is cooked at a higher temperature, which can result in drier meat.
While the presence of myoglobin in meat may be off-putting to some due to its resemblance to blood, it is perfectly safe to consume. Myoglobin is a protein that carries oxygen, and it can provide a good source of iron.
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Chicken is safe to eat when cooked to a safe temperature
It is understandable to be concerned about the presence of blood in chicken, but it's important to know that commercially sold chickens are typically drained of their blood during processing. What you might perceive as blood is often myoglobin, a protein in muscles that can retain its red or pink colour even after cooking. This myoglobin mixes with water to form "myowater", which is the pink-hued liquid you may find in raw or cooked chicken.
While it may be visually unappealing, pink chicken is often safe to eat as long as it has reached the correct internal temperature. The USDA recommends cooking poultry to an internal temperature of 165°F (73.9°C) to reduce the risk of foodborne illness. At this temperature, any harmful bacteria should be eliminated. However, it's important to note that the combination of temperature and time plays a role in ensuring food safety. For example, chicken cooked to 155°F (68.3°C) and held for about 44 seconds can also achieve sufficient bacterial reduction.
To check the temperature accurately, it is recommended to use a good quality thermometer. Insert the probe into the meatiest parts of the chicken, such as the breast and thigh. It is important not to rely solely on the colour of the meat or juices to determine doneness, as myoglobin can require higher temperatures to turn brown.
In some cases, what appears to be blood may actually be coming from the bone marrow. Cooking can force the liquid out of the marrow, through porous bones, and into the meat. As long as your chicken has been cooked to the safe temperature range mentioned above, it is generally safe to consume.
In summary, while it may be surprising or concerning to see blood or pink colouring in chicken, it is often safe to eat as long as it has been cooked to the appropriate internal temperature. Proper cooking ensures the elimination of harmful bacteria, making your meal safe and enjoyable.
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How to avoid pink chicken meat
It is a common misconception that pink chicken is undercooked and unsafe to eat. In reality, the meat can still be fully cooked and safe to consume, even with a pink hue. This is because the pink colour in cooked chicken is often caused by myoglobin, a protein in muscle that holds oxygen and can remain in the meat even after cooking. Myoglobin can also mix with the moisture in the chicken to create "myowater", which can give the meat a pink tint.
However, if you are not a fan of seeing pink chicken on your plate, there are several ways to avoid it:
Debone the meat
Removing the bones from the chicken before cooking can help reduce the risk of pink meat. Myoglobin is present in the bones, so by removing them, you eliminate the source of the pink colour. This is especially effective for chicken breasts, which do not contain the protein myoglobin and should be white when cooked.
Change the pH
The pH level of the meat can affect the colour. Higher pH, or lower acidity, means the myoglobin requires a higher temperature to turn clear. To lower the pH and reduce the risk of pink meat, marinate the chicken in citrus or vinegar before cooking. The acidic environment will reduce the chances of that rosy hue.
Check the temperature
While it is not a foolproof method, checking the temperature of the meat with a thermometer can help ensure it is cooked through. For chicken, the safe internal temperature should be between 160ºF to 165ºF. However, due to carry-over cooking, you can take the chicken off the heat when it reaches 150ºF to 155ºF, as the temperature will continue to rise even after it is removed from the heat source.
Consider the age and feed of the chicken
Younger chickens tend to have thinner skin and more permeable bones, which can allow cooking gases to tint the flesh pink. Older chickens may have pink spotting due to areas where the fat has broken away from the skin. Additionally, the feed of the chicken can affect its internal colouring. For example, chickens fed with yellow and red carotenoids can result in meat with a darker, orange hue.
By following these tips, you can reduce the likelihood of encountering pink chicken meat. However, it is important to remember that pink chicken is not always a cause for concern and can be safely consumed in many cases.
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Myoglobin is found in higher amounts in legs and thighs
It is understandable to be concerned about the presence of blood in chicken. However, it is important to note that commercially sold chickens are typically drained of their blood during processing. The pinkish liquid observed in packaged chicken or after cooking is not blood but rather a mixture of water and myoglobin, known as "myowater". Myoglobin is a protein that helps transport oxygen around the body, and it is found in higher concentrations in the legs and thighs of chickens, which is why these cuts are categorized as dark meat.
The presence of myoglobin in these parts of the chicken explains why they are more likely to retain a pinkish hue even after cooking. This is because myoglobin can require a higher temperature to turn brown, and cooking chicken to higher temperatures can result in dry meat. To ensure food safety, it is recommended to cook chicken to an internal temperature of 165 degrees Fahrenheit, as advised by the USDA, to reduce the risk of foodborne illness. However, this may not eliminate the pink colour caused by myoglobin.
To avoid pink chicken meat, there are a few strategies you can employ. One method is to debone the meat before cooking, as myoglobin is often associated with the bone. Removing the bone will result in a more uniformly white meat colour. Another approach is to focus on altering the pH of the meat. A higher pH, or lower acidity, environment increases the temperature required for myoglobin to turn clear. Marinating the chicken with citrus or vinegar can lower the pH and reduce the likelihood of pink meat.
While it may be visually unappealing to some, consuming chicken with traces of pink meat is generally safe as long as the chicken has been cooked to the appropriate internal temperature. This can be achieved by using a meat thermometer to ensure the chicken is thoroughly cooked without overcooking it, which can lead to dry and stringy meat. It is important to remember that relying solely on the colour of the meat or its juices to determine doneness is not always accurate.
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Frequently asked questions
It is normal for there to be traces of blood in chicken, especially near the bones.
As long as the chicken has been cooked thoroughly, it is safe to eat. The blood is likely to be coming from the bone marrow.
The USDA recommends that chicken is cooked to an internal temperature of 165°F to reduce the risk of foodborne illness.
The redness is likely to be myoglobin, a protein in muscles that can retain its colour after cooking. Myoglobin mixes with water to form "myowater", a pink-hued liquid found in raw meat.
To avoid pink chicken, you can debone the meat before cooking or marinate the meat in citrus or vinegar to lower the pH.
