Properties and Production
Dark meat from poultry's characteristics, its color, low plasticity and high fat content, are caused by myoglobin, a pigmented chemical compound found in muscle tissue that undergoes frequent use. Because domestic poultry rarely fly, the flight muscles in the breast contain little myoglobin and appear white. Dark meat which is high in myoglobin is less useful in industry, especially fast food, because it is difficult to mold into shapes. Processing dark meat into a slurry makes it more like white meat, easier to prepare.
The meat is first finely ground and mixed with water. The mixture is then used in a centrifuge or with an emulsifier to separate the fats and myoglobin from the muscle. The product is then allowed to settle into three layers: meat, excess water, and fat.
The remaining liquefied meat is then flash-frozen and packaged.
Read more about this topic: Meat Slurry
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