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Why is fresh ground beef sometimes dark in the center and red on the outside?

April 26, 2017Beef center Dark fresh ground outside red

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Why is fresh ground beef sometimes dark in the center and red on the outside?

1 Answer

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10 Posted

Fresh cut meat is purplish in color. Oxygen from the air reacts with meat pigments to form a bright red color that is usually seen on the surface of ground beef purchased in the supermarket. The interior of the meat may be grayish-brown due to the lack of oxygen penetrating below the surface.