Is ground beef still good if it turns brown?

Online Answer
The interior of raw ground meat may be greyish brown due to a lack of exposure to oxygen. This doesn't indicate spoilage. Nevertheless, you should throw away ground beef if it has turned either brown or gray on the outside, as this indicates that it's beginning to rot.
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Ground chuck is the beef that comes from front beef shoulders. On the other hand, ground beef is the leftover pieces after cutting the beef into roasts and steaks. This means that ground chuck comes from a particular part or from a special cut whereas ground beef comes from many parts or from other different cuts..