Why is my raw meat GREY?
Myoglobin’s chemical compound contains iron, which, after a few days of oxygen exposure, will oxidize. This creates metmyoglobin, which is responsible for the meat turning grayer than your grandpa.
Is beef okay if it turns GREY?
If the ground beef is gray on the inside and outside, chances are, it has spoiled. A simple sniff test will confirm that for you. For best results, use ground beef within one to two days of purchase, or freeze it in its original packaging for up to four months.