What Does It Mean When Meat Turns White. You could still decide to be extra safe and discard it (nobody can prove that this. Why does meat change color when it’s cooked?

The meat we buy is made up of all different compounds like iron and fat. Iridescent hues can occur even in the freshest of roast beef, so they're not a. But when myoglobin gets exposed to oxygen, it turns into a compound called oxymyoglobin.