Don’t Get Fooled by the Supermarket: What You Should Really Know About Buying Meat

is that bright red always means fresh and brown means spoiled.

That’s not necessarily true.

The color of meat is influenced by myoglobin, a pigment that reacts with oxygen. Beef can appear purplish-red when it hasn’t been exposed to much oxygen and can become bright cherry-red after exposure to air. Over time, oxidation can cause it to become brownish-red. A color change by itself does not necessarily mean the meat is spoiled.

What Should You Look For?

Color should be considered alongside other signs.

Meat that has developed an off