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