For storage, keep deli ham in the coldest part of your refrigerator, ideally in a sealed container or tightly wrapped to prevent exposure to air. Consuming the ham within three to five days of opening will ensure optimal freshness and safety.

11. What to Do If You’re Still Worried About That Rainbow

If you’re still concerned about the iridescent shine on your deli ham, remember that it is typically harmless and a natural occurrence. However, if you find it off-putting or are unsure about the ham’s freshness, consider using the ham in cooked dishes where the texture and appearance are less noticeable.
For those who remain uneasy, buying thicker cuts of ham or opting for freshly roasted meats that haven’t been processed as extensively might help alleviate concerns. Ultimately, trust your instincts and use your senses to guide you in determining the safety of your food.