Pasta salad lasts for five to seven days in the refrigerator if there is no mayonnaise in it. This is the amount of time the salad is good past the "sell by" date.
One cup of pasta salad contains about 358 calories. There are 6.66 grams of protein in a 1-cup serving and 18.82 grams of fat. The salad also contains a significant amount of iron and 2.5 grams of dietary fiber. Pasta salad often contains vegetables like olives, peas or mushrooms and a vinegar-based dressing. Cream-based dressings are also used to make pasta salad, and some dishes contain chicken.