mayonnaise, then gets dressed up with celery, onion, relish, mustard, or whatever a family favors. Every ingredient brings something to the bowl, and every one of them has its own storage needs. Once canned tuna is opened, it should be handled like any other perishable food and eaten within a few days.
Mayonnaise, though sturdy enough in the jar, becomes more delicate once mixed into a salad. Fresh vegetables like celery and onions can soften, weep moisture, and lose their pleasant crunch over time. Altogether, these ingredients make a nourishing dish, but also one that does not keep forever.
Tuna salad ingredients arranged on a kitchen counter
Tuna salad ingredients arranged on a kitchen counter
The Science Behind Food Spoilage
Food spoilage happens because bacteria, yeasts, and molds grow wherever they find moisture and nourishment, and tuna salad gives them both. Temperature matters a great deal. These organisms multiply fastest