Aging canned goods: Why time and heat can make your canned tuna and Spam even more delicious | Slate

click the pic to read the whole schtick

… Standard canned goods aren’t generally deemed age-worthy. Food technologists define shelf life not by how long it takes for food to become inedible, but how long it takes for a trained sensory panel to detect a “just noticeable difference” between newly manufactured and stored cans. There’s no consideration of whether the difference might be pleasant in its own way or even an improvement—it’s a defect by definition…

via Slate Magazine.