The article was powered by Yahoo Scout using AI to generate key points and may not always match what's in the article. The article discusses the science behind shelf life and how to identify foods that are still safe to consume long after their expiration dates. Expiration dates are often mistaken as indicators of peak freshness rather than a countdown to spoilage, but these can be identified as signs of decline in quality. While fresh pasta can last up to a year past its printed date, if it remains in its original sealed packaging or an airtight container, it remains safe to eat. Food preservation methods include canning, which kills microorganisms and creates a vacuum seal to prevent new bacteria from entering. However, the acidity of the food's acidity matters. High-acid foods like canned tomatoes or fruit cocktail tend to degrade the can lining faster than low-acid ones like green beans or chowder. Dry pasta can still be consumed long after the printed date and is often more resistant to bacterial growth than fresh ones. Food safety is crucial to identify what's safe to consumed, as is how to store the product in the original sealed containers or airtight containers.