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Shelf Life: A Misleading Food Health Shortcut?
7 Oct
Summary
- Consumers often use shelf life as a shortcut for naturalness.
- Packaging improvements can extend shelf life, not just processing.
- Focus on ingredients like fiber, protein, and sugar, not expiration.
New research indicates that consumers often use a food's shelf life as a shortcut to determine its naturalness and healthiness. Shoppers tend to view items with shorter shelf lives as more natural, even when differences are due to packaging advancements rather than processing.
Experiments revealed that participants consistently preferred foods with shorter shelf lives, regardless of identical ingredients or nutritional facts. Even when informed that longer shelf lives resulted from better packaging, the perception persisted.
Experts emphasize that shelf life is significantly influenced by packaging technology, such as improved seals and oxygen barriers. This can extend freshness without necessarily indicating less processing or greater health benefits.
Instead of relying on expiration dates, consumers are advised to examine ingredient lists for fiber, protein, added sugar, and sodium content. These nutritional factors offer a more accurate assessment of a food's true health value than its shelf life.
