Definition: Period during which product maintains acceptable quality and safety when stored under specified conditions. Expressed as “use by” or “best before” date.
Factors Affecting Shelf Life:
- Storage temperature (most critical)
- Initial microbial load
- Packaging (atmospheric protection)
- Product pH and water activity
- Preservatives
Temperature Impact:
- Typical rule: Every 10°C temperature increase halves shelf life
- Example: Product with 10-day shelf life at +4°C has only 5 days at +14°C
Related Terms: Expiry Date, Use-By Date, Best-Before Date, FEFO, Shelf Life Extension