保质期是指产品在规定的贮藏条件下的品质保证期限。保质期一般在产品的外包装上，消费者容易看到的地方，一般食品、药品、护肤品、日用品等都会有保质期。
参考
进一步阅读
- New Guidelines Seek to Provide Clarity on Food Expiration Dates. All Things Considered (U.S.: NPR). 2017-02-17. Includes a list of the many terms used in the United States food industry.
- Anonymous, "Cold Chain Management", 2003, 2006
- Anonymous, Protecting Perishable Foods During Transport by Truck , USDA Handbook 669, 1995
- Kilcast, D., Subramamiam, P., Food and Beverage Stability and Shelf Life, Woodhead Publishing, 2011, ISBN 978-1-84569-701-3
- Labuza, T. P., Szybist, L., Open dating of Foods, Food and Nutrition Press, 2001; other edition: Wiley-Blackwell, 2004, ISBN 0-917678-53-2
- Man, C. M., Jones. A. A., Shelf-Life Evaluation of Foods, ISBN 0-8342-1782-1
- Robertson, G.L., Food Packaging and Shelf Life: A Practical Guide, CRC Press, 2010, ISBN 978-1-4200-7844-2
- Steele, R., Understanding and Measuring the Shelf-Life of Food, Woodhead Publishing, 2004, ISBN 1-85573-732-9
- Weenen, H., Cadwallader, K., Freshness and Shelf Life of Foods, ACS, 2002, ISBN 0-8412-3801-4