10 Important Food Items That Can Last Forever

In a Guide to Food Storage for Emergencies by Utah State, the maple syrup was listed among the food with a long expiration date to have an indefinite shelf life in case the syrup bottle is unopened and can last for several years if it is opened and properly stored in the refrigerator.

The guide also states that the maple syrup can survive for such extended period of time, thanks to its resistance to microbial growth.