The storage life of dried foods is affected by temperature, moisture content, container atmosphere and the storage container. Dehydrated vegetables will last eight to ten years is there is no oxygen in the container. If the temperature is a steady 70 degrees F, they could last 15 years. Other dehydrated food life varies with the type of food and the conditions mentioned. An article on dehydration can be found here: https://www.usaemergencysupply.com/information_center/storage_life_of_foods.htm#link9.