MRE foods are not dried foods, they contain water inside them. They have shelf life for years. How are they safe to eat. They are sealed packages so soldiers are not adding water and then heating them.
In: Chemistry
I can’t speak to specifically MREs, but canned goods also contain water and don’t spoil readily. What happens in canned goods is they are sealed and then heated enough that all bacteria and fungi inside die. The result is that literally nothing with DNA exists in the can, and so it cannot spoil the food.
Latest Answers