Analysis of test questions: The principle of food storage is to kill bacteria and fungi in food or inhibit their growth and reproduction. For example, bagged sausages and vacuum packaging are based on the principle of isolating air, destroying the living environment of aerobic fungi and inhibiting their growth and reproduction. The principle of dehydration of dried mushrooms is to remove water and inhibit the growth and reproduction of bacteria and fungi. Canned meat is canned, and the principle is high temperature sterilization to prevent contact with bacteria and fungi. It's boxed milk.

Comments: This topic is called basic topic. If you understand the principle of food preservation and master the common general methods of food preservation, you can connect them correctly.