Refrigerated conditions, overnight silver fungus soup is safe. Of course, and all the food as refrigerated storage time should not be too long, in addition to try to be heated sufficiently and then eat, in order to prevent microbial infection, which is applicable to all refrigerated food of the general law. Some people have sought expert confirmation that silver ear soup does not produce nitrites. Silver fungus soup once more to cook some, divided into small portions into the refrigerator to save, you can save 1-2 days time, do not have to worry.