2, has peeled the skin of the Izumi mushrooms, need to soak in water to save, this is easy to be bad, can only keep three days at most. You can also wash the skin of the zygomycetes, peel the skin, and then cut into slices or pieces, blanch them, cool them down and put them in the freezer of the refrigerator, and then take them out and thaw them when you want to eat them, and then put the rest back into the refrigerator to freeze them, and they can be preserved for a few months