1, refrigerated: about 6 months. Mold is afraid of low temperatures, the dry walnuts with sealed plastic bags, put in the refrigerator, can be stored for about six months will not deteriorate mold.

2, room temperature dry storage: 3?6 months. If there is no refrigerator, you can prepare the kind of snacks usually put inside a small bag of desiccant in the walnut bag or box, desiccant will absorb moisture to a certain extent, to avoid moldy walnuts due to humidity, there is no small packet of desiccant, daily storage of walnuts should be very careful to be placed in a ventilated and dry place, to avoid high temperatures and humidity.