1, the shelf life of peeled walnuts is generally six months; The shelf life of ordinary processed walnuts is 3 months, and the shelf life of refined walnuts is 12 months. It is recommended to buy refined walnuts. The shelf life of walnut with shell in the shade is 10 month, and a few people prefer to buy fresh green walnut, which is relatively short, usually around 15 days.

2. Walnut kernels should be placed in a natural and ventilated place as far as possible. It shouldn't be sealed in a bag. It is best to use cloth bags, hemp bags or other well-ventilated packaging bags. Adopt well-ventilated packaging bags to avoid the reasonable and rapid release, digestion and absorption of water and moisture in walnut kernel when the water content is insufficient, so as to maintain the water content of walnut kernel more effectively and avoid moisture regain and mildew.

3. Store the peeled walnuts in a small sealed box at room temperature. Because walnut kernel is easily oxidized by co2 air in the air, it lacks its own antioxidant nutrients. So we have to block the air. In addition, under the conditions of high temperature and ultra-low temperature, the antioxidant substances in walnut kernels are easily degraded and dissolved, so they should be stored at room temperature.

4. Secondly, you can use a clean and dry jar (steel and pottery must be sealed), so that you can keep the unfinished walnuts inside, but you should pay attention to keeping them in a dark and ventilated place as far as possible. If there are not many walnuts, it is also a good choice to put them in the refrigerator. Walnuts should not be a problem in the refrigerator for a year as long as they are kept dry.