1. Use a well-ventilated bag.

Regarding the preservation of food, many people's first reaction may be to seal it, but when preserving walnut kernels, it should not be too sealed. It is best to use cloth bags, sacks or other bags with good air permeability to prevent walnut kernels from getting damp and moldy.

2. In a ventilated place.

In the same way, walnut kernels should be packed in breathable bags and put in a ventilated place.

Step 3 refrigerate

Storage places must be cool, dry, ventilated and backlit. Walnuts are generally refrigerated at a low temperature of about 5℃, and the relative humidity of the air is 50%-60%.

Preservation time of walnuts

1. The shelf life of walnut kernel is 6 months.

2. The storage period of walnut kernel in cold storage is 10 month.

3. The shelf life of fresh walnut (wet walnut) is 15 days.

4. The storage period of green walnut is 1 month.

Extended data:

Nutritional value of walnut

The nutritional value of walnut kernel is extremely high, and it is rich in monounsaturated fatty acids, polyunsaturated fatty acids, lecithin, vitamin E and so on. Monounsaturated fatty acids and polyunsaturated fatty acids can reduce the contents of cholesterol, triglyceride and low density lipoprotein in blood and prevent hypertension, coronary heart disease and hyperlipidemia. Vitamin E has the functions of improving immunity, resisting arteriosclerosis, preventing cancer, protecting eyesight and eliminating "senile plaque". Therefore, walnuts are good nutrients for the elderly.

Chinese medicine believes that walnut kernel is sweet and warm, and has the effects of tonifying kidney and strengthening yang, moistening lung and relaxing bowels. Therefore, people with cold pain in the waist and legs, frequent urination, tinnitus, sexual dysfunction, nocturnal emission, premature gray hair and other symptoms. Kidney deficiency should insist on eating walnuts every day, which can play a therapeutic role.

References:

People's Network-Four Ways to Eat Walnut with Double Nutrition