As we all know, walnuts have high nutritional value. walnuts contain a lot of omega-3 fatty acids.
This can help our body produce beneficial metabolites.The researchers also concluded that walnuts are the "best healthy food." For people without nut allergies or gastrointestinal problems, there are few reports of health risks associated with walnuts in shell.
Look at the walnuts in shell. If they look excessively wrinkled, shrunken and rubbery, it indicates that walnuts in shell are of poor quality.
Smell a small bite of walnuts . Fresh walnuts in shell will smell of nuts and have a sweet nutty taste. walnuts in shell that smell like paint thinner and have a bitter taste are rotten and need to be thrown away.
Touch the walnuts in shell. Fresh shelled walnuts in shell should feel hard and not feel moist. Soft and moist walnuts in shell should be discarded.
The bigger the walnuts in shell, the better. If it is the same size, look at the outer skin. Regardless of whether the skin is yellow or white, the more authentic the color, the better the quality.
It is important to choose walnuts in shell, and it is equally important to preserve them. It is best to store them in a dark and cool place to maintain their taste. They can be stored for a month at most. If it gets damp, you can warm it up in the microwave, but the taste will be affected. If it is midsummer, walnuts in shell can only be stored for 1-2 months, which will affect the taste for a long time.
To store walnuts in shell in production, the fully dried walnuts in shell are packed in a sack or cloth bag with good air permeability, and placed in a cool, dry and ventilated place. If you want to store it for a longer time, you can also put the dried walnuts in shell in a sack. Stored in a cold storage filled with carbon dioxide gas, it can be stored well for more than one year. The optimal temperature for indoor storage of walnuts in shell is 1-2℃, generally not more than 8℃, and the relative temperature is 75-80%.
Store walnuts in shell at home. If the quantity is not large, it is a good choice to put them in the refrigerator. As long as the walnuts in shell are kept dry, it should not be a problem to store them in the refrigerator for one year.