How to identify the quality of Wan Wen walnut

It can be distinguished from hardness, skin color and so on.

1. When selecting walnuts, the hardness of the cortex should be moderate, neither too hard nor too soft. It's better to be harder, and the color will be faster and more ruddy.

2, look at the skin color, no matter what skin color, it must be uniform, some walnuts have been washed with water, the color is white, and there are black residues in walnut granules, which is normal.

3, then look at whether there is yin skin on the surface, whether there are insect eyes, it is best to choose walnuts in the sun, you can see more clearly. Look at the pairing again, be sure to look at it from multiple angles. Some heads match well, but the tails don't.