Cordyceps with good appearance is full, just like a fat doll. Due to the different digging time and the invasion of water in the later storage and sales process, the fullness of Cordyceps sinensis will be different. If the fullness is poor, it is called flat grass.
Extended data
Pay attention to buying cordyceps sinensis.
1, smell grass: strong "flavor".
Authentic mushrooms have a natural aroma or a slight fishy smell, while counterfeit mushrooms generally have no smell.
2, Cordyceps sinensis: "body seat" couple.
After the Cordyceps sinensis was soaked in boiling water, the worm became swollen and soft, and the color of the fungus seat turned dark brown. The worm is closely connected with the fungus seat and will not fall off. The immersion liquid has a slight smell. After soaking in boiling water for 10 minutes, the pseudocordyceps sinensis will slowly show its original shape, the yellow germ will fall off, and the pseudomycetes will also start to fall off and separate from the insect body.
Baidu encyclopedia-Cordyceps sinensis