1, price: Now the price of a catty of pure Ejiao is around 2000 yuan. If you can buy tens of dollars of Ejiao cake, you should pay attention to the ingredients. It may be made of the skins of other animals instead of donkeys.
2, taste: authentic Ejiao cake tastes like chewing gum, and inferior taste is like fishy smell.
3. The most intuitive way is to dissolve the Ejiao cake with warm water, and after a few minutes, the authentic Ejiao cake will be completely dissolved. If there is silk or it is difficult to dissolve at all, it is a fake Ejiao cake.
4. Look at the color and see if the package is tightly sealed.