First, look at the appearance, the genuine Ejiao is brown or brown-black, with a flat shape, a smooth and shiny surface, and a translucent edge when viewed by light; Fake donkey-hide gelatin is usually dark, dull, uneven and even concave;
The second is to break it by hand. The genuine Ejiao is brittle and hard, it will not bend when breaking, and it is easy to break, and there is no pore in the section; The fake donkey-hide gelatin is not brittle, easy to bend, not easy to break, sticky and sticky after breaking, and sometimes there are small holes in the cross section;
The third is the smell. The genuine donkey-hide gelatin has a slight soybean oil fragrance, which feels fragrant and slightly sweet, while the fake donkey-hide gelatin has a strong fishy smell.
In addition, there is a little trick. After smashing Ejiao, put it in a cup and add some boiling water. Then cover it and leave it for a few minutes before opening it. The genuine liquid is clear, while the fake Ejiao is turbid or even emulsion-like.
About the contraindications, side effects, suitable people, taking methods, time, diet and health care of Ejiao, you can go to the website of Pinshantang, which is helpful for you to take Ejiao healthily!