In Chinese medicine, this herb has developed a reputation as an effective gynecological medicine thanks to its amazing performance on nourishing yin and supplementing blood, miscarriage prevention, emmeniopathy treatment, and so on. Actually this is not an herb at all, but the solid glue made of the hide of Equus Asinus L. The main processing steps include boiling and concentrating the donkey hide. Nowadays it mainly comes from Shandong, Zhejiang, and Jiangsu. Usually it is used by the original gelatin block or beads that are fried and formed by smashed gelatin block with clam shell powder or cattail pollen.
E Jiao (Colla Corii Asini, Donkey-Hide Gelatin) | Chinese Herbs Healing
State news outlets warn that the diminishing supply has attracted a flood of fake stand-ins for donkey gelatin, a popular traditional medicine. Some breeders in the eastern province of Shandong, the historic heartland for donkey gelatin, are using implanted identification chips to protect their increasingly precious beasts. At least one company has offered consumers DNA certificates to prove that its product is the real, braying deal. Fortunately, there are experts and politicians at hand with solutions.
Generic name. Donkey Hide Gelatin. Chinese phonetic alphabets. Actions and Indications. Tonifying blood and nourishing Yin, moistening dryness and preventing vaginal bleeding.
Donkey-hide gelatin or ass-hide glue Latin : colla corii asini is gelatin obtained from the skin of the donkey equus asinus by soaking and stewing. The gelatin is produced in several coastal provinces of China: Jiangsu , Zhejiang , Shandong. Shandong's Dong'e County was where "ejiao" got its name.