Rock Tripe 岩耳


Rock Tripe, also known as Umbilicaria esculenta, is named Stone Ear(石耳 or 岩耳) by local Zhangjiajie people, It is a lichen of the genus Umbilicaria that grows on rocks in the area of Zhangjiajie City.  It is edible when properly prepared and has been used as a food source and medicine.The species name is based on the arlier basionym Gyrophora esculenta.

Features for Wellness
The rock tripe is the treasure of food because it has the function of removing heat and nourishing. And it is delicious with meat or stewed chicken. It was listed as tributes in ancient times. Therapeutic effects are as below:

1. Prevention and treatment of gastric ulcers prove that the cure rate of the extract of the ear-stained ear on chronic acetic acid-type gastric ulcer is 100% within 12 days, and it also has a certain inhibitory effect on the increase of gastric acid caused by histamine.
2. The blood pressure lowering ear ethanol extract has obvious antihypertensive effects whether it is administered intravenously to anesthetized animals or to normal animals that are not anesthetized by intragastric or intraperitoneal injection.
3. Anti-cancer and anti-cancer The water-soluble stone ear polysaccharide has high anticancer activity, can inhibit the growth of cancer cells and prevent the spread of cancer cells.
Important notice: Patients with yang deficiency and spleen and stomach deficiency are not suitable.

Extremely Precious Specialty
Growing on the deep cliff, it is very difficult to get.  The picker  is usually a brave man who is tied with a long rope to the waist, and the other end is tied to a iron nail or a thick tree on the top of the cliff, and then he moves along the crack of the stone wall to find the stone tripe. If not careful, he  falls easily from the deep cliff and die. Therefore, the rock tripe is extremely precious.
This photo was taken at Yuanjiajie Scenic Spot in Zhangjiajie Forest Park to show a person was picking rock tripe on the deep cliff.



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