This product is a solid glue made by boiling and concentrating the skin of the donkey (Equus asinus L.), a member of the horse family. It is mainly produced in Shandong, Zhejiang, Hebei, Henan, Jiangsu, and other regions. The product from Dong'e County in Shandong Province is the most renowned.

bubble_chart Properties and Meridians

Sweet, neutral. Act on lung, liver and kidney meridians.

bubble_chart Efficacy

Tonifying blood, stopping bleeding, nourishing yin, and moistening dryness.

bubble_chart Indications

1. Used for blood deficiency, shallow yellow complexion, vertigo, palpitations, etc. It is an excellent product for tonifying blood. Often used with Prepared Rehmannia Root, Chinese Angelica, Astragalus Root, and other tonifying and replenishing qi and blood medicines.
2. Used for various bleeding disorders. It has a good hemostatic effect. It is especially suitable for bleeding accompanied by yin deficiency and blood deficiency pattern. For treating blood-heat-induced hematemesis and epistaxis, it is combined with Typha, Unprocessed Rehmannia Root 黃, such as in Qianjin Yifang for treating excessive blood loss, fatigue, and mental timidity, combined with Ginseng, common bletilla pseudobulb, etc.; as in "Tanhuo Dianxue" for treating lung damage and coughing blood, combined with Ginseng, Asparagus Root, 北Schisandra Fruit, common bletilla pseudobulb, etc.; as in "Zhizhi Fang" Donkey-hide Gelatin Powder, for treating bloody stool resembling bean juice, combined with Chinese Angelica, Red Peony Root, etc., such as Donkey-hide Gelatin Peony Root Decoction; for treating blood after stool, combined with Peony Root, Coptis Rhizome, etc., as in "Yilin Jiyao" Donkey-hide Gelatin Pill; for treating Chong and Ren instability, menorrhagia, metrostaxis, and pregnancy bleeding, combined with Unprocessed Rehmannia Root, Mugwort, etc., such as Donkey-hide Gelatin and Artemisia Decoction.
3. Used for yin deficiency pattern and dryness pattern. It can nourish yin and moisten dryness. For treating warm dryness injuring the lungs, dry cough without phlegm, combined with Ophiopogon Tuber, Bitter Apricot Seed, etc., such as Dryness-Clearing Lung-Rescuing Decoction; for treating Rebing damage to yin, restlessness, and insomnia, combined with Peony Root, egg yolk, etc., such as Coptis and Ass Hide Glue Decoction; for treating Rebing damage to yin, fluid depletion, wind stirring, and hand-foot spasm and convulsion, combined with Tortoise Carapace, oyster shell, Peony Root, Unprocessed Rehmannia Root, etc., such as Major Wind-Stabilizing Pearl.

bubble_chart Documentation

1. Benjing: "For heart and abdominal collapse, extreme fatigue with malaria-like symptoms, lumbar and abdominal pain, women's bleeding, calming the fetus."
2. Bencao Gangmu: "Treats hematemesis, nosebleeds, blood stranguria, hematuria, bloody defecation, diarrhea, women's blood pain and blood depletion, irregular menstruation, menorrhagia, leukorrhea, and various diseases before and after childbirth." "Donkey-hide Gelatin primarily tonifies blood and fluids, thus it can clear the lungs, benefit yin, and treat various conditions. ... Cheng Wu-ji said: For those with insufficient yin blood, tonify with flavor, the sweetness of Donkey-hide Gelatin tonifies yin blood."

bubble_chart Usage and Dosage

Decoction, 5-15g, melt and take with decoction; for hemostasis, Donkey-hide Gelatin beads are commonly used and can be decocted together.

bubble_chart Cautions and Contraindications

This product is greasy in nature and may hinder digestion. It should be used with caution by those with weak stomachs or loose stools.

bubble_chart Processing and Storage

Crush into pieces or stir-fry into beads with Clam Shell Powder.

bubble_chart Modern Pharmacology

This product is primarily composed of collagen (glutin) and various amino acids such as lysine, arginine, and histidine, which are produced through partial hydrolysis, and also contains calcium, sulfur, and other elements. Donkey-hide Gelatin can promote the generation of red blood cells and hemoglobin in the blood, with effects superior to iron supplements; it improves calcium balance in animals, promotes calcium absorption and retention in the body; it prevents and treats progressive muscular dystrophy; and it can increase blood pressure to counteract shock.