E Jiao - 阿膠 - Colla Corii Asini - Ass-Hide Glue
| Pharmaceutical Latin: | Colla Corii Asini Equus Gelatinum Corii Asini |
| Common English: | Ass-Hide Glue Donkey-Hide Gelatin Gelatin |
Category
Herbs that Tonify BloodProperties
| Taste | Temperature | Entering Meridians | Dosage |
| Sweet | Neutral | Kidney Liver Lung | 3-16g Tincture: 2-4ml Melt it into the strained decoction. 3-9g (Secondary source) |
Actions And Indications
| Actions | Indications/Syndromes |
Tonifies the Blood | Blood Deficiency with dizziness, sallow or pale complexion and palpitations |
Nourishes the Blood and stops bleeding | Any kind of bleeding, especially consumptive disorders with hemoptysis, hemafecia, menorrhagia or metrorrhagia |
Nourishes and moistens Yin | Yin Deficiency with irritability and insomnia in the aftermath of a Warm febrile disease |
Moistens the Lungs and Large Intestine | Dry Lung coughs due to Yin Deficiency or consumption |
Contraindications, Incompatibilities And Herb/Drug Interactions
| CONTRAINDICATIONS |
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| INCOMPATIBILITIES |
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| HERB/DRUG INTERACTIONS |
Major Combinations
| Rx. Codonopsis | Rx. Paeoniae Alba | Pollen Typhae |
Blood Deficiency with dizziness and palpitations. | Excessive menstrual bleeding. | Dry-fry to stop bleeding. |
| Rx. Rehmanniae | Terra Flava Usta | Rz. Coptidis |
Hematemesis, bleeding from the ears or epistaxis due to Blood Heat. | Bleeding due to insufficient Spleen Yang. | Heat toxin clumping in the Intestines and injuring the Blood collaterals causing Blood and pus in the stools especially during pregnancy or postpartum. |
| Rx. Scutellariae | Plastrum Testudinis | Scl. Polypori |
Irritability and insomnia due to Yin Deficiency and severely injured fluids usually after a fever. | Muscular spasms and contractures due to Yin Deficiency. | Yin and Fluid Deficiency with internal buildup of water and Heat leading to urinary dysfunction. |
Rx. Glycyrrhizae Preparata | Tub. Ophiopogonis | Sm. Armeniacae |
Yin Deficiency with chronic, unremitting low-grade fever, five-sole-Heat and an irregular pulse. | Dry cough with blood streaked sputum due to Lung Yin Deficiency. | Dry cough due to Heat injuring the fluids. |
Fol. Artemisiae Argyi | Rx. Asparagi | Rx. Asparagi |
Heavy, painful periods due to Cold obstruction. Prolonged uterine bleeding and menorrhagia. Bleeding during pregnancy or postpartum bleeding Restless fetus and threatened miscarriage with Cold abdominal pain | Fire or Dryness in the Lungs and Kidneys with emaciation, afternoon fever, parched throat and a dry cough with blood streaked-sputum. | Dryness attacking the Lungs. |
Hb. Agrimoniae | Rx. Angelicae Sinensis | Rx. Astragali |
Many types of bleeding disorders such as hemoptysis, Intestinal Wind with Blood in the stool, hematuria, bleeding during pregnancy and metrorrhagia, especially when bleeding is due to Yin and Blood Deficiency. | Anemia. | Anemia with Qi Deficiency. |
Rx. Rehmanniae Preparata | Rx. Paeoniae Alba | Rx. Scutellariae |
Bleeding associated with Spleen Qi and Yang Deficiency with hematemesis, epistaxis, hematochezia and uterine bleeding. | Hypermenorrhea, uterine bleeding, bleeding during pregnancy or bleeding after miscarriage. | Hematochezia or bleeding hemorrhoids. |
Tub. Ophiopogonis | Fr. Arctii | Fr. Schisandrae |
Hemoptysis. | Loud, labored and accelerated breathing. | Chronic cough, asthma, and spontaneous sweating due to Lung Qi and Yin Deficiency. |
Rx. Asparagi | Fol. Mori | Rx. Rehmanniae |
Chronic hematemesis due to Lung and Kidney Yin Deficiency. | Dryness injuring Lung Yin. | Low-grade fever and steaming bones. |
Bul. Allii Fistulosi | Scl. Polypori | Rz. Coptidis |
Constipation or dry stools. | Water retention with dysuria and edema due to Heat and Yin Deficiency. | Diarrhea during pregnancy with abdominal pain. |
Notes
- It may be taken on its own or dissolved in warm rice or millet wine.
- Its use is indicated for bleeding from Deficiency of Blood and Yin where Heat has damaged the vessels.
- For bleeding in pregnancy, dry-fry it and take it as a powder.
- It is typically combined with Qi and Blood tonics to strengthen their action.
- E Jiao and Rx. Rehmanniae Shu Di Huang both enter the Liver and Kidney channels, nourish Blood and enrich Kidney Yin, treating Blood Deficiency and gynecological problems such as irregular menstruation and disorders of pregnancy or the postpartum period. Shu Di Huang generates Jing and augments marrow, whereas E Jiao enriches Lung Yin and stops bleeding. Both are greasy and may hinder digestion.
- E Jiao nourishes the Blood, moistens Dryness and expels Heat. Rx Polygoni Multiflori He Shou Wu enters the Liver, tonifying Blood to expel Wind and blackening the hair and beard, yet it cannot moisten Dryness or settle wheezing. Colla Cornus Cervi Lu Jiao Jiao warms the Du and Chong channels to augment Blood, but it cannot clear Lung channel Heat or stop coughing. Colla Plastri Testudinis Gui Ban strongly tonifies Jue Yin and fills the Ren channel to reduce Heat and expel steaming bone disorder, but it cannot tonify Yang within Yin.
- Ass-Hide Glue Pearls E Jiao Zhu, clam-powder fried Ass-Hide Glue Ge Fen Chao E Jiao and fried Ass-Hide Glue Chao E Jiao are more effective at nourishing Lung Yin to moisten the Lungs, stopping cough and transforming Phlegm. They are often used for dry cough and wheezing from Lung Dryness, or for consumptive cough in which Yin is injured and Fire is excessive, especially when Blood is coughed up.
- Pollen Typhae Fried Ass-Hide Glue Pu Huang Chao E Jiao nourishes the Blood and moistens Dryness, and it also invigorates the Blood, transforms Stasis, stops bleeding and harmonizes the collaterals. Its tonifying action is not cloying, and it stops bleeding without causing Stagnation. Gynecological uses include threatened miscarriage and continuous uterine bleeding.
- Dui Yao pair with Zi Wan: for Lung Deficiency from chronic cough with Blood in the sputum. Used together in Zi Wan Tang.
From Class
- E Jiao (donkey-hide gelatin): E Jiao encourages a warm, sticky environment for implantation and nourishes blood, but watch for too much stickiness (damp heat in lower jiao). (Lewis)
- E Jiao alternatives for vegans: There is no true vegan E Jiao substitute; divide its functions: Wu Wei Zi astringes, Ce Bai Ye for bleeding with heat, Ai Ye for bleeding with cold. (Gioioso)
- E Jiao, Ban Xia, Tu Si Zi (24 g) for malposition/early delivery: For abdominal energy rushing to the heart: E Jiao prevents early delivery (don't needle/moxa Kidney channel), Ban Xia harmonizes rebellious qi, large-dose Tu Si Zi when maternal qi lacks. (Lewis)
- Early-pregnancy additions: Sang Ji Sheng, Da Zao, Ai Ye, E Jiao, Wu Zhu Yu: Early pregnancy: Sang Ji Sheng supports Jing, Da Zao calms the spirit, Ai Ye warms the uterus and pacifies the fetus, E Jiao nourishes blood, Wu Zhu Yu harmonizes. (Lewis)
- Jiao Ai Tang: Jiao Ai Tang nourishes blood and contains leakage for bleeding in pregnancy; watery/pink = qi deficiency, dark/clotted = stasis, bright red = heat. (Lewis)