HomeTraditional Chinese Medicine HerbsEucommia Bark

Eucommia Bark

Name

Eucommia Bark

Latin Pharmaceutical Name

Eucommiae Cortex

Chinese Name

杜仲

Category

Tree barks and root barks

Eucommia BarkMore Info

Production Regions

Primarily produced in the Chinese provinces of Guizhou, Sichuan, Shaanxi, Hubei.

Macroscopic Features

Flat board shape or roll shape, uneven thickness and size, often about 3~10mm thick, 40~100cm long. Externally grayish-brown, rough, irregular longitudinal grooves and horizontally-oriented oblique square lenticels, some has pale gray lichen patches. Commercial material has the outer rough skin removed and is externally pale brown and relatively smooth. Inner surface is smooth and dark purple. Brittle and easily broken; fractured surface has silvery-white connected silk-like threads that are thin and dense, with slightly elasticity. faint odor; taste slightly bitter; gluey residue when chewed.

Quality Requirements

Superior medicinal material has large and thick cortex, cleaned rough skin, externally yellowish-brown, inner surface is black-brown and lustrous, large amount of white threads.

Properties

Sweet; warm.

Functions

Supplements the live and kidney, strengthens sinew and bone, calms the fetus. Apply to aching pain in the loins and knees, weakness of legs and knees, drenching and unsmooth urination, vaginal dampness and itch, fetal leakage and abortion, restless fetal movement, hypertension.

Origin

The dried tree barks of Eucommia ulmoides Oliv.(Eucommiaceae).

Eucommia BarkHerbs in the formula

Pubescent Angelica and Mistletoe Decoction

Action：Dispels wind-dampness, relieves pain, boosts the liver and kidney, supplements qi and blood.

Indication：This formula is indicated for long-term bi syndrome associated with deficiency of the liver and kidney and insufficiency of qi and blood. The symptoms include pain and flaccidity of the waist and knees, disorder of flexion and extension of the joints, numbness, fear of cold with a preference for warmth, palpitations, and shortness of breath. The tongue is pale with a white coating and the pulse is thready and weak.

View Details Dampclearing formulas

Right-Restoring Pill

Action：Warms and supplements kidney yang, supplements essence, and boosts marrow.

Indication：You Gui Wan is intended for patterns of kidney yang insufficiency and ming men fire deficiency marked by mental fatigue and general weakness due to aging or chronic disease, fear of cold, hypothermic limbs, sore loins, impotence, spermatorrhea, infertility, decreased food intake, unformed stools, urinary incontinence, a pale tongue with a white coating, and a deep, delayed pulse.

View Details Tonic formulas

Gastrodia and Uncaria Decoction

Action：Calms the liver and extinguishes wind, clears heat and invigorates blood, supplements and boosts the liver and kidney.

Indication：Tian Ma Gou Teng Yin is indicated for patterns of hyperactive liver yang and ascending liver wind. The symptoms are headache, dizziness and vertigo, insomnia with profuse dreaming; or a bitter taste in the mouth, flushed face, a red tongue with a yellow tongue coating, and a wiry or rapid pulse.

View Details Wind-calming formulas