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Eucommia Bark
Eucommia Bark
TMPW No.:10848

Latin name Eucommiae Cortex
Botanical source: Family name Eucommiaceae
Botanical source: Plant name Eucommia ulmoides Oliver (IPNI:554475-1)
Part used Bark
Empirical criteria for quality selection Good one has thick and moist bark. It produces lots of silver filiform threads when it is folded crosswise and stretched. (TN)
Constituents Other aliphatic and related compounds:
1-Deoxyeucommiol (leaf)

iridoids: Aucubin, Harpagide acetate, Ulmoside (=Aucubigenin-1-β-isomaltose), Geniposide, Geniposidic acid

Lignans & Neolignans:
d-Pinoresinol di-O-β-D-glucopyranoside, Liriodendrin, d-Pinoresinol O-β-D-glucopyranoside, d-Medioresinol di-O-β-D-glucopyranoside
Pharmacological effects Parasympathomimetic action (water extract).
Indications As a tonic, painkiller and antihypertensive, it is applied to deficiency of the kidney, pain of the knee and low back, back problem of pregnant women, weakness of legs, threatened abortion and hypertention.
Diseases Heaviness and powerlessness in lumber and knee, Lower back pain, Impotence, Frequent urination, Irregular vaginal bleeding, Habitual abortion, Threatened abortion, Hypertension
Formulas ishoho , kamishimotsuto , daibofuto
Meridian tropism Liver, Kidney
Property Warm
Flavor Sweet, Slightly acrid/pungent
Classification in "Shen-non Ben-cao Jing" Superior
TCM: Classification Tonics
TCM: Medicinal effects To tonify the liver and the kidney, to strengten the tendons and bones, and to prevent miscarriage.: For deficiency condition of the kidney marked by lumbago and lack of strength, threatened abortion, and hypertension.
Remarks Listed in the Japanese Pharmacopoeia 18th ed.
References TN: T. Namba & Y. Tsuda ed., Outline of Pharmacognosy, a Textbook, 3rd ed., Nankodo Co., Ltd., Tokyo, 1998.


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Institute of Natural Medicine,
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