Pharmaceutical Name: |
Cortex Eucommiae |
Botanical Name: |
Eucommia ulmoides oliv. |
Common Name: |
Erythrina bark, Coralbean bark |
Source of Earliest Record: |
Shennong Bencao Jing |
art Used & Method for Pharmaceutical Preparations: |
The bark is gathered in summer and autumn. The rough bark is removed and discarded, and then the smooth bark is dried in the sun. |
Properties and Taste: |
Sweet and warm |
Meridian: |
Liver and kidney |
Functions: |
To tonify liver and kidneys and strengthen bones and tendons To calm the fetus to prevent miscarriage |
Indications and Combinations: |
1. Deficiency of liver and kidneys manifested as soreness and pain in the lower back and knees. *Use with Psoralea fruit (Buguzhi) and Walnut seed (Hutaoren).
2. Impotence due to deficient kidneys. *Use with Dogwood fruit (Shanzhuyu), Dadder seed (Tusizi) and Schisandra fruit (Wuweizi).
3. Threatened abortion or restlessness of fetus manifested as lower abdominal pain and uterine bleeding. *Use with Teasel root (Xuduan) and Dioscorea (Shanyao).
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Dosage: |
10-15 g |
Cautions: |
The fried herb is more effective than the raw herb. Eucommia bark (Duzhong) is contraindicated in cases with deficiency of yin with excessive fire. |