Eucommia Bark (Duzhong)
|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).
|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.|