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Du Zhong 500g Eucommia Bark Cortex Eucommiae
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杜仲
Naming
Du Zhong (Cortex Eucommiae)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)
Du Zhong Eucommia Bark Cortex Eucommiae
The Processing of 杜仲
Origin
The bark of the woody plants Eucommia ulmoides Oliv. of family Cortex Eucommiae.
Location
Mainly produced in Guizhou, Sichuan and Shaanxi provinces in China.
Harvest
Peeled the bark from April to June.
The actual smell and taste
Light smell and slightly bitter.
Best quality
Large, thick, the rough cover removed, black purple inner side and many threads in cross section.
Processing
Unprocessed or stir-baked with salt solution.
The Effect of 杜仲
Property
Sweet, warm; kidney and liver meridians entered.
Actions
Tonify liver and kidney, strengthen tendons and bones, and prevent abortion.
Indications
A. Deficiency of liver and kidney, soreness and pain in lumbar and knees, atrophy-flaccidity and limpness of lower limbs
It is an important herb for soreness and pain in lumbar and knees, atrophy-flaccidity and limpness of lower limbs caused by deficiency of liver and kidney, because it can tonify liver and kidney, strengthen tendons and bones. It could be used singly or combined with other herbs to tonify liver and kidney, strengthen tendons and bones, for instance, it is used with Hu Tao Rou and Bu Gu Zhi in the formula Qing E Wan from He Ji Ju Fang. For wind-cold attacking for a long time, deficiency of liver and kidney, soreness and pain in lumbar and knees, difficulty in bending and stretching of limbs, atrophy-flaccidity and limpness of limbs, it is combined with herbs of dispelling wind-cold, tonifying liver and kidney, strengthening tendons and bones. For instance, it is used with Du Huo, Sang Ji Sheng, Shu Di Huang and Niu Xi in the formula Du Huo Ji Sheng Tang from Qian Jin Fang.
In addition, it is indicated for impotence, seminal emission, spermatorrhea, enuresis and frequent urination due to kidney yang deficieny, but these symptoms are not its first indications, therefore, it needs to be combined with kidney yang-tonifying and essence-nourishing herbs, for instance, it is used with Fu Zi, Rou Gui and Shu Di Huang.
B. Threatened abortion, vaginal bleeding during pregnancy, habitual abortion due to liver and kidney deficiency
It is a common herb used for threatened abortion, vaginal bleeding during pregnancy, habitual abortion due to liver and kidney deficiency, insecurity of thoroughfare and conception vessels, because it can tonify liver and kidney, regulate and strengthen thoroughfare and conception vessels to prevent abortion. It could be used singly, or made into pill with Da Zao, or combined with herbs of tonifying liver and kidney, preventing abortion, tonifying qi, nourishing blood, for instance, it is used with Xu Duan, Tu Si Zi, and Sang Ji Sheng. For threatened abortion due to over-strain, it is combined with herbs to activate blood, nourish blood, prevent abortion, for instance, it is used with Dang Gui, Chuan Xiong, E Jiao, and Tu Si Zi.
Besides, it has good action of depressing blood pressure, and is commonly used for hypertension in modern clinic. It is very indicated for hypertension of liver and kidney deficiency type, used singly or in combinations, because it can tonify liver and kidney.
Dosage and Administrations
Decoct 10~15 g.
Quality Assurance
This bulk herb Du Zhong 杜仲 Eucommia Bark Cortex Eucommiae is of premium quality. Our bulk Chinese herbs are mostly wild harvested but some herbs are farm grown to protect their natural habitats and meet incremental market demands. The harvests of right species at proper maturity are identified by experienced professionals, cleaned, cut or sliced, and dried. Cases, special processing methods such as soaking with rice wine, steaming, roasting are applied as mandated by traditional Chinese medicine traditions to prepare the Chinese herbs to achieve desired properties, enhance efficacy, and reduce toxicity.
Warning
In the course of formulas to enhance each other's desirable action and to minimize any potential side effect. In TCM, Chinese herbs are mostly combined in the context of formulas to enhance each other's desirable action and to minimize any potential side effect.
杜仲
Naming
Du Zhong (Cortex Eucommiae)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)
Du Zhong Eucommia Bark Cortex Eucommiae
The Processing of 杜仲
Origin
The bark of the woody plants Eucommia ulmoides Oliv. of family Cortex Eucommiae.
Location
Mainly produced in Guizhou, Sichuan and Shaanxi provinces in China.
Harvest
Peeled the bark from April to June.
The actual smell and taste
Light smell and slightly bitter.
Best quality
Large, thick, the rough cover removed, black purple inner side and many threads in cross section.
Processing
Unprocessed or stir-baked with salt solution.
The Effect of 杜仲
Property
Sweet, warm; kidney and liver meridians entered.
Actions
Tonify liver and kidney, strengthen tendons and bones, and prevent abortion.
Indications
A. Deficiency of liver and kidney, soreness and pain in lumbar and knees, atrophy-flaccidity and limpness of lower limbs
It is an important herb for soreness and pain in lumbar and knees, atrophy-flaccidity and limpness of lower limbs caused by deficiency of liver and kidney, because it can tonify liver and kidney, strengthen tendons and bones. It could be used singly or combined with other herbs to tonify liver and kidney, strengthen tendons and bones, for instance, it is used with Hu Tao Rou and Bu Gu Zhi in the formula Qing E Wan from He Ji Ju Fang. For wind-cold attacking for a long time, deficiency of liver and kidney, soreness and pain in lumbar and knees, difficulty in bending and stretching of limbs, atrophy-flaccidity and limpness of limbs, it is combined with herbs of dispelling wind-cold, tonifying liver and kidney, strengthening tendons and bones. For instance, it is used with Du Huo, Sang Ji Sheng, Shu Di Huang and Niu Xi in the formula Du Huo Ji Sheng Tang from Qian Jin Fang.
In addition, it is indicated for impotence, seminal emission, spermatorrhea, enuresis and frequent urination due to kidney yang deficieny, but these symptoms are not its first indications, therefore, it needs to be combined with kidney yang-tonifying and essence-nourishing herbs, for instance, it is used with Fu Zi, Rou Gui and Shu Di Huang.
B. Threatened abortion, vaginal bleeding during pregnancy, habitual abortion due to liver and kidney deficiency
It is a common herb used for threatened abortion, vaginal bleeding during pregnancy, habitual abortion due to liver and kidney deficiency, insecurity of thoroughfare and conception vessels, because it can tonify liver and kidney, regulate and strengthen thoroughfare and conception vessels to prevent abortion. It could be used singly, or made into pill with Da Zao, or combined with herbs of tonifying liver and kidney, preventing abortion, tonifying qi, nourishing blood, for instance, it is used with Xu Duan, Tu Si Zi, and Sang Ji Sheng. For threatened abortion due to over-strain, it is combined with herbs to activate blood, nourish blood, prevent abortion, for instance, it is used with Dang Gui, Chuan Xiong, E Jiao, and Tu Si Zi.
Besides, it has good action of depressing blood pressure, and is commonly used for hypertension in modern clinic. It is very indicated for hypertension of liver and kidney deficiency type, used singly or in combinations, because it can tonify liver and kidney.
Dosage and Administrations
Decoct 10~15 g.
Quality Assurance
This bulk herb Du Zhong 杜仲 Eucommia Bark Cortex Eucommiae is of premium quality. Our bulk Chinese herbs are mostly wild harvested but some herbs are farm grown to protect their natural habitats and meet incremental market demands. The harvests of right species at proper maturity are identified by experienced professionals, cleaned, cut or sliced, and dried. Cases, special processing methods such as soaking with rice wine, steaming, roasting are applied as mandated by traditional Chinese medicine traditions to prepare the Chinese herbs to achieve desired properties, enhance efficacy, and reduce toxicity.
Warning
In the course of formulas to enhance each other's desirable action and to minimize any potential side effect. In TCM, Chinese herbs are mostly combined in the context of formulas to enhance each other's desirable action and to minimize any potential side effect.
CN, Fu Jian
