Quick Facts
| Latin Name | Junci Medulla |
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| Chinese Name & Pinyin | 燈心草 · Deng Xin Cao |
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| Medicinal Part | Whole herbs |
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| Efficacy Category | Dampness-draining |
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| Botanical Origin | The dried pith of Juncus effuses L.(Juncaceae). |
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| Nature & Flavour | Sweet, Bland; Slightly cold |
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| Channels Entered | Heart, Lung, Small Intestine |
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What Is Deng Xin Cao?
Deng Xin Cao (Common Rush Pith or Herba) is a medicinal herb of Traditional Chinese Medicine.
Primarily produced in the Chinese provinces of Jiangsu, Sichuan, Fujian.
Nature & Flavour: Sweet, Bland; Slightly cold
Channels Entered: Heart, Lung, Small Intestine
Deng Xin Cao: Materia Medica Profile
Identification & Quality Standard
Junci Medulla
Botanical Origin
The dried pith of Juncus effuses L.(Juncaceae).
Production Regions
Primarily produced in the Chinese provinces of Jiangsu, Sichuan, Fujian.
Quality Requirements
Superior medicinal material is long, thick, strong, white, flexible.
Macroscopic Features
Thin cylindrical, up to 90cm long, 1~3mm diameter; externally white or pale yellowish-white. Observed with magnification, one can see raised thin longitudinal wrinkles and sponge-like thin little holes, slightly lustrous. Light and soft texture, flexible, easily broken when pulled; fractured surface is not smooth, white. faint odor.
Traditional TCM Properties
Sweet, Bland; Slightly coldHeartLungSmall Intestine
Traditional Functions
Promotes urination, and clears heart fire.
How Deng Xin Cao Is Used in TCM
In the Chinese materia medica, Deng Xin Cao is classified among the Dampness-draining herbs.
Medical Disclaimer — This article is provided for educational purposes only and describes traditional Chinese medicine concepts. It is not medical advice, and it is not intended to diagnose, treat, cure or prevent any disease. Always consult a qualified practitioner before using any herb, particularly if you are pregnant, nursing, taking medication or managing a diagnosed condition.
