Quick Facts
| Latin Name | Natrii Sulfas Exsiccatus |
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| Chinese Name & Pinyin | 玄明粉 · Xuan Ming Fen |
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| Medicinal Part | Minerals |
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| Efficacy Category | Purgative |
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| Botanical Origin | The refined substance obtained from mang xiao that (Na2SO4·10H2O) has undergone efflorescence dehydrated from exposure to air; it primarily consists of Na2SO4. |
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| Nature & Flavour | Salty, Bitter; Cold |
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| Channels Entered | Stomach, Large Intestine |
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What Is Xuan Ming Fen?
Xuan Ming Fen (Weathered Sodium Sulfate) is a medicinal herb of Traditional Chinese Medicine.
Produced in most areas of China.
Nature & Flavour: Salty, Bitter; Cold
Channels Entered: Stomach, Large Intestine
Xuan Ming Fen: Materia Medica Profile
Identification & Quality Standard
Natrii Sulfas Exsiccatus
Botanical Origin
The refined substance obtained from mang xiao that (Na2SO4·10H2O) has undergone efflorescence dehydrated from exposure to air; it primarily consists of Na2SO4.
Production Regions
Produced in most areas of China.
Quality Requirements
Superior medicinal material has thin powder, white color, dry.
Macroscopic Features
Fine powder. White, not lustrous; opaque. Loose texture. faint odor, salty taste. Strongly absorbs moisture.
Traditional TCM Properties
Salty, Bitter; ColdStomachLarge Intestine
Traditional Functions
Drains downward and frees stools, moistens dryness and softens hardness, clears fire and reduces swelling.
How Xuan Ming Fen Is Used in TCM
In the Chinese materia medica, Xuan Ming Fen is classified among the Purgative 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.
