Quick Facts
| Latin Name | Dentis Draconis |
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| Chinese Name & Pinyin | 龍齒 · Long Chi |
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| Medicinal Part | Minerals |
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| Efficacy Category | Mind-calming |
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| Botanical Origin | The fossilized tooth of ancient mammals such as Stegodon, Mastodon or Elephant (Elephantidae). |
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| Nature & Flavour | Sweet, Astringent; Cool |
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| Channels Entered | Heart, Liver |
What Is Long Chi?
Long Chi (Dragon Teeth (fossil)) is a medicinal herb of Traditional Chinese Medicine.
Primarily produced in Shanxi, Henan, Hebei, Inner Mongolia.
Nature & Flavour: Sweet, Astringent; Cool
Channels Entered: Heart, Liver
Long Chi: Materia Medica Profile
Identification & Quality Standard
Dentis Draconis
Botanical Origin
The fossilized tooth of ancient mammals such as Stegodon, Mastodon or Elephant (Elephantidae).
Production Regions
Primarily produced in Shanxi, Henan, Hebei, Inner Mongolia.
Quality Requirements
Superior is complete, heavy, clean, without sand.
Macroscopic Features
Irregular tooth-like pieces, 5~15cm. Externally grayish-white or dark brown, often with tooth root. Hard, heavy. Faint odor, tasteless.
Traditional TCM Properties
Sweet, Astringent; CoolHeartLiver
Traditional Functions
Settles fright and quiets the spirit, clears heat and removes vexation.
How Long Chi Is Used in TCM
In the Chinese materia medica, Long Chi is classified among the Mind-calming 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.