Zoological substancesMind-calmingOstrea Concha

Duan Mu Li (Calcined Oyster Shell)

煅牡蠣 · Duan Mu Li

Mind-calming herb in Traditional Chinese Medicine. Traditional functions: Astringes and secures, neutralizes acid and relieves pain.

Quick Facts

Latin NameOstrea Concha
Chinese Name & Pinyin煅牡蠣 · Duan Mu Li
Medicinal PartZoological substances
Efficacy CategoryMind-calming
Botanical OriginThe shell of Ostrea gigas Thunberg or Ostrea talienwhanensis Crosse (Ostreidae), calcined.
Nature & FlavourSalty; Slightly cold
Channels EnteredLiver, Gallbladder, Kidney

What Is Duan Mu Li?

Duan Mu Li (Calcined Oyster Shell) is a medicinal herb of Traditional Chinese Medicine.

Primarily produced in coastal areas: Guangdong, Fujian, Zhejiang, Shandong, Liaoning.

Nature & Flavour: Salty; Slightly cold
Channels Entered: Liver, Gallbladder, Kidney

Duan Mu Li: Materia Medica Profile

Identification & Quality Standard

Ostrea Concha

Botanical Origin

The shell of Ostrea gigas Thunberg or Ostrea talienwhanensis Crosse (Ostreidae), calcined.

Production Regions

Primarily produced in coastal areas: Guangdong, Fujian, Zhejiang, Shandong, Liaoning.

Quality Requirements

Superior is heavy, clean, grayish-white.

Macroscopic Features

Irregular pieces. After calcination, surface is grayish-white, brittle, porous. Faint odor, salty taste.

Traditional TCM Properties

Salty; Slightly coldLiverGallbladderKidney

Traditional Functions

Astringes and secures, neutralizes acid and relieves pain.

How Duan Mu Li Is Used in TCM

In the Chinese materia medica, Duan Mu Li 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.

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