Caulis Mahoniae

 

Source
Stem of Mahonia bealei (Fort.) Carr. and other several species of the same genus, family Berberidaceae.

Characteristics
Stem irregular pieces, unequal in size, yellow, with longitudinal and transverse cracks on the cork, smooth when the crok is peeled off. Longitudinal section showing woody striae arranged in regular sequence; cross section showing concentric annular rings, densely radial vascular bundles, and deep coloured pith. Bitter in taste, cold in nature, and attributive to liver, stomach and large intestine channels.

Indication
1. Clear away heat and deprive dampness from middle-jiao: For diarrhea, dysentery, jaundice, stranguria, eczema, etc. of dampness-heat type.
2. Purge sthenic fire and clear away toxic materials: For skin infection, sorethroat, conjunctivitis, toothache and headache due to stomach-fire, hematemesis and hemoptysis due to heat-syndrome.

Pharmacological Action
Berberine is the main active component with an action similar to Rhizoma Coptidis (see p.547 ). Another active component, isotetrandrine, is an anticarcinogenic agent.

Administration Decoction: 9-15g.


   

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Mr. Wang Tao

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