Cortex Phellodendri


Bark of Phellodendron chinense Schneid. or P. amurense Rupr., family Rutaceae.

Bark yellow, lamellar, unequal in length and width, 2-6 mm thick. Outer surface yellow-brown, flat or longitudinally grooved when cork peeled off. Inner surface densely longitudinally striated. Cross section surface fibrous and lamellar. Prepared as crosscut fine strips. Bitter in taste, cold in nature, and attributive to kidney, urinary bladder and large intestine channels.

1. Clear away heat and deprive dampness from middle-jiao; For diarrhea, dysentery, jaundice, leucorrhagia, stranguria, edema of lower limbs, prurigo, etc. of dampness-heat type.
2. Purge the sthenic fire and clear away toxic materials: For skin infection, furunclosis complicated by septicemia, bum, and seasonal febrile diseases.
3. Purge the kidney-fire and reduce asthenia-heat: For syndrome of fire-hyperactivity and yin-deficiency manifestated as hectic fever, night sweat, emission and red-dry tongue.

Pharmacological Action
Berberine is the main active component with an action similar to Rhizoina Coptidis.

Administration Decoction: 3-9g.


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Mr. Wang Tao

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