Cortex Hibisci


Bark ofilibiscus syriacus L., family Malvaceae.

Bark slenderly grooved or quilled, varying in size, 1-2 mm thick. Outer surface green-grey, with fine and longitudinal striae and finely spotted lenticels and protruding node scars and bud scars; inner surface yellow-white, smooth, with very fine longitudinal striae. Firm and tough in texture. Fracture surface fibrous. Prepared as rolled strips. Sweet in taste, mild in nature, and attributive to large and small intestine channels.

Clear away heat and toxic material, kill parasite and alleviate itching: External use for tinea; internal use for leucorrhagia and dysentery.

Pharmacological Action
Its alcoholic infusion inhibits the growth of Staphylococcus aureu, Bacillus subtilis, Bacillus dysenteriae and Proteus in vitro.

Administration Decoction: 3-9g.
External use: Appropriate amount.


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Mr. Wang Tao

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