Radix Ledebouriellae


The root of Ledebouriella divancata (Turcz.) Hiroe, family Umbelliferae.

Fleshy root, long-cylindrical, with many dense annular nodes at root stalk like an earthworm, named 'the head of an earthworm', setaceous leaf sheath bundles aild fibrous bundles usually remained at the ring nodes. Tissues loose, cracks and scattered brown small secretory oil spots in cross section. Acrid and sweet in taste, slightly warm in nature, and attributive to urinary bladder, liver and spleen channels.

1. Expel wind and induce sweating to expel the exogenous evils from the body surface: For common cold of wind-cold or wind-heat type, may be used together with other herbs, more effective for cases with headache and body aching also for urticaria and eczema.
2. Expel dampness and alleviate pain: For arthralgia of wind-cold-dampness type, headache and migraine.
3. Expel wind and relieve spasm: For tetanus, used together with Rhizoma Arisaematis, Rhizoma Gastrodiae, etc.
4. Clear away toxic materials: For chronic arsenism and mercurialism, usually used together with Radix Glycyrrhizae.

Pharmacological Action
1. Antipyretic: Oral use of decoction and alcoholic infusion (2.0g/kg) can lower vaccine-induced fever in rabbits.
2. Analgesic: Oral use of alcoholic infusion (21. 18g/kg) and subcutaneous injection (42.36g/kg) can alleviate pain.

Administration Decoction: 3-10g.


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Mr. Wang Tao

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