Radix Amebiae seu Lithospermi


Root of Arnebia euchroma (Royle) Johnst. or Lithospermum erythrorhizon Sieb. et Zucc., family Boraginaceae.

A. euchroma: Root conical, purple-red, twisted, 7-20 cm in length, 1.0-2.5 cm in diameter; apex with divergent stem bases; epidermis loose, separating in more than ten layers; central xylem finely striped, yellow-white. Light and loose in texture. L. erythrorhizon: Root epidermis not separating in layers; rigid and brittle in texture. Both are bitter in taste, cold in nature, and attributive to heart and liver channels.

1. Clear away heat and cool the blood, promote blood circulation to remove blood stasis, remove toxic material and let out the skin eruption: For measles and other eruptive diseases with intense heat, incomplete and dark purple eruption; also for skin infection, eczema, bum.
2. Moisturize dryness to relax the bowels: For constipation of dryness- heat type.

Pharmacological Action
1. Inhibitory on the growth of chorio-epithelioma and sarcoma180, and also effective for acute lymphocytic leukemia.
2. Its ether or aqueous extract can decrease the permeability of capillaries and promote granulation and wound healing in experimental rats.
3. Feeding with diet containing 10% of Radix Arnebia can reduce reproduction and counter the activity of pituitary arid chorionic gonadotrophic hormone in experimental mice.

Administration Decoction: 3-9g.


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Mr. Wang Tao

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