Radix Isatidis

 

Source
Root of Isatis tinctoria L., family Cruciferae, or Baphicacanthus cusia (Nees) Brem, family Acanthaceae.

Characteristics
L tinctoria: Root slender-linear; 10-20 cm long and 0.5-1.0 cm in diameter; root stock marked by petiole basal traces and dense tuberdes; epidermis grey-yellow, with transversely long lenticels. B. cusia: Root irregularly branching, unequal in length, 0.5-1.0 cm in diameter, with grey-blue and lustrous surface. Bitter in taste, cold in nature, and attributive t9 heart and lung channels.

Indication
Similar to Folium Isatidis, but lesser bitter in flavour and cold in nature, usually used for seasonal febrile diseases, pestilence, mumps, eruptive diseases, inflammatory diseases with redness of skin, sorethroat, etc.

Pharmacological Action
I. Clinically effective on influenza and experimentally virustatic on influenza virus PR8.
2. Its component, indican, is bacteriostatic.

Administration Decoction:15-30g.


   

Please feel free to contact
Mr. Wang Tao

E-mail:
herb@damo-qigong.net
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