|
草烏 Caowu
Chinese Name |
草烏 |
|
Chinese Pinyin |
Caowu |
English Name |
Kusnezoff Monkshood Mother Root |
Latin Pharmaceutical Name |
Aconiti Kusnezoffii Radix |
Category |
Roots and rhizomes
|
Origin |
The dried tuberous root of Aconitum kusnezoffii Reichb. (Ranunculaceae). |
Production Regions |
Primarily produced in the Chinese provinces of Heilongjiang, Jilin, Liaoning, Hebei. |
Macroscopic Features |
Conical and slightly curved, shaped like raven’s head, 2~7cm long, 1~3cm diameter; apex has remnants of stems or stem scars about 1cm long. Externally dark brown or grayish-brown, wrinkled skin, sometimes with raised supporting roots. Hard and difficult to break, fractured surface is white or grayish-white, either polygonal or semi-circular cambium rings. Lacking odor; taste acrid and spicy, numbing to the tongue. |
Quality Requirements |
Superior medicinal material is large, fat an strong, hard texture, powdery, with few stem remnants and rootlets. |
Properties |
Acrid, bitter; hot; very toxic. |
Functions |
Dispels wind, eliminates dampness, warms the channels, relieves pain. Apply to wind cold and moisture impediment, pain joints, chest and abdominal cold pain, cold abdominal colic and pain, stops pain. |
Processed Form |
Zhi cao wu: Clean cao wu, bath in cold water, change the water 2~3 times a day, till slightly spicy and numbing when taste, boil with glycyrrhiza and black beans, till cao wu cooked completely. No white core, remove the glycyrhiza and black beans, sun-dry to 60% dry, covered moistening and slice (every 100 jin of cao wu, with 5 jin of glycyrrhiza and 10 jin of black beans). |
Technical Terms |
'Nail horn': This generally refers to bulbous growths of lateral roots that extend out from the edges of fu zi, chuan fu zi, and cao wu. |
|
|
|
|
Permanent URL:https://sys01.lib.hkbu.edu.hk/cmed/mmid/detail.php?pid=B00037
|
|