What is Ox-Knee Root or Radix Achyranthis Bidentatae?

Modern Researches of Ox-knee Root.

Ox-Knee Root Extract Achyranthes bidentata Bl Radix Achyranthis Bidentatae Twotooth Achyranthes Root Cyathula Root Chuan Niu Xi Szechwan Ox Knee Root Extract photo picture image All the plants of the genera of Achyranthes L. and Cyathula Blume contain molting hormones. For example, ox-knee root (Radix Achyranthis Bidentatae) contains ecdysterone and inokosterone. Ox-knee root and Chuan ox-knee root also contain triterpenoid saponin which produces oleanolic acid after hydrolysis.

The extract of medicinal cyathula root (Radix Cyathulae) can resist fertility and implantation. Its benzene extract has the most hypotensive and diuretic effects.

Ox-knee root is divided into ox-knee root (Radix Achyranthis Bidentatae) and Chuan ox-knee root (medicinal cyathula root) (Radix Cyathulae), both of which have basically the same functions. But ox-knee root (Radix Achyranthis Bidentatae) is mainly used to nourish the liver and kidneys and strengthen bones and muscles and Chuan ox-knee root (medicinal cyathula root) (Radix Cyathulae) is mainly used to promote blood circulation by removing blood stasis.

In addition, there is another ox-knee root known as Tu ox-knee root, which is the root of a wild ox-knee variety of the ox-knee root (Radix Achyranthis Bidentatae) or that of the willowleaf ox-knee root (Radix Achyranthis Longifoliae), which has similar tastes, natures and functions to those of ox-knee root (Radix Achyranthis Bidentatae), but which is good at clearing away heat to soothe the throat and at promoting blood circulation to cure strangury. It is indicated for sore throat, diphtheria, aphthae, carbuncles and swelling and erysipelas and strangury. It is decocted in water or blended into juice for drinking.