The medicine for treating kidney asthenia is prepared with desert cistanche as main material as well as dodder seed, epimedium, astragalus root, dogwood and through washing, crushing, solvent extraction, concentration and other steps. The unique recipe is formed based on the principle of combining regulating, nourishing and treating; the low temperature and raw material extracting techinque maintains the bioactive components in Chinese medicinal material materials as far as possible and the quantitative analysis and identification method ensures the stable quality and obvious treating effect. |