art Used & Method for Pharmaceutical Preparations:
The roots are dug in spring or winter. After the fibrous roots have been removed and the roots are dried in the sun, the dried roots are steamed or soaked. The core of the root is discarded, and the remaining root is cut into slices.
Properties and Taste:
Pungent, sweet and slightly warm
To tonify the kidneys and strengthen yang To dispel wind and transform dampness
Indications and Combinations:
1. Deficient kidney yang manifested as soreness and weakness in the lower back and knees, impotence, premature ejaculation, infertility, frigidity, irregular menstruation, and cold sensation and pain in the lower abdomen.
a) Impotence, premature ejaculation and infertility. *Use with Ginseng (Renshen), Cistanche (Roucongrong) and Dadder seed (Tusizi).
b) Soreness and weakness in lower back and knees. *Use with Teasel root (Xuduan) and Eucommia bark (Duzhong).
c) Irregular menstruation. *Use with Cinnamon bark (Rougui), Galangal rhizome (Gaoliangjiang) and Evodia fruit (Wuzhuyu).
2. Cold sensation and pain in the lumbar region and knees or motor impairment. *Use with Teasel root (Xuduan), Mulberry mistletoe (Sangjisheng) and Hypoglauca yam (Bixie).
This herb is contraindicated in cases with deficient yin with excessive fire, or damp-heat.