Peucedanum root (Qianhu)
Pharmaceutical Name: Radix Peucedani
Botanical Name: 1. Peucedanum Praeruptorum Dunn.. 2. Peucedanum decursivum Maxim.
Common Name: Peucedanum root, Hogfennel root
Source of Earliest Record: Mingyi Bielu
Part Used: The roots are dug in winter or spring, and cleaned and dried in the sun. After the root bark has been removed, the roots are soaked in warm water and cut into slices.
Natural Properties & Taste: Bitter, pungent and slightly cold
1. To promote dispersing function of the lungs and clear heat.
2. To resolve phlegm and stop cough.
1. Phlegm-heat accumulating in the lungs manifested as cough with yellow and thick sputum. Peucedanum root (Qianhu) is used with Mulberry bark (Sangbaipi), Trichosanthes fruit (Gualou) and Tendrilled fritillary bulb (Chuanbeimu) in the formula Qianhu San.
2. Cough due to invasion by exogenous pathogenic wind and heat. Peucedanum root (Qianhu) is used with Mentha (Bohe), Arctium fruit (Niubangzi) and Platycodon root (Jiegeng).
Dosage: 6-10 g