Nippon Yam Rhizome, Ningpo Yam Rhizome
Rhizoma Dioscoreae Nipponicae, Dioscoreae Nipponicae Rhizoma
Chuan Shan Long

About

Properties in Traditional Chinese Medicine

Sweet; bitter; warm

Part(s) used

Rhizome

Potential toxicity/side effects

Functions/effects it is traditionally believed to have

1. to promote blood circulation and dredge the channels. 2. to expel wind and dampness. 3. to eliminate phlegm, and relieve cough and dyspnea. 4. to clear toxic materials and relieve swelling.

Conditions/symptoms it is traditionally used to treat

1. its saponins are antitussives and expectorants.2. its decoction can relax histamine- or acetylcholine-induced bronchial spasm in guinea-pigs.3. decreasing cholesterol level, slowing heart rate and increasing coronary flow.4. anti-allergic.