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Dioscoreae Nipponicae Rhizoma
Japanese dioscorea [root]
穿山龙 〔穿山龍〕 chuān shān lóng
Kingdom: Plant
Origin in unofficial sources: Dioscorea nipponica Mak.
Use: Medicinal
Category: Wind-damp–dispelling agents / Wind-cold-damp–dispelling agents
Properties: Bitter*; slightly cold*.
Channel entry: Liver and lung channels.
Actions and indications:
- Dispels wind and dampness; quickens the blood and frees the network vessels: Wind-damp impediment (fēng shī bì) pain; chest impediment (xiōng bì) and heart pain.
- Relieves cough and dispels phlegm: lung heat cough.
Dosage and method: Oral: Decoct 10–15g or use in pills and powders.
Production area: Most parts of China.
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