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Zi Wan

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Name: Purple Aster Root (紫菀)

Pinyin: Zi Wan

Pharm. Name: Radix Asteris

Properties:

Taste

Organs

Dosage

Sweet, Bitter
Acrid

Lung

3-10g

 

Description:

The dry root and Rhizoma of the perennial herbaceous plant “Aster Tataricus”. It is often used after stir-baked with honey. Being sweet in flavor, it is moistening. Being bitter in flavor, it is purging. It is pungent and warm without dryness. So, it is good at directing qi downward also moistening lung to stop cough and resolving phlegm, it is combined with herbs to treat a cough with phlegm caused by external contraction or internal injury, or cold and heat, or deficiency and excess syndromes. For cough due to wind-cold with symptoms of persistent cough and dryness phlegm, it is often combined with wind-cold-dispersing herbs and lung-ventilating to resolve phlegm and stop cough herbs, such as Jing Jie and Jie Ging and so on.

 

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