Aster Root (Zi Wan)
|Pharmaceutical Name:||Radix Asteris|
|Botanical Name:||Aster tataricus L. f.|
|Common Name:||Aster root
Purple aster root
|Source of Earliest Record:||Shennong Bencao Jing|
|art Used & Method for Pharmaceutical Preparations:||The roots, or rhizomes, are dug in spring or autumn. Then they are cleaned, dried in the sun and cut into pieces.|
|Properties and Taste:||Sweet, bitter and very cold|
|Functions:||To resolve phlegm and stop cough|
|Indications and Combinations:||Cough:
a) Cough due to invasion by exogenous pathogenic factors manifested as cough with profuse sputum.
*Use with Schizonepeta (Jing jie) and Swallowwort (Bai qian).
b) Cough due to deficiency of the lungs manifested by scanty sputum or with bloody sputum.
*Use with Anemarrhena rhizome (Zhi mu), Tendrilled fritillary bulb
(Chuan bei mu) and Donkey hide gelatin (E jiao) in the formula Ziwan Tang.