Aster / Zi Wan / 紫菀
To eliminate phlegm and relieve cough.
100g (3.5oz) of the concentrated granules extracted from 500g of the raw herbs.
Dissolve 1-2 grams in a cup of hot water to make a tea 2-3 times daily.
Aster root (zi wan) (Aster tataricus rhizoma)