Citron Fruit is the dried ripe fruit of Citrus medica L. or
Citrus wilsonii Tanaka (Fam. Rutaceae).
To regulate the flow of qi in the liver,
spleen and stomach, and to resolve phlegm.
Stagnation of qi in the liver and stomach manifested
by distending pain in the chest and hypochodria, fullness
and stuffiness sensation in the epigastrium, vomiting and
belching; cough with copicus expectoration.