Fructus Corni is the pulp of the ripe fruit of Cornus officinalis Sieb. et Zucc. ( Cornaceae,it is called dogwood fruit in English), which is removed its stones and produced mainly in Henan,Zhejiang and Shanxi provinces. It can supplement the liver and kidney,astringe essence and stem desertion.Pharmacological research on Fructus Corni has showed that it can regulate immune function of mice and decrease blood sugar in diabetic mice.But Cornus officinalis has many cultivated varieties in the main...