Berberine hydrochloride is an isoquinoline alkaloid, which exists in many plants of 4 families and 10 genera,
such as Berberis family. Its appearance is yellow powder, odorless, and its taste is bitter.

Berberine hydrochloride has inhibitory effect on dysentery bacillus, Escherichia coli, pneumoniae diplococcus, staphylococcus
aureus, streptococcus, typhoid bacillus and amoeba.It has long been used as antipyretic and antibacterials in clinical practice.
It is often used in the treatment of bacterial dysentery, acute gastroenteritis, chronic cholecystitis and eye conjunctivitis, suppurative
otitis media and other diseases, and has a significant effect.