Result All the extract and phillyrin have anti-bacteria effect in vitro, and the anti-bacteria effect of Folium Forsythia is stronger than that of Fructus forsythiae.

• 结果青翘、老翘、连翘叶提取物及连翘苷均有一定的抑菌作用,并且连翘叶的抑菌作用优于老翘及青翘。