In this paper,we adopt the filter paper to study antibiotic function of different component of Flos Paulowniae which is extracted by ethanol and water.

• 本文首次采用滤纸片法对泡桐花提取液的不同萃取部分进行了体外抑菌试验并用紫外分光光度法对泡桐花的花冠和花萼中总黄酮含量进行了测定。