Alkaloids such as veratridine,berberine,the alkaloids from Tripterygium wilfordii,and steroidal alkaloids have excellent insecticide activity.

• 黎芦碱、小蘖碱、雷公藤生物碱、甾醇生物碱均显示出良好的杀虫活性,番木鳖碱可用于灭鼠。