ConclusionPsidium guajaual and Picrorhica scrophulariitlora Pennell destroyed cell membrane directly and exhibited effective trichomonacidal Blastocystis hominis action.

• 结论石榴根皮、胡黄连可直接作用于虫体表膜，具有较强的杀人芽囊原虫的作用。