关键词: 中药材, 挥发油, 蠕形螨

Abstract:

　　【Abstract】　Objective　To extract and screen the volatile oil from Chinese crude medicines which can kill Human demodex  in  vitro.  Methods　The  mites  were  collected  with  cellophane  tape.  The  killing  effect  of  different  volatile  oils  to H.demodex was investigated by microscope. The Physiological saline and Xinfu Manling Ointment were selected as negative and positive controls, respectively. Results　The six volatile oils of Chinese crude medicines had good killing efficiency to Demodex folliculorum and D.brevis in vitro including clore, orange, cinnamon bark, clove and so on. The killing effect of volatile oil from clore and manchurian wldginger to the D.folliculorum was better than that to D.brevis. Conclusion　The six volatile oils from Chinese crude medicines had remarkable anti?mites activities in vitro.

Key words: Chinese crude drug, Volatile oil, Human demodex