贵州医科大学学报

2016, v.41;No.185(02) 162-165+169

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两种植物精油对白纹伊蚊的熏杀及酯酶活性的影响
Effect of Two Plant Essential Oils on Fumigating Insecticidal Activities of Aedes Albopictus and Esterase Activity

周长荣,温小军,刘磊
ZHOU Changrong,WEN Xiaojun,LIU Lei

摘要(Abstract):

目的:测定珊瑚姜精油和樟树叶精油对白纹伊蚊雌性成蚊的熏杀活性及熏杀蚊虫的作用机理。方法:用水蒸汽蒸馏法提取珊瑚姜块茎精油和樟树鲜叶精油,三角瓶法测定两种精油对白纹伊蚊雌性成蚊的熏杀活性,微板法检测两种精油对白纹伊蚊乙酰胆碱酯酶(ACh E)和非特异性酯酶(NSE)活性的影响。结果:珊瑚姜精油和樟树叶精油对白纹伊蚊24 h熏蒸LC50分别是80.208μg/cm3、20.709μg/cm3;在78.696μg/cm3和31.976μg/cm3剂量下,珊瑚姜精油和樟树叶精油对白纹伊蚊的KT50分别为35.759 min和6.341 min;两种植物精油对白纹伊蚊ACh E均有抑制作用,酶活性抑制率分别为29.97%和4.03%;两种精油对白纹伊蚊的NSE有促进作用,酶活性增长率分别为21.55%和18.62%。结论:樟树叶精油更适宜作为植物源灭蚊产品的基础材料。
Objective: To investigate the fumigating insecticidal activities of essential oils extracted from Zingiber corallinum Hance and fresh leaves of Cinnamomum camphora( L.) against the female adult mosquitoes of Aedes albopictus and the fumigant mechanism. Methods: Essential oils were extracted from roots of Zingber corallinum Hance and fresh leaves of Cinnamomum camphora by steam distillation. The fumigating activities of these essential oils against Aedes albopictus were measured by erlenmeyer flask method. The activation changes of acetylcholinesterase( Ach E) and non-specific esterase(NSE) of the female adults mosquitoes of Aedes albopictus fumigant treated with two essential oils were measured by the microplate assay. Results: The LC50 values of Zingber corallinum Hance and Cinnamomum camphora against Aedes albopictus at 24 h were 80. 208 μg / cm3、20. 709 μg /cm3 respectively.The KT50 values of Zingiber corallinum Hance and fresh leaves of Cinnamomum camphora( L.) against the female adults mosquitoes of Aedes albopictus at fumigating concentration 78. 696 and 31. 976μg / cm3 were 35. 759 and 6. 341 min respectively. The acetylcholinesterase of Aedes albopictus which was treated by Zingiber corallinum Hance and fresh leaves of Cinnamomum camphora( L.) was inhibited. The reduced rates were 29. 97% and 4. 03%. The esterase activity increased rates were 21. 55%and 18. 62%. Conclusion: The results indicate that extracted oil from Cinnamomum camphora( L.)is effective potential mosquitocide.

关键词(KeyWords): 伊蚊属;植物精油类;熏杀活性;乙酰胆碱酯酶;非特异性酯酶
Aedes albopictus;plant essential oils;fumigating insecticidal activity;acetylcholinesterase;non-speci esterase

Abstract:

Keywords:

基金项目(Foundation): 贵州省科技厅与贵州医科大学联合基金[黔科合LG字(2012)15号]

作者(Author): 周长荣,温小军,刘磊
ZHOU Changrong,WEN Xiaojun,LIU Lei

DOI: 10.19367/j.cnki.1000-2707.2016.02.010

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