Acaricidal activity of butylidenephthalide identified in Cnidium officinale rhizome against Dermatophagoides farinae and Dermatophagoides pteronyssinus (Acari: Pyroglyphidae)

被引:56
作者
Kwon, JH [1 ]
Ahn, YJ [1 ]
机构
[1] Seoul Natl Univ, Sch Agr Biotechnol, Suwon 441744, South Korea
关键词
natural acaricide; natural fumigant; Dermatophagoides farinae; Dermatophagoides pteronyssinus; Cnidium officinale; butylidenephthalide; mode of action; poisoning symptom;
D O I
10.1021/jf020293a
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
The acaricidal activity of materials derived from the rhizome of Cnidium officinale against adults of Dermatophagoides farinae, and Dermatophagoides pteronyssinus was examined using direct contact application and fumigation methods and compared with that of benzyl benzoate and N,N-diethyl-m-toluamide (DEET). The active constituent of the Cnidium rhizome was identified as butylidenephthalide by spectroscopic analyses. Responses varied with dose. On the basis of 24-h LD50 values, the acaricidal activity of butylidenephthalide (6.77 mug/cm(2)) against D. farinae adults was comparable to that of benzyl benzoate (8.54 mug/cm(2)). Very low activity was observed with DEET (37.59 mug/cm(2)). Against D., pteronyssinus adults, butylidenephthalide (6.46 mug/cm(2)) and benzyl benzoate (6.68 mug/cm(2)) were equitoxic. DEET (17.98 mug/cm(2)) was relatively inactive. The typical poisoning symptom of butylidenephthalide was lethargy of treated mites, leading to death without knockdown, whereas benzyl benzoate and DEET caused death,following uncoordinated behavior. In a fumigation test with both mite species, butylidenephthalide was much more effective in closed containers than open ones. Naturally occurring C. officinale rhizome-derived materials merit further study as potential house dust mite control agents or lead compounds.
引用
收藏
页码:4479 / 4483
页数:5
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