Chemical Composition and Bioactivity of Essential Oil of Atalantia guillauminii against Three Species Stored Product Insects

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  • Yang Kai
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • You Chun-Xue
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • Wang Cheng-Fang
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University Key Laboratory of Radiological Protection and Nuclear Emergency Chinese Center for Disease Control and Prevention
  • Lei Ning
    Department of Pharmacy General Hospital of Second Artillery, PLA, Haidian District
  • Guo Shan-Shan
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • Geng Zhu-Feng
    Analytical and Testing Center, Beijing Normal University, Haidian District
  • Du Shu-Shan
    Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University
  • Ma Ping
    Department of Pharmacy General Hospital of Second Artillery, PLA, Haidian District
  • Deng Zhi-Wei
    Analytical and Testing Center, Beijing Normal University, Haidian District

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  • Chemical Composition and Bioactivity of Essential Oil of <i>Atalantia guillauminii</i> against Three Species Stored Product Insects

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The toxic and repellent activities of the essential oil extracted from the leaves of Atalantia guillauminii Swingle were evaluated against three stored product insects, red flour beetles (Tribolium castaneum), cigarette beetles (Lasioderma serricorne) and booklice (Liposcelis bostrychophila). The essential oil obtained by hydrodistillation was investigated by GC-MS. The main constituents of the essential oil were β-thujene (27.18%), elemicin (15.03%), eudesma-3, 7(11)-diene (9.64%), followed by (-)-4-terpeniol (6.70%) and spathulenol (5.25%). The crude oil showed remarkable contact toxicity against T. castaneum, L. serricorne adults and L. bostrychophila with LD50 values of 17.11, 24.07 µg/adult and 55.83 µg/cm2 respectively and it also displayed strong fumigant toxicity against T. castaneum, L. serricorne adults with LC50 values of 17.60 and 12.06 mg/L respectively, while weak fumigant toxicity against L. bostrychophila with a LC50 value of 16.75 mg/L. Moreover, the essential oil also exhibited the same level repellency against the three stored product insects, relative to the positive control, DEET. At the same concentrations, the essential oil was more repellent to T. castaneum than to L. serricorne. Thus, the essential oil of A. guillauminii may be potential to be developed as a new natural fumigant/repellent in the control of stored product insects.

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