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논문 기본 정보

자료유형
학술저널
저자정보
Jeon, Ju-Hyun (Department of Bioenvironmental Chemistry and Institute of Agricultural Science & Technology, College of Agriculture & Life Science, Chonbuk National University) Kim, Min-Gi (Department of Bioenvironmental Chemistry and Institute of Agricultural Science & Technology, College of Agriculture & Life Science, Chonbuk National University) Lee, Hoi-Seon (Department of Bioenvironmental Chemistry and Institute of Agricultural Science & Technology, College of Agriculture & Life Science, Chonbuk National University)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제56권 제5호
발행연도
2013.1
수록면
591 - 596 (6page)

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The insecticidal activities of active component isolated from Ruta chalepensis L. (Rutales: Rutaceae) leaves and its derivatives were examined using fumigant and contact toxicity methods against rice weevil, Sitophilus oryaze L. (Coleoptera: Curculionidae) adults. Administering the chloroform fraction of the methanol extract resulted in 87.7% mortality at $1.02mg/cm^2$ against S. oryzae adults, using a fumigant method. The insecticidal constituent of R. chalepensis leaves was isolated by chromatographic techniques, and identified as quinoline-4-carbaldehyde ($C_{10}H_7NO$). Based on the $LD_{50}$ values, the most toxic compound against S. oryzae was quinoline ($0.063mg/cm^2$), followed by quinoline-4-carbaldehyde ($0.084mg/cm^2$), and quinoline-3-carbaldehyde ($0.173mg/cm^2$) using the fumigant method. In the contact method, the most active compound against S. oryzae was quinoline ($0.057mg/cm^2$), followed by quinoline-4-carbaldehyde ($0.065mg/cm^2$), and quinoline-3-carbaldehyde ($0.092mg/cm^2$). Changing the position of aldehyde groups in the quinoline skeleton increases the insecticidal activities against S. oryzae. Furthermore, these results suggest that naturally occurring quinoline-4-carbaldehyde and its derivatives could have potential for managing populations of insect pests affecting stored food products.

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