期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 17, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/ijms17111836
关键词
Cinnamomum camphora; Tribolium castaneum; Lasioderma serricorne; fumigant activity; contact activity
资金
- Fundamental Research Funds for the Central Universities
- National Key Research and Development Program [2016YFC0500805]
To investigate the chemical composition and insecticidal activity of the essential oils of certain Chinese medicinal herbs and spices, the essential oils were extracted from the stem barks, leaves, and fruits of Cinnamomum camphora (L.) Presl, which were found to possess strong fumigant toxicity against Tribolium castaneum and Lasioderma serricorne adults. The essential oils of the plants were extracted by the method of steam distillation using a Clavenger apparatus. Their composition was determined by gas chromatography/mass spectrometric (GC-MS) analyses (HP-5MS column), and their insecticidal activity was measured by seal-spaced fumigation. D-camphor (51.3%), 1,8-cineole (4.3%), and alpha-terpineol (3.8%), while D-camphor (28.1%), linalool (22.9%), and 1,8-cineole (5.3%) were the main constituents of its fruits. The essential oils of the C. camphora all showed fumigant and contact toxicity. Other compounds exhibited various levels of bioactivities. The results indicate that the essential oils of C. camphora and its individual compounds can be considered a natural resource for the two stored-product insect management.
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