【摘 要】
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The essential oil extracted from Ligusticum jeholense Nakai et Kitagawa roots and rhizomes with hydrodistillation was investigated by gas chromatography-fla
【机 构】
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BeijingKeyLaboratoryofTraditionalChineseMedicineProtectionandUtilization,BeijingNormalUniversity,No.
【出 处】
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中华中医药学会中药化学分会第十届学术年会
论文部分内容阅读
The essential oil extracted from Ligusticum jeholense Nakai et Kitagawa roots and rhizomes with hydrodistillation was investigated by gas chromatography-flame ionization detector (GC-FID) and gas chromatography-mass spectrometry (GC-MS).The main components in the essential oil were 1,3-dimethyl-2,4(1H,3H)-quinazolinedione (33.95%), 3-butylidenephthalide (18.33%), spathulenol (8.90%), bicyclo[2.2.2]oct-5-en-2-ol (7.97%) and myristicin (6.76%).The essential oil were assayed to exhibit repellent activity.At the dose of 78.63 μg/cm2 , the essential oil showed 94% repellency (Class Ⅴ) against the Tribolium castaneum adults after 2 h treatment,while it showed 78% repellency (Class Ⅳ) against the Lasioderma serricorne adults after 2 h treatment.The results indicated that the essential oil have potential for development into natural repellents to control insects in stored products.
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