Chemija / Chemistry
 ISSN 0235-7216 ISSN 2424-4538 (online) |
2012 m. Nr. 2 Chemical composition and insecticidal activity of Heracleum moellendorffii Hance essential oil
Water-distilled essential oil from Heracleum moellendorffii Hance (Apiaceae) flowering aerial parts was analysed by GC-MS for the first time. Fourty-one components comprising 98.7% of the total oil were identified, of which apiol (11.0%), β-pinene (9.2%), α-terpineol (7.5%), myristicin (7.1%), osthole (6.1%) and (E)-anethole (5.2%) were found to be the major components. The essential oil of H. moellendorfii showed moderate contact toxicity against Sitophilus zeamais and Tribolium castaneum adults with LD50 values of 27.19 μg/adult and 23.01 μg/adult, respectively. The essential oil of H. moellendorffii also possessed fumigant toxicity against S. zeamais and T. castaneum adults with LC50 values of 23.14 mg/L air and 12.09 mg/L air, respectively.
Keywords: Heracleum moellendorffii, Sitophilus zeamais, Tribolium castaneum, fumigant, contact toxicity, essential oil composition |
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