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Chemical composition and toxicity of the essential oil of Cayratia japonica against two grain storage insects / Zhi Long Liu in The journal of essential oil research, Vol. 24 N° 3 (Juin 2012) 

Public ISBD [article]  in The journal of essential oil research > Vol. 24 N° 3 (Juin 2012) . - pp. 237-240 Titre : Chemical composition and toxicity of the essential oil of Cayratia japonica against two grain storage insects Type de document : texte imprimé Auteurs : Zhi Long Liu, Auteur ; Kai Yang, Auteur ; Fan Huang, Auteur Année de publication : 2012 Article en page(s) : pp. 237-240 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Cayratia  japonica  Sitophilus  zeamais  Tribolium  castaneum  Contact  toxicity  Essential  oil  composition Résumé : During our screening program for new agrochemicals from Chinese medicinal herbs, essential oil of Cayratia japonica aerial parts was found to possess strong insecticidal activities against Sitophilus zeamais and Tribolium castaneum. A total of 37 components of the essential oil were identified by gas chromatography (GC) and GC–mass spectrometry (GC–MS). Linalool (19.4%), trans-α-ionene (11.4%), α-terpineol (7.9%), dihydroactinolide (7.8%) and geranial (5.8%) were the main components of the essential oil. The essential oil exhibited strong fumigant toxicity against S. zeamais and T. castaneum adults with LC50 values of 10.05 and 15.67 mg/L air, respectively. Cayratia japonica essential oil also possessed contact toxicity against S. zeamais and T. castaneum adults with LD50 values of 32.06 and 44.49 mg/adult, respectively. The essential oil C. japonica may have potential to be developed as a new natural fumigant/insecticide for the control of stored-product insects. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/full/10.1080/10412905.2012.676765 [article] Chemical composition and toxicity of the essential oil of Cayratia japonica against two grain storage insects [texte imprimé] / Zhi Long Liu, Auteur ; Kai Yang, Auteur ; Fan Huang, Auteur . - 2012 . - pp. 237-240. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 24 N° 3 (Juin 2012) . - pp. 237-240 Mots-clés : Cayratia  japonica  Sitophilus  zeamais  Tribolium  castaneum  Contact  toxicity  Essential  oil  composition Résumé : During our screening program for new agrochemicals from Chinese medicinal herbs, essential oil of Cayratia japonica aerial parts was found to possess strong insecticidal activities against Sitophilus zeamais and Tribolium castaneum. A total of 37 components of the essential oil were identified by gas chromatography (GC) and GC–mass spectrometry (GC–MS). Linalool (19.4%), trans-α-ionene (11.4%), α-terpineol (7.9%), dihydroactinolide (7.8%) and geranial (5.8%) were the main components of the essential oil. The essential oil exhibited strong fumigant toxicity against S. zeamais and T. castaneum adults with LC50 values of 10.05 and 15.67 mg/L air, respectively. Cayratia japonica essential oil also possessed contact toxicity against S. zeamais and T. castaneum adults with LD50 values of 32.06 and 44.49 mg/adult, respectively. The essential oil C. japonica may have potential to be developed as a new natural fumigant/insecticide for the control of stored-product insects. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/full/10.1080/10412905.2012.676765