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Composition and acaricidal activity of laurus novocanariensis and laurus nobilis essential oils against psoroptes cuniculi / Fabio Macchioni in The journal of essential oil research, Vol. 18 N° 1 (Janvier-Fevrier 2006) 

Public ISBD [article]  in The journal of essential oil research > Vol. 18 N° 1 (Janvier-Fevrier 2006) . - pp. 111-114 Titre : Composition and acaricidal activity of laurus novocanariensis and laurus nobilis essential oils against psoroptes cuniculi Type de document : texte imprimé Auteurs : Fabio Macchioni, Auteur ; Stefania Perrucci, Auteur ; Pierluigi Cioni, Auteur Année de publication : 2006 Article en page(s) : pp. 111-114 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Psoroptes  cuniculi  Laurus  nobilis  Laurus  novocanariensis  Lauraceae  Acaricide  Essential  oil  composition  α-pinene  Sabinene  1,8  cineole  α-terpinyl  acetate Résumé : The major components of Laurus nobilis and L. novocanariensis leaf oils were identified and their acaricidal activity against Psoroptes cuniculi evaluated. Monoterpenes were predominant in L. nobilis oil (91.8%), while sesquiterpenes were only 1.4%. The main components of this oil were 1,8-cineole (39.2%), α-terpinyl acetate (11.3%), sabinene (10.6%) and linalool (7.4%). The acaricidal activity of L. nobilis oil, at a concentration of 10%, led to a mortality rate of 73%; at 5% the average activity was significantly reduced to 51%, while dilutions of 2.5%, 1.25% and 0.625% were ineffective. Laurus novocanariensis oil, compared to L. nobilis, was richer in sesquiterpenes; the main constituents were α-pinene (10.4%), 1,8-cineole (9.6%) and β-selinene (7.2%). After 24 h of contact, the oil of L. novocanariensis killed all the mites when used at 10% and 5% concentrations. At lower concentrations the mortality significantly decreased; a dilution of 0.625% was ineffective. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2006.9699403#.Ua8bl9gYrOk [article] Composition and acaricidal activity of laurus novocanariensis and laurus nobilis essential oils against psoroptes cuniculi [texte imprimé] / Fabio Macchioni, Auteur ; Stefania Perrucci, Auteur ; Pierluigi Cioni, Auteur . - 2006 . - pp. 111-114. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 18 N° 1 (Janvier-Fevrier 2006) . - pp. 111-114 Mots-clés : Psoroptes  cuniculi  Laurus  nobilis  Laurus  novocanariensis  Lauraceae  Acaricide  Essential  oil  composition  α-pinene  Sabinene  1,8  cineole  α-terpinyl  acetate Résumé : The major components of Laurus nobilis and L. novocanariensis leaf oils were identified and their acaricidal activity against Psoroptes cuniculi evaluated. Monoterpenes were predominant in L. nobilis oil (91.8%), while sesquiterpenes were only 1.4%. The main components of this oil were 1,8-cineole (39.2%), α-terpinyl acetate (11.3%), sabinene (10.6%) and linalool (7.4%). The acaricidal activity of L. nobilis oil, at a concentration of 10%, led to a mortality rate of 73%; at 5% the average activity was significantly reduced to 51%, while dilutions of 2.5%, 1.25% and 0.625% were ineffective. Laurus novocanariensis oil, compared to L. nobilis, was richer in sesquiterpenes; the main constituents were α-pinene (10.4%), 1,8-cineole (9.6%) and β-selinene (7.2%). After 24 h of contact, the oil of L. novocanariensis killed all the mites when used at 10% and 5% concentrations. At lower concentrations the mortality significantly decreased; a dilution of 0.625% was ineffective. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2006.9699403#.Ua8bl9gYrOk