Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/5660
Título: Toxic effects of three essential oils on Ceratitis capitata
Autor: Miguel, Maria Graça
Almeida, Lynette
Gonçalves, Maria Albertina
Figueiredo, Ana
Barroso, José
Pedro, Luís
Palavras-chave: Mediterranean fruit fly
Essential oils
Toxic effects
Mentha pulegium
Thymbra capitata
Thymus albicans
Ceratitis capitata
Data: 2010
Editora: Taylor & Francis
Citação: Jeobp 13 (2) 2010 pp 191 - 199
Resumo: The effects of different essential oils, rich in oxygen-containing monoterpenes, isolated from three aromatic plants largely spread in Algarve (southern Portugal) were observed on Ceratitis capitata adults. The isolation of the essential oils were carried out by hydrodistillation and analyzed by GC and GC-MS. The most effective, in terms of mortality rate, was the oil of Mentha pulegium, mainly constituted by menthol, menthone, isomenthone and pulegone. Over 90 % of mortality was achieved after 48 hours of exposure to this essential oil. The remaining oils were not so effective, though always significantly superior to the control. They were mainly constituted by carvacrol (Thymbra capitata) and 1,8-cineole (Thymus albicans). It remains to clarify if the toxicity is due to a fumigant effector oral toxicity of the essential oils of M. pulegium and Thymbra capitata, as soon after the exposure, the Mediterranean fruit fly showed evident signs of loss of motor coordination and difficulty in flying.
Peer review: yes
URI: http://hdl.handle.net/10400.1/5660
ISSN: 0972-060X
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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