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| 8. |  | TEIXEIRA, F. C.; SILVEIRA, E. F. da; BEIRA, F. T. A.; DEL PINO, F. A. B.; BRAGANHOL, E.; VIZZOTTO, M. Compostos antioxidantes de extrato de maçã, cultivar gala, Promovem diminuição da viabilidade de melanoma em cultura e Induzem morte celular via processo de necrose. In: ENCONTRO DE PÓS-GRADUAÇÃO, 14., 2012, Pelotas. Anais... Pelotas: UFPel, 2012.| Biblioteca(s): Embrapa Clima Temperado. |
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| 10. | | MELLO, J. E. DE; LUDUVICO, K. P.; SANTOS, A. DOS; TEIXEIRA, F. C.; CARDOSO, J. DE S.; AGUIAR, M. S. S. DE; CUNICO, W.; VIZZOTTO, M.; STEFANELLO, F.; SPANEVELLO, R. Therapeutic potential of blackberry extract in the preventing memory defcits and neurochemical alterations in the cerebral cortex, hippocampus and cerebellum of a rat model with amnesia. Metabolic Brain Disease, v. 38, p. 1261–1272, 2023.| Biblioteca(s): Embrapa Clima Temperado. |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
|
Data corrente: |
29/06/2018 |
|
Data da última atualização: |
16/01/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 2 |
|
Autoria: |
FIGUEIREDO, A.; NASCIMENTO, L. M.; LOPES, L. G.; GIGLIOTI, R.; ALBUQUERQUE, R. D. D. G.; SANTOS, M. G.; FALCÃO, D. Q.; NOGUEIRA, J. A. P.; ROCHA, L.; CHAGAS, A. C. de S. |
|
Afiliação: |
Amanda Figueiredo, UNESP; Leonor M. Nascimento, UFRJ; Louyse G. Lopes, UNICEP; Rodrigo Giglioti, UNESP; Ricardo D. D. G. Albuquerque, UFRJ; Marcelo G. Santos, UERJ; Deborah Q. Falcão, UFF; Jeane A. P. Nogueira, UFRJ; Leandro Rocha, UFRJ; UFF; ANA CAROLINA DE SOUZA CHAGAS, CPPSE. |
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Título: |
First report of the effect of Ocotea elegans essential oil on Rhipicephalus (Boophilus) microplus. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Veterinary Parasitology, v.252, p.131-136, mar. 2018. |
|
DOI: |
https://doi.org/10.1016/j.vetpar.2018.02.018 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Rhipicephalus (Boophilus) microplus is responsible for reducing animal welfare, causing a drop in productive performance and transmitting hemoparasites. The main strategy of tick control is application of synthetic acaricides. However, parasite resistance to these compounds is a major concern. Therefore, the acaricidal and repellent in vitro effect of the Ocotea elegans essential oil on larvae and adult females of R. (B.) microplus were evaluated. The larval packet test (LPT), larval repellency test (RT) and adult immersion test (AIT) were performed. The essential oil was analyzed by gas chromatography (GC/FID) and the structure of the oil?s major constituent (92.2% sesquirosefuran) was elucidated by nuclear magnetic resonance. In the AIT, efficacy higher than 90% was detected from the concentration 25 mg/mL upward. In both LPTs performed after 48 h, only the 100 mg/mL concentration resulted in mortalities above 70%. On the other hand, the essential oil caused an average of 95.8% repellency from 0.78 to 100 mg/mL. The LC50 in the two LPT (48 h) tests were 59.68 and 25.59 mg/mL, respectively. The LC50 and LC90 in the AIT were 4.96 and 17.37 mg/mL, and in the RT they were 0.04 and 1.24 mg/mL respectively. We conclude that the essential oil of O. elegans leaves has a significant acaricidal effect on engorged females and on larval repellency of R. (B.) microplus ticks, and can be a promising alternative for the control of this ectoparasite. |
|
Palavras-Chave: |
Carrapato de gado; Controle alternativo; Repelência; Sesquirosefurano. |
|
Thesagro: |
Resistência. |
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Thesaurus NAL: |
Ticks. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/179297/1/Figueiredo-et-al-2018-Essential-oil-Ocotea.pdf
|
|
Marc: |
LEADER 02399naa a2200313 a 4500
001 2092933
005 2019-01-16
008 2018 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.vetpar.2018.02.018$2DOI
100 1 $aFIGUEIREDO, A.
245 $aFirst report of the effect of Ocotea elegans essential oil on Rhipicephalus (Boophilus) microplus.$h[electronic resource]
260 $c2018
520 $aRhipicephalus (Boophilus) microplus is responsible for reducing animal welfare, causing a drop in productive performance and transmitting hemoparasites. The main strategy of tick control is application of synthetic acaricides. However, parasite resistance to these compounds is a major concern. Therefore, the acaricidal and repellent in vitro effect of the Ocotea elegans essential oil on larvae and adult females of R. (B.) microplus were evaluated. The larval packet test (LPT), larval repellency test (RT) and adult immersion test (AIT) were performed. The essential oil was analyzed by gas chromatography (GC/FID) and the structure of the oil?s major constituent (92.2% sesquirosefuran) was elucidated by nuclear magnetic resonance. In the AIT, efficacy higher than 90% was detected from the concentration 25 mg/mL upward. In both LPTs performed after 48 h, only the 100 mg/mL concentration resulted in mortalities above 70%. On the other hand, the essential oil caused an average of 95.8% repellency from 0.78 to 100 mg/mL. The LC50 in the two LPT (48 h) tests were 59.68 and 25.59 mg/mL, respectively. The LC50 and LC90 in the AIT were 4.96 and 17.37 mg/mL, and in the RT they were 0.04 and 1.24 mg/mL respectively. We conclude that the essential oil of O. elegans leaves has a significant acaricidal effect on engorged females and on larval repellency of R. (B.) microplus ticks, and can be a promising alternative for the control of this ectoparasite.
650 $aTicks
650 $aResistência
653 $aCarrapato de gado
653 $aControle alternativo
653 $aRepelência
653 $aSesquirosefurano
700 1 $aNASCIMENTO, L. M.
700 1 $aLOPES, L. G.
700 1 $aGIGLIOTI, R.
700 1 $aALBUQUERQUE, R. D. D. G.
700 1 $aSANTOS, M. G.
700 1 $aFALCÃO, D. Q.
700 1 $aNOGUEIRA, J. A. P.
700 1 $aROCHA, L.
700 1 $aCHAGAS, A. C. de S.
773 $tVeterinary Parasitology$gv.252, p.131-136, mar. 2018.
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