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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
12/12/2012 |
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Data da última atualização: |
09/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
DAEMON, E.; MONTEIRO, C. M. O.; MATURANO, R.; SENRA, T. O. S.; CALMON, F.; FAZA, A.; PRATA, M. C. de A.; GEORGOPOULOS, S. L.; OLIVEIRA, L. F. C. DE. |
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Afiliação: |
ERIK DAEMON, UFJF; CAIO MATOS DE OLIVEIRA MONTEIRO, UFRRJ; RALPH MATURANO, UFRRJ; TATIANE DE OLIVEIRA SOUZA SENRA, UFJF; FERNANDA CALMON, UFJF; ALINE FAZA, UFJF; MARCIA CRISTINA DE AZEVEDO PRATA, CNPGL; STEFANOS LEITE GEORGOPOULOS, UFJF; LUIZ FERNANDO CAPPA DE OLIVEIRA, UFJF. |
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Título: |
Spectroscopic evaluation of thymol dissolved by different methods and influence of acaricidal activity against larvae of rhipicephalus microplus (Acari: ixodidae). |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Parasitology Research, v. 111, n. 5, p. 1901-1906, 2012. |
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DOI: |
https://doi.org/10.1007/s00436-012-3033-4 |
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Idioma: |
Inglês |
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Conteúdo: |
The acaricidal activity of three thymol formulations was investigated at five concentrations (1.25, 2.5, 5.0, 7.5, and 10.0 mg/ml) on Rhipicephalus microplus larvae, and the behavior of its solubility in these formulations was analyzed. The thymol was dissolved in distilled water plus 1 % dimethylsulfoxide as adjuvant under two heating regimes (water bath in formulation 1 and hot plate in formulation 2) as well as without heating in 50 % ethanol and 50 % water (v/v). The acaricidal activity was assessed by the modified larval packet test, and the solubilization behavior was investigated by ultraviolet-visible spectroscopy, based on the Beer-Lambert law. With formulations 1 and 2, the mortality was greater than 95 % starting at the thymol concentrations of 5.0 and 7.5 mg/ml, respectively, while with formulation 3, this mortality level was reached starting at a concentration of 2.5 mg/ml, showing that the addition of ethanol in the solution enhanced the acaricidal action of thymol. This result was supported by the LC 90 values, which were 3.3, 2.4, and 1.6 mg/ml of thymol for formulations 1, 2, and 3, respectively. This result is related to the better solubility of thymol in the hydroethanolic formulation, since the spectroscopic analysis revealed that the thymol dissolved more completely in this formulation. This fact was evident once the R (2) obtained from the linear regression analysis of the relation absorbance × concentration of the formulations 1, 2, and 3 approached the optimal value (R (2) = 1) in the following sequence: 1, 2, and 3 (0.717, 0.901, and 0.968, respectively). MenosThe acaricidal activity of three thymol formulations was investigated at five concentrations (1.25, 2.5, 5.0, 7.5, and 10.0 mg/ml) on Rhipicephalus microplus larvae, and the behavior of its solubility in these formulations was analyzed. The thymol was dissolved in distilled water plus 1 % dimethylsulfoxide as adjuvant under two heating regimes (water bath in formulation 1 and hot plate in formulation 2) as well as without heating in 50 % ethanol and 50 % water (v/v). The acaricidal activity was assessed by the modified larval packet test, and the solubilization behavior was investigated by ultraviolet-visible spectroscopy, based on the Beer-Lambert law. With formulations 1 and 2, the mortality was greater than 95 % starting at the thymol concentrations of 5.0 and 7.5 mg/ml, respectively, while with formulation 3, this mortality level was reached starting at a concentration of 2.5 mg/ml, showing that the addition of ethanol in the solution enhanced the acaricidal action of thymol. This result was supported by the LC 90 values, which were 3.3, 2.4, and 1.6 mg/ml of thymol for formulations 1, 2, and 3, respectively. This result is related to the better solubility of thymol in the hydroethanolic formulation, since the spectroscopic analysis revealed that the thymol dissolved more completely in this formulation. This fact was evident once the R (2) obtained from the linear regression analysis of the relation absorbance × concentration of the formulations 1, 2, and 3 approached th... Mostrar Tudo |
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Thesaurus Nal: |
Rhipicephalus microplus. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02430naa a2200241 a 4500
001 1942271
005 2024-02-09
008 2012 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s00436-012-3033-4$2DOI
100 1 $aDAEMON, E.
245 $aSpectroscopic evaluation of thymol dissolved by different methods and influence of acaricidal activity against larvae of rhipicephalus microplus (Acari$bixodidae).$h[electronic resource]
260 $c2012
520 $aThe acaricidal activity of three thymol formulations was investigated at five concentrations (1.25, 2.5, 5.0, 7.5, and 10.0 mg/ml) on Rhipicephalus microplus larvae, and the behavior of its solubility in these formulations was analyzed. The thymol was dissolved in distilled water plus 1 % dimethylsulfoxide as adjuvant under two heating regimes (water bath in formulation 1 and hot plate in formulation 2) as well as without heating in 50 % ethanol and 50 % water (v/v). The acaricidal activity was assessed by the modified larval packet test, and the solubilization behavior was investigated by ultraviolet-visible spectroscopy, based on the Beer-Lambert law. With formulations 1 and 2, the mortality was greater than 95 % starting at the thymol concentrations of 5.0 and 7.5 mg/ml, respectively, while with formulation 3, this mortality level was reached starting at a concentration of 2.5 mg/ml, showing that the addition of ethanol in the solution enhanced the acaricidal action of thymol. This result was supported by the LC 90 values, which were 3.3, 2.4, and 1.6 mg/ml of thymol for formulations 1, 2, and 3, respectively. This result is related to the better solubility of thymol in the hydroethanolic formulation, since the spectroscopic analysis revealed that the thymol dissolved more completely in this formulation. This fact was evident once the R (2) obtained from the linear regression analysis of the relation absorbance × concentration of the formulations 1, 2, and 3 approached the optimal value (R (2) = 1) in the following sequence: 1, 2, and 3 (0.717, 0.901, and 0.968, respectively).
650 $aRhipicephalus microplus
700 1 $aMONTEIRO, C. M. O.
700 1 $aMATURANO, R.
700 1 $aSENRA, T. O. S.
700 1 $aCALMON, F.
700 1 $aFAZA, A.
700 1 $aPRATA, M. C. de A.
700 1 $aGEORGOPOULOS, S. L.
700 1 $aOLIVEIRA, L. F. C. DE
773 $tParasitology Research$gv. 111, n. 5, p. 1901-1906, 2012.
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Embrapa Gado de Leite (CNPGL) |
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| Registros recuperados : 54 | |
| 7. |  | GARCIA, D. M.; CALIARI, M.; FONSECA, F. A. da; SOARES JUNIOR, M. S.; BASSINELLO, P. Z. Harvest season and head rice yield of upland rice cultivars submitted to parboiling. Revista Verde de Agroecologia e Desenvolvimento Sustentável, Mossoró, v. 7, n. 3, p. 176-182, jul./set. 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 5 |
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| 8. | | SOARES JUNIOR, M. S.; CALIARI, M.; BASSINELLO, P. Z.; FERNANDES, P. M.; BECKER, F. S. Características físicas, químicas e sensoriais de feijões crioulos orgânicos, cultivados na região de Goiânia-GO. Revista Verde de Agroecologia e Desenvolvimento Sustentável, Mossoró, v. 7, n. 3, p. 109-118, jul./set. 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 5 |
| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 10. | | CAMPOS, W. P.; SILVEIRA, M. A. da; CALIARI, M.; WANDER, A. E. Dichotomy between urban and rural areas: statistical data may not reveal the synergy between these two existing spaces. In: INTERNATIONAL CONFERENCE ON AGRICULTURAL STATISTICS, 6., 2013, Rio de Janeiro. Improving statistics for food security, sustainable agriculture, and rural development: linking statistics with decision making: proceedings. Rio de Janeiro: IBGE, 2015. p. 722. ICAS 2013.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 12. | | FERREIRA, K. C.; BENTO, J. A. C.; CALIARI, M.; BASSINELLO, P. Z.; BERRIOS, J. de J. Dry bean proteins: extraction methods, functionality, and application in products for human consumption. Cereal Chemistry, v. 99, n. 1, p. 67-77, Jan./Feb. 2022.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 17. | | GARCIA, D. M.; FONSECA, F. A.; BASSINELLO, P. Z.; SOARES JUNIOR, M. S.; CALIARI, M.; ARAÚJO, M. R. Aceitabilidade de arroz de terras altas parboilizado. In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS, 8., 2009, Campinas. Ciência de alimentos no mundo globalizado: novos desafios, novas perspectivas. Campinas: Unicamp, 2009. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 18. | | CALIARI, M.; PIRES, L. L.; BRAGANTINI, C.; FERNANDES, E. P.; SILVA, J. M. M.; CASTRO, F. V. Avaliação do efeito de diferentes condições de armazenamento na coloração do tegumento de feijões do grupo carioca. In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS, 6., 2005, Campinas. Ciência de alimentos abrindo caminhos para o desenvolvimento científico, tecnológico e industrial. Campinas: Unicamp, 2005.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 19. | | GARCIA, D. M.; FONSECA, F. A.; EIFERT, E. da C.; BASSINELLO, P. Z.; SOARES JUNIOR, M. S.; CALIARI, M. Composição centesimal de arroz de terras altas polido e submetido à parboilização. In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS, 8., 2009, Campinas. Ciência de alimentos no mundo globalizado: novos desafios, novas perspectivas. Campinas: Unicamp, 2009. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 20. | | SOARES JUNIOR, M. S.; BASSINELLO, P. Z.; CALIARI, M.; VELASCO, P.; REIS, R. C. dos; CARVALHO, W. T. de. Bebidas saborizadas obtidas de extratos de quirera de arroz, de arroz integral e de soja. Ciência e Agrotecnologia, v. 34, n. 2, p. 407-413, mar./abr. 2010.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Arroz e Feijão. |
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| Registros recuperados : 54 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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