/img alt="Imagem da capa" class="recordcover" src="""/>
Artigo
Atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (Lonchocarpus floribundus) sobre carrapato bovino
Ethylic acetate, ethanolic and aqueous roots extracts of Lonchocarpus floribundus were used to evaluate their biological activity on cattle tick Rhipicephalus (Boophilus) microplus. Adult ticks were collected in artificially infested cattle, separated into groups of ten individuals, weighed and imme...
Autor principal: | Machado, Aaron Ferreira |
---|---|
Outros Autores: | Silva, Ademir Castro E, Ribeiro, Helena Camarão Telles, Procópio, Aldo Rodrigues de Lima, Pinheiro, Carlos Cleomir de Souza, Martins, João Ricardo de Souza, Silva, Wilson Castro |
Grau: | Artigo |
Idioma: | pt_BR |
Publicado em: |
Acta Amazonica
2020
|
Assuntos: | |
Acesso em linha: |
https://repositorio.inpa.gov.br/handle/1/13623 |
id |
oai:repositorio:1-13623 |
---|---|
recordtype |
dspace |
spelling |
oai:repositorio:1-13623 Atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (Lonchocarpus floribundus) sobre carrapato bovino Biological activity of ethylic acetate, ethanolic and aqueous extracts of timbo (Lonchocarpus floribundus) on cattle tick Machado, Aaron Ferreira Silva, Ademir Castro E Ribeiro, Helena Camarão Telles Procópio, Aldo Rodrigues de Lima Pinheiro, Carlos Cleomir de Souza Martins, João Ricardo de Souza Silva, Wilson Castro Vegetable Extracts Tick Engorged Females Rhipicephalus (boophilus) Microplus Extratos Vegetais Carrapato Fêmeas Ingurgitadas Rhipicephalus (boophilus) Microplus Ethylic acetate, ethanolic and aqueous roots extracts of Lonchocarpus floribundus were used to evaluate their biological activity on cattle tick Rhipicephalus (Boophilus) microplus. Adult ticks were collected in artificially infested cattle, separated into groups of ten individuals, weighed and immersed separately in the extracts of L. Floribundus roots at concentrations of 5, 25, 50, 75 and 100 mg mL-1. For biological evaluation 14-21-day-old larvae were used, which were immersed in the extracts at concentrations of 1, 5, 10, 15 and 20 mg mL-1. After treatment, each group was placed in a Petri dish and maintained at 27 ± 1 ºC and 80 ± 5% relative humidity. The extracts evaluated were not effective to induce mortality of over 50%-engorged female. The ethylic acetate and ethanolic extracts induced 100% mortality of larvae. The ethanolic extract was more toxic (median lethal concentration, LC50, of 2.1 mg mL-1) than the ethylic acetate extract (LC50 = 4.1 mg mL-1). For the ethanolic extract it was estimated a median inhibitory concentration (IC50) of 3.0 mg mL-1 and it was more toxic than the other extracts on this parameter. Among the three extracts evaluated, the ethylic acetate and ethanolic extracts showed the highest potential for the control of reproduction of R. (B.) microplus, reaching 100% at concentration of 5 mg mL-1. The L. Floribundus root extracts showed biological activity on cattle tick. Os extratos acetato de etila, etanólico e aquoso de raízes de Lonchocarpus floribundus foram utilizados, a fim de avaliar a atividade biológica sobre carrapato bovino. Carrapatos adultos foram coletados em bovinos infestados artificialmente, separados em grupos de dez indivíduos, pesados e imersos, separadamente, nos extratos de raízes de L. Floribundus, nas concentrações de 5, 25, 50, 75 e 100 mg mL-1. Para a avaliação em larvas, foram utilizados indivíduos de 14 a 21 dias, os quais foram imersos nos extratos nas concentrações de 1, 5, 10, 15 e 20 mg mL-1. Após o tratamento, cada grupo foi colocado em placa de Petri e incubado a 27 ± 1 ºC e umidade relativa de 80 ± 5%. Os extratos avaliados não foram eficazes para induzir, acima de 50%, a mortalidade de fêmeas ingurgitadas. Os extratos acetato de etila e etanólico induziram 100% de mortalidade de larvas. Entretanto, quanto aos valores de concentração letal mediana (CL50), o extrato etanólico (CL50 = 2,1 mg mL-1) foi mais tóxico que o extrato acetato de etila (CL50 = 4,1 mg mL-1). O extrato etanólico estimou concentração inibitória mediana (CI50) de 3,0 mg mL-1 e foi mais tóxico que os demais extratos quanto a este parâmetro de avaliação. Entre os três extratos avaliados, os extratos acetato de etila e etanólico apresentaram os melhores resultados quanto ao controle de reprodução de R. (B.) microplus, atingindo 100% na concentração de 5 mg mL-1. Os extratos de raízes de L. Floribundus apresentaram atividade biológica sobre carrapato bovino. 2020-04-24T15:34:23Z 2020-04-24T15:34:23Z 2013 Artigo https://repositorio.inpa.gov.br/handle/1/13623 10.1590/S0044-59672013000200002 pt_BR Volume 43, Número 2, Pags. 135-142 Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ application/pdf Acta Amazonica |
institution |
Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional |
collection |
INPA-RI |
language |
pt_BR |
topic |
Vegetable Extracts Tick Engorged Females Rhipicephalus (boophilus) Microplus Extratos Vegetais Carrapato Fêmeas Ingurgitadas Rhipicephalus (boophilus) Microplus |
spellingShingle |
Vegetable Extracts Tick Engorged Females Rhipicephalus (boophilus) Microplus Extratos Vegetais Carrapato Fêmeas Ingurgitadas Rhipicephalus (boophilus) Microplus Machado, Aaron Ferreira Atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (Lonchocarpus floribundus) sobre carrapato bovino |
topic_facet |
Vegetable Extracts Tick Engorged Females Rhipicephalus (boophilus) Microplus Extratos Vegetais Carrapato Fêmeas Ingurgitadas Rhipicephalus (boophilus) Microplus |
description |
Ethylic acetate, ethanolic and aqueous roots extracts of Lonchocarpus floribundus were used to evaluate their biological activity on cattle tick Rhipicephalus (Boophilus) microplus. Adult ticks were collected in artificially infested cattle, separated into groups of ten individuals, weighed and immersed separately in the extracts of L. Floribundus roots at concentrations of 5, 25, 50, 75 and 100 mg mL-1. For biological evaluation 14-21-day-old larvae were used, which were immersed in the extracts at concentrations of 1, 5, 10, 15 and 20 mg mL-1. After treatment, each group was placed in a Petri dish and maintained at 27 ± 1 ºC and 80 ± 5% relative humidity. The extracts evaluated were not effective to induce mortality of over 50%-engorged female. The ethylic acetate and ethanolic extracts induced 100% mortality of larvae. The ethanolic extract was more toxic (median lethal concentration, LC50, of 2.1 mg mL-1) than the ethylic acetate extract (LC50 = 4.1 mg mL-1). For the ethanolic extract it was estimated a median inhibitory concentration (IC50) of 3.0 mg mL-1 and it was more toxic than the other extracts on this parameter. Among the three extracts evaluated, the ethylic acetate and ethanolic extracts showed the highest potential for the control of reproduction of R. (B.) microplus, reaching 100% at concentration of 5 mg mL-1. The L. Floribundus root extracts showed biological activity on cattle tick. |
format |
Artigo |
author |
Machado, Aaron Ferreira |
author2 |
Silva, Ademir Castro E Ribeiro, Helena Camarão Telles Procópio, Aldo Rodrigues de Lima Pinheiro, Carlos Cleomir de Souza Martins, João Ricardo de Souza Silva, Wilson Castro |
author2Str |
Silva, Ademir Castro E Ribeiro, Helena Camarão Telles Procópio, Aldo Rodrigues de Lima Pinheiro, Carlos Cleomir de Souza Martins, João Ricardo de Souza Silva, Wilson Castro |
title |
Atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (Lonchocarpus floribundus) sobre carrapato bovino |
title_short |
Atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (Lonchocarpus floribundus) sobre carrapato bovino |
title_full |
Atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (Lonchocarpus floribundus) sobre carrapato bovino |
title_fullStr |
Atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (Lonchocarpus floribundus) sobre carrapato bovino |
title_full_unstemmed |
Atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (Lonchocarpus floribundus) sobre carrapato bovino |
title_sort |
atividade biológica de extratos acetato de etila, etanólico e aquoso de timbó (lonchocarpus floribundus) sobre carrapato bovino |
publisher |
Acta Amazonica |
publishDate |
2020 |
url |
https://repositorio.inpa.gov.br/handle/1/13623 |
_version_ |
1787142577254825984 |
score |
11.653393 |