Eficácia in vitro de extratos de Chenopodium ambrosioides sobre teleóginas de Rhipicephalus (Boophilus) microplus

Almança, Carlos Cesar Jorden; Pozzatti, Pricilla; Casagrande, Fernando Passon; Filho, J. P. Silva; Bissi, B.; Barbosa, Breno Curty; Porfírio, Lenir Cardoso

doi:10.1590/s1808-16572013000100007

Cited by 6 publications

(4 citation statements)

References 23 publications

(11 reference statements)

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“…The teleogynes treated with the 40 and 60% extracts produced darker eggs of matt appearance, while those ones treated with amitraz only produced a yellow secretion. Differing from what was observed in the present study, ALMANÇA et al (2013) reported that the 5, 10 and 25% extracts of C. ambrosioides did not have any influence on the larval hatching of R. (B.)…”

Section: Resultscontrasting

confidence: 99%

“…In a study conducted by ALMANÇA et al (2013), extracts of Chenopodium ambrosioides at concentrations of 5, 10 and 25% were shown to be inefficient on teleogynes of Rhipicephalus (Boophilus) microplus. These authors therefore suggested that higher concentrations should be used.…”

Section: Resultsmentioning

confidence: 99%

“…It has been studied because of its anthelmintic properties (PEREZGROVAS et al, 1994), fungicidal properties (KUMAR et al, 2007), anti-protozoan properties (MONZOTE et al, 2006), insecticidal properties (REIS et al, 2010) and even acaricidal properties (SANTOS et al, 2013;POZZATTI et al, 2012;ALMANÇA et al, 2013). Thus, the objective of this study was to evaluate the effect of extracts of C. ambrosioides on teleogynes (engorged females) of Rhipicephalus (Boophilus) microplus.…”

Section: Introductionmentioning

confidence: 99%

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In vitro activity of the hydroalcoholic extract of Chenopodium ambrosioides against engorged females of Rhipicephalus (Boophilus) microplus

et al. 2018

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Rhipicephalus (Boophilus) microplus, known as the cattle tick, is a cause of great economic losses for dairy cattle farming because of its high frequency of occurrence and the difficulty in controlling it. The aim of this study was to evaluate the in vitro activity of Chenopodium ambrosioides extract on R. (B.) microplus. For this purpose, 125 females were selected and classified into five groups according to their weight, in order to ensure that the females used presented homogeneous weight. The treatments comprised 40 and 60% extracts of Chenopodium ambrosioides, distilled water, ethanol (70ºGL) and 12.5% amitraz. The extracts of C. ambrosioides (40 and 60%) showed effectiveness of 99.7 and 100% and higher percentages of dead females than the other treatments: 64 and 96%, respectively (p<0.001). In the groups exposed to distilled water and ethanol (70º GL), 92 and 88% of the females maintained oviposition. In the females exposed to 40 and 60% extracts, oviposition of 36 and 4% occurred, respectively. It was concluded that the extract of Chenopodium ambrosioides, at both concentration evaluated, had high efficiency against engorged females of cattle ticks.

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Section: Resultscontrasting

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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In vitro activity of the hydroalcoholic extract of Chenopodium ambrosioides against engorged females of Rhipicephalus (Boophilus) microplus

et al. 2018

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“…Foi demonstrada a utilização de C. ambrosioides como meio alternativo para o controle de endoparasitos, onde os autores evidenciaram em certos momentos a superioridade do extrato da planta frente ao tratamento tradicional da parasitose (Thiabendazole/Mebendazole), além de índices superiores aos preconizados pelo Ministério da Agricultura do Brasil e Organização Mundial da Saúde como indicativos de eficácia(VITA et al, 2014). Por outro lado, foi observado que a eficácia de C. ambrosioides parece estar relacionada com o tipo de solvente usado no preparo do extrato e com a sua concentração, pois em um trabalho descrito porAlmança et al (2013) onde foram utilizados extratos hidroetanólicos das folhas, flores e frutos da planta nas concentrações de 5%, 10% e 25%, os resultados não apresentaram potencial para o controle das cepas de insetos pesquisadas.Estudos também demonstram a atividade in vitro do óleo essencial do mastruz contra Leishmania sp (11), contra outros protozoários (4) como o Plasmodium falciparum e o Trypanosoma brucei(MONZOTE et al, 2014) CHEKEM et al, (2010). haviam descrito a ação da planta contra Candida globrata, Candida guilliermondi e Candida albicans.…”

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PROSPECÇÃO CIENTÍFICA E TECNOLÓGICA DE Chenopodium ambrosioides, COM ÊNFASE NAS ATIVIDADES FARMACOLÓGICAS

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et al. 2015

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Nesta prospecção, objetivou-se realizar um estudo sobre atividades biológicas já descritas para o mastruz, com especial destaque para as eventuais aplicações farmacológicas desta planta. Para isso, foram obtidas informações sobre artigos científicos nas bases Web of Science TM , ScienceDirect, PubMed e Scielo, bem como sobre documentos de patentes nas bases USPTO, EPO, WIPO e INPI, com o uso da palavra-chave: Chenopodium ambrosioides, sempre utilizada nos campos de busca relativos ao título e ao resumo dos trabalhos. Desse modo, verificou-se que em bases de dados internacionais de artigos científicos, muitos são os trabalhos publicados envolvendo o mastruz, mas há número relativamente baixo de documentos de patentes, principalmente, no que se refere à descrição de eventual ação farmacológica da planta. Isso demonstra que há grandes oportunidades de pesquisa envolvendo a descrição da atividade biológica de extratos ou óleos essesnciais de plantas, como o mastruz.Palavras chave: Prospecção Científica. Atividades Farmacológicas. Mastruz.

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In vitro acaricidal activity of Crescentia cujete L. fruit pulp against Rhipicephalus microplus

et al. 2017

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Cattle tick (Rhipicephalus microplus) is an important constraint on livestock production, particularly in tropical and subtropical areas. Synthetic acaricides are the primary method of control this thick. Resistance of R. microplus to synthetic acaricides has given rise to the need of new scientific investigations on alternative ways to control it. The objective of this work was to conduct a chemical investigation of Crescentia cujete L. fruit pulp and to evaluate the acaricide effect on R. microplus larvae of extracts, fractions, and isolated substances from this species. Crescentia cujete is a Bignoniaceae and it is characteristic of tropical climates. Its most distinctive feature is its fruit, which is spherical and gourd-like, with a hard woody shell and gelatinous pulp. The fruit pulp of C. cujete was extracted with ethanol by maceration yielding an extract and a residue. The extract was partitioned giving an ethyl acetate phase (EAF) that was fractionated by chromatographic procedures yielding cinnamic acid and benzoic acid. The remained botanic material from the ethanol extraction was further and successively extracted with ethyl ether and methanol under reflux. The acaricide effect of all extracts and fractions was evaluated against R. microplus using the larval packet test. The best result was observed for the EAF that caused 100% of mortality when a 10% solution was used and with LC of 5.9%. Cinnamic acid was also tested showing 63.0% of mortality with LC of 6.6% at the same concentrations and time of the experiment. The data obtained in this study provides information related to the chemical nature and the acaricide activity of the C. cujete epicarp that has not been previously reported. This study shows that the ethyl acetate phase of the ethanol extract of C. cujete fruit pulp is a potential alternative control for R. microplus and its activity is in part associated to cinnamic acid, its major compound.

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Eficácia in vitro de extratos de Chenopodium ambrosioides sobre teleóginas de Rhipicephalus (Boophilus) microplus

Cited by 6 publications

References 23 publications

In vitro activity of the hydroalcoholic extract of Chenopodium ambrosioides against engorged females of Rhipicephalus (Boophilus) microplus

In vitro activity of the hydroalcoholic extract of Chenopodium ambrosioides against engorged females of Rhipicephalus (Boophilus) microplus

PROSPECÇÃO CIENTÍFICA E TECNOLÓGICA DE Chenopodium ambrosioides, COM ÊNFASE NAS ATIVIDADES FARMACOLÓGICAS

In vitro acaricidal activity of Crescentia cujete L. fruit pulp against Rhipicephalus microplus

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