Effects of leaf extracts of Protium spruceanum against adult and larval Rhipicephalus microplus

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dc.creatorJoão Carlos Gomes Figueiredo
dc.creatorYule Roberta Ferreira Nunes
dc.creatorViviane de Oliveira Vasconcelos
dc.creatorSônia Ribeiro Arrudas
dc.creatorFranciellen Morais Costa
dc.creatorGeisa Simone Caldeira Santos
dc.creatorFrancine Souza Alves da Fonseca
dc.creatorEduardo Robson Duarte
dc.date.accessioned2023-03-06T15:13:12Z
dc.date.accessioned2025-09-09T00:55:55Z
dc.date.available2023-03-06T15:13:12Z
dc.date.issued2019-12-02
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.1007/s10493-019-00447-4
dc.identifier.issn1572-9702
dc.identifier.urihttps://hdl.handle.net/1843/50670
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofExperimental and Applied Acarology
dc.rightsAcesso Restrito
dc.subjectCarrapatos como transmissores de doenças
dc.subjectBurseracea
dc.subjectMatéria médica vegetal
dc.subjectFlavonóides
dc.subjectDiterpenos
dc.titleEffects of leaf extracts of Protium spruceanum against adult and larval Rhipicephalus microplus
dc.typeArtigo de periódico
local.citation.epage458
local.citation.spage447
local.citation.volume79
local.description.resumoRhipicephalus microplus is the ectoparasite responsible for large economic losses in cattle herds. The aim of this study was to investigate the in vitro action of leaf extracts of Protium spruceanum on resistant strains of this tick. Ethanolic extracts (EE) and ethyl acetate extracts (EAE) of P. spruceanum leaves were used against engorged females and larvae by biocarrapaticidogram and larval package (TPL) tests. Chromatographic analyses were performed using a gas chromatograph and showed the presence of the flavonoid catechin in both extracts and the terpenoid β-amirine only in EAE. EE and EAE were not effective in altering the mortality of engorged females; however, 92% of females treated with the extracts reduced the postures and > 90% of larval hatching was inhibited at 100 mg/ml of extracts. Acaricidal efficacies were > 80% for 100 mg/ml EE and > 90% for EAE at 50 mg/ml. In TPL tests, EE and EAE promoted larval mortality > 88% at 100 mg/ml. In this study, EAE was more effective against adult females and larvae than EE, representing an alternative agent for the integrated control of R. microplus.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://link.springer.com/article/10.1007/s10493-019-00447-4

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