Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/889463
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dc.contributor.authorCHAGAS, A. C. de S.pt_BR
dc.contributor.authorGEORGETTI, C. S.pt_BR
dc.contributor.authorCARVALHO, C. O. dept_BR
dc.contributor.authorOLIVEIRA, M. C. de S.pt_BR
dc.contributor.authorRODRIGUES, R. A.pt_BR
dc.contributor.authorFOGLIO, M. A.pt_BR
dc.contributor.authorMAGALHÃES, P. M. DEpt_BR
dc.date.accessioned2011-05-24T11:11:11Zpt_BR
dc.date.available2011-05-24T11:11:11Zpt_BR
dc.date.created2011-05-24pt_BR
dc.date.issued2011pt_BR
dc.identifier.citationRevista Brasileira de Parasitologia e Veterinária, Jaboticabal, v. 20, n. 1, p. 31-35, jan.-mar. 2011.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/889463pt_BR
dc.descriptionThe activity of plant extracts on parasites may indicate groups of substances that are potentially useful for controlling Rhipicephalus (Boophilus) microplus. The aim of the present study was to investigate the in vitro action of Artemisia annua extracts on this tick. The concentrations of the sesquiterpene lactones artemisinin and deoxyartemisinin present in plant extracts were quantified via high-performance liquid chromatography. Four extracts produced from the concentrated crude extract (CCE) were evaluated on larvae using the impregnated paper method, with readings after 24 hours of incubation. The engorged females were immersed in the CCE and in its four derived extracts for five minutes, with incubation for subsequent analysis of biological parameters. The extracts were not effective on the larvae at the concentrations tested (3.1 to 50 mg.mL-1). The CCE showed greater efficacy on engorged females (EC50 of 130.6 mg.mL-1 and EC90 of 302.9 mg.mL-1) than did the derived extracts. These results tend to confirm that the action of artemisinin on engorged females of R.(B.) microplus is conditional to their blood intake. In this case, in vitro methods would be inadequate for effective evaluation of the action of A. annua on R. (B.) microplus.eng
dc.language.isoengpt_BR
dc.rightsopenAccesspt_BR
dc.subjectArtemisininapt_BR
dc.subjectControlept_BR
dc.subjectR (B) microplus Artemisia annuapt_BR
dc.titleIn vitro activity of Artemisia annua L (Asteraceae) extracts against Rhipicephalus (Boophilus) microplus.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2012-05-04T11:11:11Zpt_BR
dc.subject.thesagroCarrapatopt_BR
dc.subject.thesagroFitoterapiapt_BR
riaa.ainfo.id889463pt_BR
riaa.ainfo.lastupdate2012-05-04pt_BR
dc.identifier.doihttps://doi.org/10.1590/S1984-29612011000100007eng
dc.contributor.institutionANA CAROLINA DE SOUZA CHAGAS, CPPSEpt_BR
dc.contributor.institutionCYNTHIA SANCHES GEORGETTI, UNICEP/SÃO CARLOS, SPeng
dc.contributor.institutionCAMILA O. DE CARVALHO, UNESP/JABOTICABALeng
dc.contributor.institutionMARCIA CRISTINA DE SENA OLIVEIRA, CPPSEeng
dc.contributor.institutionRODNEY ALEXANDRE RODRIGUES, UNICAMP/CAMPINASeng
dc.contributor.institutionMARY ANN GOGLIO, UNICAMP/CAMPINASeng
dc.contributor.institutionPEDRO MELILLO MAGALHÃES DE, UNICAMP/CAMPINAS.eng
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