Evaluation of phytotherapy alternatives for controlling Rhipicephalus (Boophilus) microplus in vitro

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Abstract

The objective of this study was to identify the main chemical components of the essential oil of Cuminum cyminum L. (cumin) and of the fixed oils of Bertholletia excelsa (Brazil nut) and of Helianthus annuus (sunflower seed). As well as testing the three oils and three different commercial synthetic acaricides against engorged females of Rhipicephalus (Boophilus) microplus in order to explore their acaricidal efficacy. Six different concentrations of the oils (200, 100, 50, 25, 12.5 and 6.25 mg/mL) and the active principles were evaluated with the Adult Immersion Test (AIT). The two main chemicals components of C. cyminum L. were the cuminaldehyde and the γ-terpinene. In both B. excelsa and H. annuus were the linoleic and oleic acid. C. cyminum L. showed high acaricidal activity (100%) over the engorged females and on their reproductive characteristat from the concentration of 100 mg/mL. B. excelsa and H. annuus had low acaricidal activity (39.39% and 58.75% in the concentration of 200 mg/mL respectively). The amidine and the pyrethroid (35.12% and 1.50% respectively). It can be concluded that the oil of C. cyminum L. may be a phytoterapic alternative for the cattle’s tick control.

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Villarreal, J. P., Dos Santos, P. R., Da Silva, M. A. M. P., Azambuja, R. H. M., Gonçalves, C. L., Escareño, J. J. H., … Nascente, P. da S. (2017). Evaluation of phytotherapy alternatives for controlling Rhipicephalus (Boophilus) microplus in vitro. Revista Brasileira de Parasitologia Veterinaria, 26(3), 299–306. https://doi.org/10.1590/S1984-29612017052

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