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Revista Peruana de Biología
versión On-line ISSN 1727-9933
Resumen
BARROS GOMES, Paulo Roberto et al. [RETRACTED ARTICLE]Toxicity and molluscicidal activity of the essential oil Pimenta dioica against the snail Biomphalaria glabrata. Rev. peru biol. [online]. 2019, vol.26, n.1, pp.101-108. ISSN 1727-9933. http://dx.doi.org/10.15381/rpb.v26i1.15913.
This work evaluated the toxicity and molluscicidal effect of the oil extracted from Pimenta dioica leaves against the snail Biomphalaria glabrata (Say, 1818). For this, the essential oil was extracted quantitatively by hydrodistillation. Then quantifications of its components were performed by gas chromatography coupled to mass spectrometry (CG-MS) and the toxicity and molluscicidal activity were tested, respectively, against Artemia salina and snails Biomphalaria glabrata (Say, 1818). The lethal concentration (LC50) was calculated from the Reed-Muench & Pizzi methods, respectively, for toxicity and molluscicide testing. The results of the chromatographic analysis showed that the oil contains 85.67% eugenol (major constituent) and 0.88% linalool (minor component). In the toxicity evaluation, the oil was considered highly toxic with a LC50 of 14.13 mg∙L-1, in a 95% confidence interval, while the molluscicidal activity presented a lethal concentration (LC50) of 18.62. mg∙L-1 at a 95% confidence interval. Therefore, the oil is active against the snail Biomphalaria glabrata.
Palabras clave : Eugenol; Schistosomiasis; Volatile Compounds; Pimenta dioica; Biomphalaria glabrata.