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dc.contributor.authorVenâncio, Antônio Medeiros-
dc.contributor.authorMarchioro, Murilo-
dc.contributor.authorEstevam, Charles dos Santos-
dc.contributor.authorMelo, Mônica Santos de-
dc.contributor.authorSantana, Marília Trindade de-
dc.contributor.authorOnofre, Alexandre Sherlley Casimiro-
dc.contributor.authorGuimarães, Adriana Gibara-
dc.contributor.authorOliveira, Makson Gleydson Brito de-
dc.contributor.authorAlves, Péricles Barreto-
dc.contributor.authorPimentel, Hugo de Carvalho-
dc.contributor.authorQuintans-Júnior, Lucindo José-
dc.identifier.citationVENANCIO, Antônio M. et al. Ocimum basilicum leaf essential oil and (-)-linalool reduce orofacial nociception in rodents: a behavioral and electrophysiological approach. Revista Brasileira de Farmacognosia, Curitiba, v. 21, n. 6, dez. 2011 . Disponível em: <>. Acesso em: 8 jun. 2013.pt_BR
dc.description.abstractThe present study investigated the antinociceptive effects of Ocimum basilicum L. (Lamiaceae) leaf essential oil (LEO) and (-)-linalool (LIN) in formalin (2%)-, glutamate (25 µM)- and capsaicin (2.5 µg)- induced orofacial nociception models in mice. The involvement of these substances was further evaluated on the neuronal excitability of the hippocampal dentate gyrus. Male mice (n=8/group) were pretreated separately with LEO and by LIN (50, 100, and 200 mg/kg, i.p.), morphine (5 mg/kg, i.p.) and vehicle (saline + Tween 80 0.2%), before injection of nociceptive agent into the right upper lip (perinasal area). The LEO and LIN reduced the nociceptive face-rubbing behaviour in both phases on formalin test. LEO and LIN, at high doses, produced significantly antinociceptive effect in the capsaicin and glutamate tests. In hippocampal slices, LEO inhibited the population spike generated by stimulation of the hylus (antidromic stimulation), with an IC50 of 0.1±0.05 mg/mL. This response was reversibly blocked by lidocaine (0.5 mg/mL), a known voltage-dependent sodium channel antagonist and by LIN (0.5 mg/mL). Our results suggest that LEO and LIN modulate neurogenic and inflammatory pain in the tests of orofacial nociception induced by formalin, capsaicin and glutamate. Part of these effects may be associated with decreased peripheral and central neuronal excitability.pt_BR
dc.subjectÓleos essenciaispt_BR
dc.subjectOcimum basilicumpt_BR
dc.subjectNocicepção orofacialpt_BR
dc.titleOcimum basilicum leaf essential oil and (-)-linalool reduce orofacial nociception in rodents: a behavioral and electrophysiological approachpt_BR
dc.identifier.licenseCreative Commons Attribution Licensept_BR
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