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Chem Biol Interact. 2016 Sep 25;257:14-25. doi: 10.1016/j.cbi.2016.07.026. Epub 2016 Jul 26.

Anti-inflammatory and antiedematogenic activity of the Ocimum basilicum essential oil and its main compound estragole: In vivo mouse models.

Author information

1
Pharmacology and Molecular Chemistry Laboratory, Department of Chemical Biology, Regional University of Cariri, Cel Antonio Luis 1161, Pimenta, CEP 63105-000, Crato, Ceara, Brazil.
2
Department of Physiology, Federal University of Sergipe, São Cristóvão, 49100-000, Sergipe, Brazil.
3
Research and Natural Product Laboratory, Department of Chemical Biology, Regional University of Cariri, Cel Antonio luis 1161, Pimenta, CEP 63105-000, Crato, Ceara, Brazil.
4
Microbiology and Biology Molecular Laboratory, Department of Chemical Biology, Regional University of Cariri, Cel Antonio Luis 1161, Pimenta, CEP 63105-000, Crato, Ceara, Brazil.
5
Pharmacology and Molecular Chemistry Laboratory, Department of Chemical Biology, Regional University of Cariri, Cel Antonio Luis 1161, Pimenta, CEP 63105-000, Crato, Ceara, Brazil. Electronic address: irwin.alencar@urca.br.

Abstract

The genus Ocimum are used in cooking, however, their essential oils are utilized in traditional medicine as aromatherapy. The present study was carried out to investigate the chemical composition and systemic anti-inflammatory activity of the Ocimum basilicum essential oil (EOOB) and its major component estragole, as well as its possible mechanisms of action. The Ocimum basilicum essential oil was obtained by hydrodistillation and analyzed by GC-MS. The anti-inflammatory action was verified using acute and chronic in vivo tests as paw edema, peritonitis, and vascular permeability and granulomatous inflammation model. The anti-inflammatory mechanism of action was analyzed by the participation of histamine and arachidonic acid pathways. The chemical profile analysis identified fourteen components present in the essential oil, within them: estragole (60.96%). The in vivo test results show that treatment with EOOB (100 and 50 mg/kg) and estragole (60 and 30 mg/kg) significantly reduced paw edema induced by carrageenan and dextran. The smallest doses of EOOB (50 mg/kg) and estragole (30 mg/kg) showed efficacy in the reduction of paw edema induced by histamine and arachidonic acid, vascular permeability inhibition and leukocyte emigration in the peritoneal fluid. Theses doses were capable of reducing the chronic inflammatory process. The results observed between the EOOB and estragole demonstrate efficacy in anti-inflammatory activity, however, the essential oil is more efficacious in the acute and chronic anti-inflammatory action. This study confirms the therapeutic potential of this plant and reinforces the validity of its use in popular medicine.

KEYWORDS:

Anti-edematogenic activity; Anti-inflammatory activity; Chemical composition; Estragole; Ocimum basilicum

PMID:
27474066
DOI:
10.1016/j.cbi.2016.07.026
[Indexed for MEDLINE]

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