Open Access

ARTICLE

Potential antioxidant and toxicological activity of the essential oil of Rhaphiodon echinus (Nees & Mart) Schauer (Lamiaceae): morphoanatomy and polyphenolic composition of its extracts

Rodrigues Costa A^1,2, PS Pereira³, MK Alves de Sousa^1,2, FC Rodrigues⁵, VR Duarte Mendes¹, KR Rodrigues Lima¹, L Marivando Barros^1,4, CM Rocha Sousa¹, MS Alcântara¹, AB Leite Cavalcante⁴, R Cruz Macedo⁵, JP Kamdem³, AE Duarte^1,2

1 Center of Biological and Health Sciences (CCBS), Department of Biological Sciences, Regional University of Cariri (URCA), Crato 63105-000, CE, Brazil
2 Biology and Toxicology Laboratory (BIOTOX)., Regional University of Cariri (URCA), Crato, CE, Brazil;
3 Department of Biological Sciences, Microscopy Laboratory (LABOMIC), Regional University of Cariri (URCA), CEP: 63105-000, Crato, CE, Brazil.
4 Laboratory of Plant Ecophysiology (LECOV), Regional University of Cariri (URCA), Crato, CE, Brazil.
5 Secretariat of Education of the State of Ceará. Juazeiro do Norte, CE, Brazil.

Address correspondence to: Antonia Eliene Duarte, e-mail: