1. Institute of Chemistry, Federal University of Bahia, Salvador 40170-280, BA, Brazil
2. Department of Pharmacy, Post- Graduation Program in Biotechnology, Research Laboratory in Experimental Neurochemistry, Federal University of Piauí, Teresina 64049-550, Piauí, Brazil
3. Department of Biology, Federal University of Piauí, Teresina 64049-550, Piaui, Brazil
4. Department de Bioquimica e Farmacologia, Federal University of Piaui-UFPI, Campus Universitario Ministro Petronio Portella, Post-Graduation Program in Biotechnology, Ininga, Teresina, Piaui, CEP: 64048-901, Brazil