1. Laboratory of Pharmacognosy, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Av. do Café S/N, Ribeirão Preto, SP 14040-930, Brazil
2. Laboratory of Mutagenesis, University of Franca, Avenida Dr. Armando Salles Oliveira, 201−Parque Universitário, Franca, SP 14404-600, Brazil