1. Petroleum, Energy and Mass Spectrometry Research Group (PEM), Chemistry Department, Federal Rural University of Pernambuco (UFRPE), Recife, Pernambuco 52171-900, Brazil
2. Petroleum and Energy from Biomass Research Group (PEB), Chemistry Department, Federal University of Sergipe (UFS), São Cristóvão, Sergipe 49100-000, Brazil