1. Graduation Program in Food Science and TechnologyState Univ. of Ponta Grossa Av. Carlos Cavalcanti, 4748, 84030‐900 Ponta Grossa Brazil
2. Department of ChemistryState Univ. of Ponta Grossa Av. Carlos Cavalcanti, 4748, 84030‐900 Ponta Grossa Brazil
3. Department of Biological SciencesFederal University of Alfenas Rua Gabriel Monteiro da Silva, 714, 37130‐000 Alfenas Brazil