1. Department of Chemistry, Federal University of Lavras, P.O. Box 3037, Lavras 37203-202, MG, Brazil
2. Department of Food Science, Federal University of Lavras, P.O. Box 3037, Lavras 37203-202, MG, Brazil
3. Department of Engineering, Federal University of Lavras, P.O. Box 3037, Lavras 37203-202, MG, Brazil