1. Dept. of Food Technology, Inst. of Technology; Univ. of Rio de Janeiro (UFRRJ); Rodovia Br 465 Seropédica RJ 23890-000 Brazil
2. Dept. of Nutrition, School of Public Health; Univ. of São Paulo (USP); Ave. Dr. Arnaldo, 715 São Paulo SP 01246-904 Brazil
3. Faculty of Pharmaceutical Science; Univ. of Campinas (Unicamp); Campinas SP Brazil