1. School of Chemical Engineering; Federal Univ. of São Paulo, UNIFESP; 210 São Nicolau Street 09913-030 Diadema SP Brazil
2. School of Chemical Engineering, Univ. of Campinas, UNICAMP; 500 Albert Einstein Av. 13083-852 Campinas SP Brazil
3. School of Food Engineering; Univ. of Campinas, UNICAMP; 80 Monteiro Lobato Street 13083-862 Campinas SP Brazil