1. UNESP-São Paulo State Univ; Food Engineering and Technology Dept; São José do Rio Preto Brazil
2. FAMERP-Medical School of São José do Rio Preto; Microbiology Laboratory; São José do Rio Preto Brazil
3. UNESP-São Paulo State Univ; Technology Dept; Jaboticabal Brazil
4. UFSC-Federal Univ. of Santa Catarina; Food Science and Technology Dept; Florianópolis Brazil