Title: Análise de sulfitos em sucos de frutas e estimativa de seu consumo por escolares
Abstract: Analytical determination of sulphites in fruit juices and estimation of their intake by students.In Brazil there are no data on use of sulphites by the food industry and research on their consumption by population.Thus, the objective of this research was to evaluate sulphites in fruits juices and estimate intake sulphites in a group of 5 th -8 th schoolchildren of public schools in São Caetano do Sul-SP, Brazil.It was applied a food frequency questionnaire (FFQ) at 313 schoolchildrens (56.9% female, 43.1% male and average age 14.7 years).Sulphited products identified were fruits juices, sugar, frozen chips, grated coconut, cashew juice and dried fruits.Considering maximum permitted levels (MPL) stabilished by Brazilian legislation, none of the students exceeded the ADI of 0.70 mg SO 2 /kg bw/day, with average of consumption of 0.12 mg SO 2 /kg bw/day (17 % of the ADI).The results of the fruits juices analysis demonstrated flow injection analysis (FIA) modified obtained better results than optimized Monier-Williams method (M-W) and no sample exceeded the MPL.