Consumer exposure to phthalates from paper packaging: an integrated approach

M. F. Poças, J. C. Oliveira, J. R. Pereira, T. Hogg

Resultado de pesquisarevisão de pares

43 Citações (Scopus)

Resumo

This paper presents an integrated approach to estimate the exposure of the Portuguese population to phthalates as a contaminant originating from paperboard packaging. The approach combined data of migrant concentration in the foods resulting from a stochastic simulation with consumption data of food packaged in paperboard. The results from the exposure model were validated with experimental values actually found in the food. A short surveillance exercise was conducted with samples collection from market shelves to identify and quantify the phthalates present in both the packages and the food. The distribution of values for the di-butyl phthalate concentration in the packages was used as the input of the initial concentration in the Weibull model to estimate the concentration of this phthalate in the foods. This distribution of occurrence data was then combined with the packaging usage data in a probabilistic simulation with a Monte Carlo sampling method. Exposure values ranged between zero and 8.95 μg day-1 kgbw, a value close to the tolerable daily intake established by the European Food Safety Authority (EFSA) - 10 μg day-1 kgbw. However, the 97.5th percentile and the average were 1.82 and 0.44 day-1 kgbw, respectively, indicating that further refinement of the estimates is not necessary. Other phthalates were also detected in the packaging samples: di-isobutyl phthalate and di- thylhexyl phthalate. The latter was present in all packaging samples collected and was detected in a few food samples at values requiring further investigation.

Idioma originalEnglish
Páginas (de-até)1451-1459
Número de páginas9
RevistaFood Additives and Contaminants - Part A Chemistry, Analysis, Control, Exposure and Risk Assessment
Volume27
Número de emissão10
DOIs
Estado da publicaçãoPublicado - 2010

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