Concentrations of bisphenol A in the composite food samples from the 2008 Canadian total diet study in Quebec City and dietary intake estimates
2011
Cao, X.L. | Perez-Locas, C. | Dufresne, G. | Clément, G. | Popovic, S. | Beraldin, F. | Dabeka, R.W. | Feeley, M.
A total of 154 food composite samples from the 2008 total diet study in Quebec City were analysed for bisphenol A (BPA), and BPA was detected in less than half (36%, or 55 samples) of the samples tested. High concentrations of BPA were found mostly in the composite samples containing canned foods, with the highest BPA level being observed in canned fish (106 ng g−1), followed by canned corn (83.7 ng g−1), canned soups (22.2–44.4 ng g−1), canned baked beans (23.5 ng g−1), canned peas (16.8 ng g−1), canned evaporated milk (15.3 ng g−1), and canned luncheon meats (10.5 ng g−1). BPA levels in baby food composite samples were low, with 2.75 ng g−1 in canned liquid infant formula, and 0.84–2.46 ng g−1 in jarred baby foods. BPA was also detected in some foods that are not canned or in jars, such as yeast (8.52 ng g−1), baking powder (0.64 ng g−1), some cheeses (0.68–2.24 ng g−1), breads and some cereals (0.40–1.73 ng g−1), and fast foods (1.1–10.9 ng g−1). Dietary intakes of BPA were low for all age–sex groups, with 0.17–0.33 µg kg−1 body weight day−1 for infants, 0.082–0.23 µg kg−1 body weight day−1 for children aged from 1 to 19 years, and 0.052–0.081 µg kg−1 body weight day−1 for adults, well below the established regulatory limits. BPA intakes from 19 of the 55 samples account for more than 95% of the total dietary intakes, and most of the 19 samples were either canned or in jars. Intakes of BPA from non-canned foods are low.
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