Journal
FOOD CHEMISTRY
Volume 390, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.133217
Keywords
Bisphenols; Triclosan; Hollow fiber membrane-protected solid-phase; microextraction; Microporous organic network; GC-MS; MS; Risk assessment
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This study proposes a sensitive method for detecting the impact of bisphenols and triclosan, commonly found in various products, on human health. The results show that the method has low intra-day and inter-day variations, as well as good reproducibility and lifespan.
Bisphenols and triclosan have been used in various products, and exposure to these chemicals may affect human health. The present study proposes a sensitive method for the determination of bisphenols A, F, S, and triclosan. The fiber was coated by amino/hydroxyl bifunctional microporous organic network and protected by polyvinylidene fluoride hollow fiber membrane for direct immersion solid phase microextraction. The limit of detection was 0.005 mu g/L (mu g/kg), and the recoveries were in the range of 76.7% to 107.5% (87.4% to 107.6%) for breast milk (infant formula), with intra-day and inter-day precisions <10.5% (7.3%) and 13.6% (8.4%), respectively. Fiber-to-fiber reproducibility of < 9.5% and a lifespan of >100 cycles were obtained. The 95th percentile estimated daily intake of total bisphenols was close to temporary tolerable daily intake for infants fed by human milk, which highlighted the needs for further attention on human exposure to BPA and its substitutes.
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