Biomonitoring of bisphenol A (BPA) and bisphenol analogues in human milk from South Africa and Canada using a modified QuEChERS extraction method
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Updated: Jul 1, 2025
A Method for Targeted 16S Sequencing of Human Milk Samples
Published on: March 23, 2018
Zhi Hao Chi1, Lan Liu1, Jingyun Zheng1
1Department of Food Science and Agricultural Chemistry, McGill University, Montreal, QC, Canada.
Abstract:
A sensitive modified QuEChERS extraction method was developed to assess the levels of free and conjugated bisphenols (BPs) in human milk collected between 2018 and 2019 from two regions of South Africa (the Limpopo Province Vhembe district, n = 194; Pretoria, n = 193) and Canada (Montreal, n = 207). Total BPA (free and conjugated) and BPS were the predominant bisphenols detected in samples from Vhembe and Pretoria, whereas total BPS was the predominant bisphenol detected in Montreal samples. The levels of total BPA in samples from Vhembe and Pretoria ranged between < MDL-18.61 and
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