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Raw sheep wool contamination with bisphenol A and parabens. An assessment of interregional differences
Sławomir Gonkowski1, Julia Martin2, Nariste Kadyralieva3
1Department of Clinical Physiology, University of Warmia and Mazury in Olsztyn, Faculty of Veterinary Medicine, Poland.
Abstract:
The objective of this work is to investigate for the first time the contamination of raw wool with endocrine disruptor compounds - bisphenol A (BPA) and parabens (PBs), as well as to conduct the first biomonitoring study on long-term sheep exposure to these substances. The levels of BPA, methylparaben (MeP), ethylparaben (EtP), propylparaben (PrP) and butylparaben (BuP) were evaluated in wool samples (n = 100) from Kyrgyzstan and Poland using liquid chromatography-tandem mass spectrometry method. The highest levels were noted for BPA (range: 46.9-502 ng/g, mean 132 ± 70.5 ng/g) and MeP (range: 3.4 ng/g-71.1 ng/g, mean 19.9 ± 13.8 ng/g). Lower levels were found for EtP (range:
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