Urinary benzophenones and synthetic progestin in Chinese adults and children: concentration, source and exposure
2021
Wang, Siqi | Huo, Zhuhao | Shi, Wenyan | Wang, Hongyong | Xu, Gang
The endocrine-disrupting activities of UV filters and synthetic progestin have raised concerns about their adverse risks. In this study, 208 urine samples were collected from Shanghai residents for the determination of seven benzophenones (BPs) and six synthetic progestins. The highest median concentration (6.21ng g⁻¹ Cr) was observed in young adults (21–50 years), followed by a concentration of 3.86 ng g⁻¹ Cr in elderly adults (over 50 years old), and the lowest median concentration (1.32 ng g⁻¹ Cr) was found in children (8–11 years old). The detection rates of BP-3 and EE2 in adults were 97% and 82%, and in children were 31% and 24%, respectively. Synthetic progestin levels in Shanghai, China, were relatively low compared to other countries. And the urinary BPs level showed an increasing trend in Chinese in the past 5 years. The principal component analysis suggested that adults’ exposure to BP-1 and BP-3 was related, which occurs through food or dermal absorption of these chemicals present in cosmetic products and coatings. And diet was an important exposure pathway for children exposed to BPs. Despite relatively high levels of synthetic progestin for female and obese, the total estimated daily intake (EDI) was still lower than acceptable daily intake adopted by America. In the Monte-Carlo analysis, the 95th percentile of hazard quotients (HQs) was 0.83, which indicated that potential health risks were appreciated in the studied population.
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