Urinary levels of dimethoate, bisphenol A and benzo[a]pyrene in first-year students of Hohai University from different geographical regions,BMC Public Health

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Urinary levels of dimethoate, bisphenol A and benzo[a]pyrene in first-year students of Hohai University from different geographical regions
BMC Public Health ( IF 3.5 ) Pub Date : 2021-09-16 , DOI: 10.1186/s12889-021-11726-4
Yu-Juan Xu ₁ , Hong-Liang Gao ₂ , He Liu ₃ , Ning-Wei Zhao ₄ , Qi Cheng ₅ , Fu-Rong Zhang ₂ , Juan Ye ₆ , Ai-Qing Wang ₁ , Yan-Jun Dou ₁ , Bei Ma ₁ , Feng Zhu ₃ , Xian-Lin Xu ₇ , Chao-Jun Li ₈ , Jing Wu ₂ , Ning Shen ₉ , Bin Xue ₂

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The objective of this study was to detect the urinary levels of dimethoate, benzo(a) pyrene (BaP), and bisphenol A (BPA) in first-year Hohai University students with different geographic origins. First-morning urine samples were collected from 540 healthy freshmen aged 17 to 19 years. Chemical levels were measured using β-glucuronidase hydrolysis followed by a high-performance liquid chromatography-tandem mass spectrometry-based method. Geometric means (GMs) of these three chemicals are presented by body mass index (BMI) and location in a volume-based and creatinine-standardized way. GM concentrations of omethoate, BPA and 3-OHBaP were 9.47 μg/L (10.80 μg/g creatinine), 3.54 μg/L (4.04 μg/g creatinine) and 0.34 ng/L (0.39 ng/g creatinine), respectively. The GM concentration of omethoate in males was significantly higher than that in females. The individuals with a BMI higher than 23.9 had higher GM concentrations of omethoate, BPA, and 3-OHBaP. The inhabitants of Southwest China had significantly lower GM concentrations of omethoate, BPA, and 3-OHBaP than those who lived in other locations in China. The average level of environmental chemical accumulation in freshmen is lower in Southwest China and differs in youth who live in different regions. In addition, obesity is correlated with higher toxin levels in youth.

更新日期：2021-09-16

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