Occurrence of bisphenol A and its alternatives in paired urine and indoor dust from Chinese university students: Implications for human exposure. 2020

Hua Zhang, and Qiang Quan, and Mingyue Zhang, and Nan Zhang, and Wu Zhang, and Meixiao Zhan, and Weiguo Xu, and Ligong Lu, and Jun Fan, and Qian Wang
Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Zhuhai, 519000, Guangdong, PR China; The Biomedical Translational Research Institute, Jinan University Faculty of Medical Science, Jinan University, Guangzhou, 510632, PR China.

Bisphenol analogs (BPs), as the industrial chemicals, are widely used in consumer products. Limited information exists regarding human exposure to BPs in university students in China. In this study, we detected concentrations of seven BPs, namely bisphenol A (BPA), bisphenol AF (BPAF), bisphenol P (BPP), bisphenol AP (BPAP), bisphenol Z (BPZ), bisphenol S (BPS), and bisphenol F (BPF), in paired urine (n = 160) and indoor dust samples (n = 40) from university students in South China. High detection rates and levels (median) was found in BPA in paired urine (99%, 3.57 ng/mL) and indoor dust (80%, 2.98 μg/g) samples, followed by BPS (88%, 0.24 ng/mL; 78%, 0.22 μg/g). These findings suggest that BPA remains the major BPs used in consumer products. A positive relationship between urinary ∑BPs (sum of six BPs) concentration and indoor dust was observed (r = 0.444, p < 0.01), indicated that exposure to non-dietary BPs may also be significant to human exposure. The median EDIurine values (ng/kg bw/day) of ∑BPs in males (119.6) were relatively higher than (p < 0.05) those in females (84.6). By contrast, the median EDIdust of BPs (except for BPAF) in dust form female dormitories were slightly higher than that in dust from male dormitories. Notably, BPF was the most ingested from indoor dust (dormitory dust). This study is the first time to document the occurrence of BPs in paired urine and indoor dust in university students from China.

UI MeSH Term Description Entries
D008297 Male Males
D010636 Phenols Benzene derivatives that include one or more hydroxyl groups attached to the ring structure.
D002681 China A country spanning from central Asia to the Pacific Ocean. Inner Mongolia,Manchuria,People's Republic of China,Sinkiang,Mainland China
D003510 Cyclohexanes Six-carbon alicyclic hydrocarbons.
D004391 Dust Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed) House Dust,Housedust,Dust, House
D005260 Female Females
D006798 Housing Living facilities for humans. Family-Patient Lodging,Patient-Family Lodging,Family Patient Lodging,Family-Patient Lodgings,Lodging, Family-Patient,Lodging, Patient-Family,Lodgings, Family-Patient,Lodgings, Patient-Family,Patient Family Lodging,Patient-Family Lodgings
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001559 Benzhydryl Compounds Compounds which contain the methyl radical substituted with two benzene rings. Permitted are any substituents, but ring fusion to any of the benzene rings is not allowed. Diphenylmethyl Compounds,Compounds, Benzhydryl,Compounds, Diphenylmethyl
D012737 Sex Factors Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from SEX CHARACTERISTICS, anatomical or physiological manifestations of sex, and from SEX DISTRIBUTION, the number of males and females in given circumstances. Factor, Sex,Factors, Sex,Sex Factor

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