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Widespread Occurrence and Distribution of Bisphenol A Diglycidyl Ether (BADGE) and Its Derivatives in Human Urine From the United States and China

Widespread Occurrence and Distribution of Bisphenol A Diglycidyl Ether (BADGE) and Its Derivatives in Human Urine From the United States and China

Lei Wang, Yinghong Wu, Wei Zhang, Kurunthachalam Kannan

Environ Sci Technol. 2012 Dec 4;46(23):12968-76.

PMID: 23145811

Abstract:

Despite reports of the occurrence of bisphenol A diglycidyl ether (BADGE) and its derivatives in canned foods and consumer products, biomonitoring studies of human exposure to these compounds are lacking. In this study, 127 urine samples collected from the U.S. and China were analyzed for free and total (free plus conjugated) concentrations of BADGE and its three derivatives, bisphenol A (2,3-dihydroxypropyl) glycidyl ether [BADGE·H(2)O], bisphenol A (3-chloro-2-hydroxypropyl) (2,3-dihydroxypropyl) ether [BADGE·HCl·H(2)O], and bisphenol A bis (2,3-dihydroxypropyl) ether [BADGE·2H(2)O], using high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). BADGE and its three derivatives (collectively referred to as BADGEs) were found in 100% of the urine samples analyzed. Total urinary concentrations of BADGEs in the U.S. ranged from 1.24 to 9.03 ng/mL, with a GM concentration of 3 ng/mL. Concentrations of BADGEs in urine from adults (GM: 1.36 ng/mL) and children (1.02 ng/mL) in China were 3-fold lower than the concentrations found in the U.S. Both free and conjugated forms of BADGEs were present in urine, and the proportion of free form was inversely related to the total concentration of BADGEs. Among the four BADGEs measured in urine, BADGE·2H(2)O was the predominant compound, accounting for 45-60% of the total BADGEs concentration, followed by BADGE (17-24%). The distribution of the four BADGEs varied, depending on age, gender, and ethnicity of the adults and children. Daily intake (DI) and effective daily intake (DI(E)) of BADGEs were estimated based on urinary concentrations, and their respective values were 69.4 and 9.16 ng/kg-bw/day for the U.S. population and 28.4 and 5.69 ng/kg-bw/day for the Chinese population. The concentrations of BADGEs in U.S. urine were 3- to 4-fold higher than the corresponding concentrations of bisphenol A.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP5581328	Bisphenol A bis(2,3-dihydroxypropyl) ether		5581-32-8	Price

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