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- Title
Bisphenol A levels in human urine.
- Authors
Matsumoto, Akiko; Kunugita, Naoki; Kitagawa, Kyoko; Isse, Toyohi; Oyama, Tsunehiro; Foureman, Gary L; Morita, Masatoshi; Kawamoto, Toshihiro
- Abstract
The estrogenic effects of bisphenol A (BPA) have been reported in human cells (E-screen assays) and in (italic)in vivo(/italic) studies of rodents, although the latter reports remain controversial, as do the exposure levels and adverse health effects of BPA in humans. In this study we report on an analytical high-performance liquid chromatography/fluorescence method for BPA and its conjugate in human urine and on the application of this method in two student cohorts. Urine, along with information on smoking, alcohol intake, and coffee/tea consumption, was collected in two different years from two different groups of university students, 50 in 1992 and 56 in 1999. Overall, the urinary BPA levels in the students in 1992 were significantly higher than were those in 1999. The BPA levels were also positively correlated with coffee and tea consumption in the 1992 cohort but not in the 1999 cohort. We speculate that recent changes made in Japan regarding the interior coating of cans used to package these beverages may partly explain these findings.
- Publication
Environmental health perspectives, 2003, Vol 111, Issue 1, p101
- ISSN
0091-6765
- Publication type
Journal Article
- DOI
10.1289/ehp.5512