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Widespread exposure to BPA substitute is occurring from cash register receipts, other paper

Date:
July 11, 2012
Source:
American Chemical Society
Summary:
People are being exposed to higher levels of the substitute for BPA in cash register thermal paper receipts and many of the other products that engendered concerns about the health effects of bisphenol A, according to a new study. Bisphenol S (BPS) is now frequently found in thermal and recycled paper and paper currency. BPS is closely related to BPA, with some of the same estrogen-mimicking effects, and unanswered questions exist about whether it is safer.

Widespread exposure to Bisphenol S, a BPA substitute, is occurring from cash register receipts and other paper products.
Credit: ACS

People are being exposed to higher levels of the substitute for BPA in cash register thermal paper receipts and many of the other products that engendered concerns about the health effects of bisphenol A, according to a new study. Believed to be the first analysis of occurrence of bisphenol S (BPS) in thermal and recycled paper and paper currency, the report appears in ACS' journal Environmental Science & Technology.

Kurunthachalam Kannan and colleagues point out that growing evidence of the potentially toxic effects of BPA has led some manufacturers to replace it with BPS in thermal paper and other products. BPS is closely related to BPA, with some of the same estrogen-mimicking effects, and unanswered questions exist about whether it is safer. Nevertheless, very little is known about BPS occurrence in the environment, the scientists noted. To fill that knowledge gap, they analyzed 16 types of paper from the U.S., Japan, Korea and Vietnam.

The study detected BPS in all the receipt paper they tested, 87 percent of the samples of paper currency and 52 percent of recycled paper. The researchers estimate that people may be absorbing BPS through their skin in larger doses than they absorbed BPA when it was more widely used -- 19 times more BPS than BPA. People who handle thermal paper in their jobs may be absorbing much more BPS.

The authors acknowledge funding from the U.S. Centers for Disease Control and Prevention, the National Natural Science Foundation of China and the Department of Science and Technology of Shandong Province.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Chunyang Liao, Fang Liu, Kurunthachalam Kannan. Bisphenol S, a New Bisphenol Analogue, in Paper Products and Currency Bills and Its Association with Bisphenol A Residues. Environmental Science & Technology, 2012; 46 (12): 6515 DOI: 10.1021/es300876n

Cite This Page:

American Chemical Society. "Widespread exposure to BPA substitute is occurring from cash register receipts, other paper." ScienceDaily. ScienceDaily, 11 July 2012. <www.sciencedaily.com/releases/2012/07/120711210241.htm>.
American Chemical Society. (2012, July 11). Widespread exposure to BPA substitute is occurring from cash register receipts, other paper. ScienceDaily. Retrieved April 18, 2014 from www.sciencedaily.com/releases/2012/07/120711210241.htm
American Chemical Society. "Widespread exposure to BPA substitute is occurring from cash register receipts, other paper." ScienceDaily. www.sciencedaily.com/releases/2012/07/120711210241.htm (accessed April 18, 2014).

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