BPA spikes 1,200 percent after eating canned soup: study


Kerry Sheridan
AFP
Wednesday, November 23, 2011

People who ate canned soup for five days straight saw their urinary levels of the chemical bisphenol A spike 1,200 percent compared to those who ate fresh soup, US researchers said on Tuesday.


The randomized study, described as “one of the first to quantify BPA levels in humans after ingestion of canned foods,” was done by Harvard University researchers and appears in the Journal of the American Medical Association’s November 23 issue.

“We’ve known for a while that drinking beverages that have been stored in certain hard plastics can increase the amount of BPA in your body,” said lead author Jenny Carwile, a doctoral student in the Department of Epidemiology at Harvard School of Public Health.

“This study suggests that canned foods may be an even greater concern, especially given their wide use.”

The chemical BPA is an endocrine disruptor that has been shown to interfere with reproductive development in animal studies at levels of 50 micrograms per kilogram of body weight and higher, though it remains uncertain if the same effects cross over to humans, according to the Environmental Protection Agency.

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