More on Mercury in High-Fructose Corn Syrup

From the July/August 2009 issue of MotherJones:

“In 2004, Renee Dufault, an environmental health researcher at the Food and Drug Administration (FDA), stumbled upon an obscure Environmental Protection Agency report on chemical plants’ mercury emissions. Some chemical companies, she learned, make lye by pumping salt through large vats of mercury. Since lye is a key ingredient in making HFCS (it’s used to separate corn starch from the kernel), Dufault wondered if mercury might be getting into the ubiquitous sweetener that makes up 1 out of every 10 calories Americans eat.

Dufault sent HFCS samples from three manufacturers that used lye to labs at the University of California-Davis and the National Institute of Standards and Technology. The labs found mercury in most of the samples. In September 2005, Dufault presented her findings to the FDA’s center for food safety. She was surprised by what happened next. “I was instructed not to do any more investigation,” she recalls. FDA spokeswoman Stephanie Kwisnek says that the agency decided against further investigation because it wasn’t convinced “that there was any evidence of a risk.”

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