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Corn Syrup’s Mercury Surprise

By Melinda Wenner Via www.MotherJones.com

Corn Syrup Mercury

If the specter of obesity and diabetes wasn’t enough to turn you off high- fructose corn syrup (HFCS), try this: New research suggests that the sweetener could be tainted with mercury, putting millions of children at risk for developmental problems. 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.”

At first, Dufault was reluctant to pursue the matter. But eventually, she became frustrated enough to try to publish the findings herself. She had her 20 original samples retested; mercury was found in nearly half of them. In January, Dufault and her coauthors—eight scientists from various universities and medical centers—published the findings in the peer-reviewed journal Environmental Health. Although they weren’t able to determine what type of mercury was present, they concluded that if it was organic, the most dangerous form, then based on average hfcs consumption, individuals could be ingesting as much as 200 micrograms of the neurotoxin per week—three times more than the amount the fda deems safe for children, pregnant women, women who plan to become pregnant, and nursing mothers.

 

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But the FDA and the Corn Refiners Association, an industry trade group, claim there’s nothing to worry about. The group hired ChemRisk, the consulting firm whose scientists testified on behalf of a polluting utility in the lawsuit portrayed in Erin Brockovich, to analyze Dufault’s report. ChemRisk criticized Dufault for not specifying the type of mercury her tests had found. This, the consultants said, was key, since mercury poses different risks depending on its chemical form. In its unadulterated elemental state, mercury is relatively safe to ingest—the body absorbs only about a tenth of a percent of it. Inorganic forms of mercury, such as cinnabar, are more easily absorbed and therefore more dangerous than elemental. Organic forms, like methylmercury, which originate from fossil-fuel emissions and build up in the fatty tissue of tuna and other kinds of fish, are the worst; readily absorbed, they can cumulatively damage the brain and nervous system.

Though it provides no scientific evidence to back up this assertion, the FDA says that the mercury in Dufault’s HFCS samples is elemental. But the lab that analyzed the samples believes there’s a good chance the mercury is organic. The analysts “said in so many words, ‘It doesn’t look like inorganic,'” says Peter Green, Dufault’s UC-Davis colleague who coordinated with the lab. “They would even say it’s more likely not the regular elemental mercury.”

The corn-syrup industry claims that no HFCS manufacturers currently use mercury-grade lye, though it concedes some used to. (According to the EPA, four plants still use the technology.) It says that its own tests found no traces of mercury in HFCS samples from US manufacturers, including a number of samples from some of the same sources Dufault tested. But hundreds of foreign plants still use mercury to make lye—which may then be used to make foods for export. Already, 11 percent of the sweeteners and candy on the US market are imported.

At around the same time that she published her study, Dufault also learned of a report issued by the Minnesota-based Institute for Agriculture and Trade Policy, which found low levels of mercury in 16 common food products, including certain brands of kid-favored foods, like grape jelly and chocolate milk. Researchers haven’t proven that the mercury in the foods came from HFCS, but internist Jane Hightower, who coauthored the Environmental Health study, points out that it ultimately doesn’t matter how it got there: The FDA has allegedly known about the mercury-contaminated hfcs for nearly four years and “should already have an answer for us based on science and not speculation,” she says. The agency says it has no plans for further testing unless additional evidence of harm emerges in outside scientific literature. But the issue has been getting some attention in Congress—a bill proposed in April would require plants that once employed the technology to report how much mercury they used.

Dufault retired from the FDA in January 2008, after the agency began taking her off her field projects. “All of a sudden, they wanted me to sit in the office,” she says. She moved to Hawaii, but she hasn’t exactly been lounging on the beach. She recently finished a paper, currently in the peer-review process, that explores why children and fetuses are more sensitive to mercury than adults. She also teaches second- and third-graders with learning disabilities. “I worked for an organization that allowed stuff to go on that probably impacted these children,” she says. “I look at this as doing penance.”

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6 Responses to “Corn Syrup’s Mercury Surprise”

By Michael Lubeck - 25 June 2013 Reply

The FDA and indistry are our enemies… we are having more and more Health problems because we are being poisoned by people who know the truth, but have so much money they can cover things up. Modified foods are a huge trouble that is being covered up in America.

By TruthHunter - 29 June 2013 Reply

The NSA and the FBI pour through phone records to catch
a handful of terrorists. Neither bother to protect us from
myriads of rogue web sites robbing us of thousands of
hours and dollars.

The FDA’s decisions in many cases seem criminal. When
lives are sacrificed to corporate profits how else should
we see it? A simple multiplier was found many years ago
that would reduce 10 fold the amount of chemo needed to
treat cancer. Was it followed up? Not when money making
is effected. Will people ever wake up when the same
Corporations feed them their news?

By Edward Lindemann - 5 July 2013 Reply

The FDA,USDA are not looking out for the general public. If they were there would not be so many recalls on food and drugs.

Ex.Monsanto its O.K.to eat foods that have sprayed with Round-Up
Read the labels.

By RICHARD SULLIVAN - 5 July 2013 Reply

Signing these petitions is a futile process. Its meant to distract the people into thinking the FDA ,EPA or any other public safety office cares. The fact is, they have already made their decision.Take the recent glyphosate petition by Monsanto. They wanted to raise the acceptable levels to 100,000 times the toxic, cancer causing amount. It was passed, completely ignoring scientific research and data results from world renowned geneticists not to mention most countries in the have completely banned or have mandatory labeling. new legislation needs to be installed before anything can be accomplished.

By Frank Herd - 11 July 2013 Reply

While we respect your opinion, we suggest that the belief that petitioning the government accomplishes nothing does not remove our responsibility to make our voices heard.
Regardless of one’s confidence in our comments being taken seriously, saying nothing assures a continuation of the status quo, and is a tacit endorsement of current policy. You can bet they will hear THAT message loud and clear.

By Common Sense - 6 July 2013 Reply

I find it interesting now that “real” scientific testing has revealed that HFCS has no negative impacts on our bodies that is different than any other sugar source – meaning sugar from any source is just sugar and should be consumed wisely – suddenly we find new “data”. Beware! Live in fear! HFCS has mercury, lead, and is probably radioactive! Buy American and use common sense.

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