“Cancer” Causing Chemicals in Coke and Pepsi to be Decreased
March 21, 2012
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Representatives from Coca-Cola and Pepsi stated in a press release that they have lowered levels of a chemical found in caramel coloring to comply with a California law, but insisted the drinks pose no health risks and recipes will not be changed. This move allows both companies to avoid having to label products with a cancer warning due to what the state of California has ruled are high levels of 4-methylimidazole (MEI), of which is shown to cause cancer in lab rodent subjects. The chemical forms as a by-product of a heating process to create caramelization when ammonia or ammonia sulfite is used.
Both Coca-Cola and Pepsi have said their popular and highly secretive soda recipes will not be altered but that caramel suppliers have been asked to reduce 4-MEI levels in California, a change that will eventually spread across the United States.
“We are NOT changing our recipe or our formula,” Coca-Cola Company spokesman Ben Sheidler stated in his public statement. “What we did do is direct our caramel suppliers to make a manufacturing process modification in order to reduce the level of 4-MEI in our caramel so as to meet the requirement set by the state of California’s Proposition 65.”
For its part, PepsiCo said its beverages “are and always will be safe for consumption.” And that “Consumers will notice no difference in our products and have no reason at all for any health concerns. There is no scientific evidence that 4-MEI in foods and beverages are a threat to human health,” it added.
California state voters passed Proposition 65 in 1986, and the law aims to protect state residents from “chemicals known to cause cancer, birth defects, or other reproductive harm, and to inform citizens about exposures to such chemicals.” A California court has since ruled in December 2011 that 4-MEI could be listed as a known carcinogen under Prop 65. The state of California set a 29-microgram benchmark for 4-MEI in products. Anything that may expose consumers to a daily level higher than that must carry a warning label.
According to the Center for Science in the Public Interest (CSPI), a recent sampling of Coke and Pepsi drink cans in the Washington area showed levels ranging between 103 and 153 micrograms of 4-MEI. But beverage industry leaders, including the American Beverage Association (ABA), argued the evidence of a cancer link is limited to one study in mice and is not recognized by major US, European, and Canadian health agencies. The ABA also added that a person would need to drink massive amounts of cola to reach a risk level similar to the dosing in mice — 2,900 cans of cola every day for 70 years — that served as the basis for California’s decision. “The science simply does not show that 4-MEI in foods or beverages are a threat to human health,” the ABA said.
CSPI has petitioned the US Food and Drug Administration to ban ammonia-sulfite caramel coloring, which is the type used in many common products including cola, soy sauce, coffee, bread, molasses, gravy, and some beers. Jacobson applauded the move to cut levels in California, and urged more action on a global scale. “The question is, when will Coke and Pepsi make these changes around the world, not just in California?” Jacobson said. Sheidler said Coca-Cola would begin enacting the same changes to beverages nationwide and globally “in order to streamline and simplify our supply chain, manufacturing and distribution systems,” though no timeline has been set.