Friday, August 08, 2008

Would You Like Diet or Regular Benzene?

Benzene is an industrial solvent and a known carcinogen, so food companies generally try to keep it out of their products.
However, two chemicals found in soda, sodium benzoate (a preservative) and ascorbic acid (vitamin C), can react to form benzene, especially in the presence of heat or light.
In 2007, Coca-Cola and Pepsi agreed to settle lawsuits brought against them after benzene was detected in their products. The suit alleged that Pepsiā€™s Diet Wild Cherry drink had benzene levels nearly four times the maximum level set by the Environmental Protection Agency for drinking water. Oopsy. Both companies agreed to reformulate; however, thousands of soft drinks containing benzoate and citric acids are still on the market.

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