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Benzene concentrations in beverages
Journal of Agricultural and Food Chemistry

Only nine percent of 199 beverage samples had benzene levels above the U. S. Environmental Protection Agency (EPA) limit of 5 parts per billion (ppb) for benzene in drinking water, according to a study by EPA and U. S. Food and Drug Administration (FDA) scientists. It is scheduled for the current issue of ACS Journal of Agricultural and Food Chemistry, a bi-weekly journal.

Products containing benzene above the EPA level were reformulated by the manufacturers to minimize or eliminate benzene and one product was discontinued, researchers said. Benzene levels in the reformulated products were 1.1 ppb or less. About 71 percent of beverage samples in the study contained less than 1 ppb. Based on results from the survey and actions taken by the beverage industry, FDA concluded that the levels of benzene found did not pose a safety concern for consumers.

In the study, FDAs Patricia Nyman and colleagues point out that benzene can form at ppb levels in some beverages that contain a food preservative, benzoate salt, and ascorbic acid (vitamin C). In the early 1990s, the U.S. beverage industry
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