Food and Drug Administration (FDA) representatives are slated to present findings of the agency’s analysis of more than 200 foods containing Class III and Class IV caramels for 4-methylimidazole (4-MEI), a chemical byproduct of manufacturing processes, during the American Chemical Society National Meeting & Exposition, August 10-14, 2014, in San Francisco, California.

According to the session abstract, FDA’s analysis estimated dietary exposure to 4-MEI for six U.S. populations: infants younger than age 1; 1-year-olds; children ages 2 and older; children ages 2 to 5; children ages 6 to 12; and teenage boys ages 12 to 18.

Consumer Reports has urged the agency to set standards for 4-MEI in foods and called on manufacturers to disclose the types of caramel color in their products so that consumers can avoid 4-MEI. The compound was added to California’s Proposition 65 list of substances known to the state to cause cancer in 2011 based on National Toxicology Program studies that reportedly concluded that long-term exposure to 4-MEI increased the incidence of lung tumors in mice.