Pepsi was the first American consumer product to be manufactured and sold in the former Soviet Union. In 1991, Russians could buy the soda for 20 kopeks, about 10 cents. Peter Dejong/AP hide caption

itoggle caption Peter Dejong/AP

4-MEI, a chemical created during the manufacturing of caramel color used to dye sodas brown, is under new scrutiny. iStockphoto hide caption

itoggle caption iStockphoto

PepsiCo's product line ranges from salty chips and its sugary namesake drink to more healthful fare like hummus and yogurt. In 2010, the company announced plans to cut sugar, fat and sodium in its products to address health and nutrition concerns. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images