JBeukema
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A few days ago it was revealed that diet soda can trigger strokes in regular drinkers of the sweet fizzy beverages. Now the Center for Science in the Public Interest is petitioning the U.S. Food and Drug Administration to prohibit what it says is carcinogenic “caramel coloring” (that is, not real caramel but synthetic, chemical “caramel”:
The “caramel coloring” used in Coca-Cola, Pepsi, and other foods is contaminated with two cancer-causing chemicals and should be banned, according to a regulatory petition filed today by the Center for Science in the Public Interest.
In contrast to the caramel one might make at home by melting sugar in a saucepan, the artificial brown coloring in colas and some other products is made by reacting sugars with ammonia and sulfites under high pressure and temperatures. Chemical reactions result in the formation of 2-methylimidazole and 4 methylimidazole, which in government-conducted studies caused lung, liver, or thyroid cancer or leukemia in laboratory mice or rats.
http://www.cspinet.org/new/201102161.html