Coca-Cola has recently switched to a new manufacturing process in America to bring down the level of the suspect chemical, 4-methylimidazole (4-MI), but the precaution has not yet been taken in other countries such as Britain, where its products are the nation's biggest selling soft drink with sales of 1.
What does 4-MEI stand for?
4-MEI stands for 4-Methylimidazole (chemical compound)
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Samples in periodicals archive:
The change is meant to reduce the amount of a chemical called 4-methylimidazole, or 4-MI, which in January was added to the list of chemicals covered by California's Safe Drinking Water and Toxic Enforcement Act of 1986, also known as Proposition 65.
Bosses have told manufacturers of the additive to reduce its levels of 4-methylimidazole, which can be formed during the cooking process and has been linked with cancer.
As the recipe has undergone modifications over the years, the soda now gets its caramel colour from a mixture containing compound 4-methylimidazole, also known as 4-MI or 4-MEI.
They said that 2-methylimidazole and 4-methylimidazole, which form when sugar is mixed with ammonia and sulfites to create caramel colouring, had been shown to cause lung, liver and thyroid cancer in mice and rats.