American McNuggets (190 calories, 12 grams of fat, 2 grams of saturated fat for 4 pieces) contain the chemical preservative tBHQ, tertiary butylhydroquinone, a petroleum-based product. They also contain dimethylpolysiloxane, “an anti-foaming agent” also used in Silly Putty.
Christopher Kimball, the founder and publisher of Cook’s Illustrated magazine and host of the syndicated cooking show America’s Test Kitchen, says he suspects these chemicals are required for the nuggets to hold their shape and texture after being extruded into nugget-shaped molds.These chemicals don't show up in McNuggets in Britain, apparently due to the EU's stricter food laws.
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