OMAHA, Neb. — The nation's four biggest makers of microwave popcorn have removed a flavoring chemical that has been linked to a lung ailment in popcorn plant workers from nearly all their products.
The companies say all their microwave popcorn recipes should be changed by January.
But it might take several months for the reformulated popcorn to replace all the older varieties on store shelves.
In August, the Weaver Popcorn Company of Indianapolis announced it had removed the butter flavor diacetyl from all its microwave popcorn varieties.
ConAgra Foods, of Omaha, General Mills, of Golden Valley, Minn., and the American Pop Corn Co., of Sioux City, Iowa, all promised in September to change their microwave popcorn recipes. Those three companies sell Orville Redenbacher, Act II, Pop Secret and Jolly Time microwave popcorn.
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