Agnes Mercado, of Queens County, New York, filed a personal injury lawsuit against ConAgra Foods, Inc., Givaudan Flavors Corp. and numerous diacetyl manufacturers.

In April 2010, Ms. Mercado was diagnosed with a severe lung disease as a result of her exposure to ConAgra’s microwave popcorn which contained butter flavorings with added diacetyl. The disease is associated with inhaling butter flavoring vapors and has been identified as bronchiolitis obliterans — literally, an obliteration of the lung’s airways. Breathing tests can identify difficulty in moving air in and out of the lungs, called lung obstruction. In the case of bronchiolitis obliterans, that obstruction is “fixed,” meaning it doesn’t respond to normal asthma medications.

About her injury, Ms. Mercado stated, “I have always taken good care of myself and never would have thought that something as seemingly harmless as eating microwave popcorn would have hurt me so badly.” The lawsuit charges that Ms. Mercado sustained a severe lung disease after consuming microwave popcorn containing the butter flavoring chemical diacetyl. The chemical is used for the aroma and taste in butter, some cheeses and snack and bakery products.

Learn more about diacetyl injuries and the rights of victims of diacetyl-related lung diseases.