Respiratory Disease Among Flavoring-exposed Workers in Food and Flavoring Manufacture

Fixed airways obstruction was found in workers producing microwave popcorn in relation to inhaling synthetic butter flavoring volatiles in 2000. Since then, an industry-wide hazard of clinical bronchiolitis obliterans was found in other microwave-popcorn plants, in flavoring manufacture, and in diacetyl (2,3-butanedione) manufacture. Recently, workers in 1 food production and 1 flavoring manufacturing facility have had excesses of spirometric...