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Image: Getty In analyzing 51 different flavored e-cigarettes, author of the study Joseph Allen and his team found at least one of three top toxins — diacetyl, acetoin and 2,3-pentanedione — in ...
Diacetyl is a chemical used to produce the artificial butter flavoring [25] in many foods such as candy and microwave popcorn and occurring naturally in wines. This first came to public attention when eight former employees of the Gilster-Mary Lee popcorn plant in Jasper, Missouri developed bronchiolitis obliterans.
Bronchiolitis obliterans, or “popcorn lung,” is a condition where the smallest pathways in the lungs become inflamed, resulting in frequent coughing and shortness of breath.
Diacetyl occurs naturally in alcoholic beverages and some cheeses and is added as a flavoring to some foods to impart its buttery flavor. Chronic inhalation exposure to diacetyl fumes is a causative agent of the lung disease bronchiolitis obliterans, commonly known as "popcorn lung".
The lung disease bronchiolitis obliterans is attributed to prolonged exposure to diacetyl, e.g. in an industrial setting. [2] [3] Workers in several factories that manufacture artificial butter flavoring have been diagnosed with bronchiolitis obliterans, a rare and serious disease of the lungs. [2]
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Some sweet flavors containing diacetyl and acetyl propionyl include butter, chocolate, milk, or toffee. [234] Diacetyl occurs in a variety of e-cigarette flavorings such as caramel, butterscotch, watermelon, pina colada, and strawberry. [236] A 2016 Harvard detected 39 of the 51 flavored e-cigarettes tested contained diacetyl. [238]
On the other hand, she says, traditional microwave popcorn contains a fair amount of hydrogenated oils (unless it’s labeled 94% fat-free) and sodium, as well as diacetyl, a buttery-flavored ...