Chronic exposure to an artificial butter flavoring ingredient, known as diacetyl, may worsen the harmful effects of a protein in the brain linked to Alzheimer's disease, according to a new study.
The findings should serve as a red flag for factory workers with significant exposure to the food-flavoring ingredient, researchers from the University of Minnesota said in the report published in a recent issue of the journal Chemical Research in Toxicology.
Diacetyl is used to give a buttery taste and aroma to common food items such as margarines, snack foods, candy, baked goods, pet foods and other products.
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