What foods are high in diacetyl?
Diacetyl naturally occurs in the production of butter (in fact, giving butter its flavor), cheese, milk, yogurt, whiskey, wine, beer, vinegar, roasted coffee, processed tomato products, and citrus juices.
How toxic is diacetyl?
These findings support the hypothesis that diacetyl vapors are an inhalation hazard in the workplace. Also, chemical workers in a plant that manufactured diacetyl and coffee workers exposed to diacetyl developed the same type of lung disease as microwave popcorn workers (van Rooy et al. 2007 and 2009).
Is diacetyl in food Safe?
The diacetyl-containing flavors may be found in microwave popcorn, snack foods, baked goods, and candies. Diacetyl was evaluated and affirmed as a generally recognized as safe (GRAS) direct food additive by the FDA in the early 1980s.