Butter Flavor, Diacetyl FEMA 2379

Diacetyl (2,3-Butadione), the characterizing component of butter, is a naturally present flavor component in many of my favorite foods: butter, wine, coffee, strawberries, cheese, tea, beer and mangos. Just like butter is essential to any good recipe, diacetyl was an essential ingredient for flavors. I say was, because  diacetyl has been implicated in causing bronchiolitis obliterans, a debilitating and sometimes fatal lung disease, in workers in the food and flavor industry (http://defendingscience.org/case-studies/case-regulatory-failure-popcorn-workers-lung). Since then, it's use is in flavors is "complicated". Diacetyl, a yellow liquid,  is naturally present in food and safe to consume and the level used in food, but it is hazardous … [Read more...]