Diacetyl notice! : r Vaping Acetoin is a precursor to diacetyl in e cigarette liquids ScienceDirect A Kernel of Truth: Diacetyl, Popcorn Lung and E Liquids Dinner Lady Ministry warns of vaping product over chemical linked to 'popcorn lung' NZ Herald Fruit flavored vapes just cleared a major hurdle with the FDA. The Food and Drug Administration authorizing the marketing of fruit flavored e cigarettes, marking the first time it has approved this category of vaping