The industry favorite ??? found in products including margarines, snack foods, sweets, baked goods, some types of microwave popcorn, pet foods, and certain alcoholic beverages ??? is known for its distinctive buttery taste and aroma.???Diacetyl is ubiquitous in the modern human diet and is present often as an added flavorant,??? say the researchers, led by Professor Robert Vince, from the Universi