“…Diacetyl is naturally present in wine, brandy, balsamic vinegar, roasted coffee, honey, ensilage, and many other fermented foods (Grandi and others ; Ugliano and others ; Bartowsky and Henschke ). A number of low molecular‐weight volatile compounds are generated by microorganisms from carbohydrate catabolism during fermentation of meats, including diacetyl, acetoin, butanediol, acetaldehyde, ethanol, and acetic, propionic, and butyric acids (Toldra ).…”