KnowraDiacetylLinked fromLinked fromThe 3 pages that link to Diacetyl, each with the reason it gives.All 3Broader topic 1Related 2Sour creamRelated: It can contribute buttery notes alongside sour cream’s acidity.Malolactic fermentationRelated: Malolactic fermentation can generate diacetyl, especially under particular cellar conditions.Bronchiolitis obliteransBroader topic: Occupational exposure to diacetyl has been linked to bronchiolitis obliterans in flavoring-plant workers.