Featured this week Diacetyl Diacetyl, also called butanedione or butane-2,3-dione) is an organic compound with the chemical formula (CH3CO)2. It is a volatile, yellow/green liquid with an intensely buttery flavour. [1] It contributes to beer and wine and has a slick or slippery texture at low levels and a butterscotch flavour at higher levels. It […]