Diacetyl (butanedione) molecule. Responsible for taste of butter. Used for butter flavouring. Causes popcorn worker’s lung.

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Diacetyl (butanedione) molecule. Responsible for taste of butter. Used for butter flavouring. Causes popcorn worker’s lung (bronchiolitis obliterans). Atoms are represented as spheres with conventional color coding: hydrogen (white), carbon (grey), oxygen (red).

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Keywords: alcoholic, atomic, atoms, beverage, biacetyl, bronchiolitis, butanedione, butter, butterscotch, buttery, carbon, diacetyl, diketone, dimethyl, fermentation, flavor, hydrogen, ketone, margarine, microwave, model, molecular, molecule, obliterans, oxygen, popcorn, taste