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, diacetal (dī-as'ĕ-til, dī-as'ĕ-tăl),
A yellow liquid, (CH3CO)2, having the pungent odor of quinone and carrying the aromas of coffee, vinegar, butter, and other foods; a byproduct of carbohydrate degradation.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
One of these chemicals is diacetyl, which can be used to create a wide range of vaporized aromas.
One postulate of our previous study highlighted this point: the diacetyl, a key component of the buttery aroma obtained from the fermentation of citrate by a Lactococcus strain was added to the dough used to make white sandwich breads.
Urea reacts directly with diacetyl monoxime under strongly acidic conditions to give a yellow condensation product.
elegans can detect thousands of different odors, including diacetyl. However, in experiments, Bargmann discovered if she knocked out one specific olfactory receptor, the worms could not detect the smell of diacetyl at all.
The other compounds detected in beer are vicinal diketones, also produced as byproducts of the synthesis pathway of some amino acids during fermentation and diacetyl, that is, more flavour-active than the other, mainly responsible for the buttery flavour in beer [33].
They include recognised carcinogen formaldehyde, acrolein - a toxin and irritant to the eyes, skin and nose - and diacetyl, which can cause breathing problems.
For example, one known harmful ingredient, diacetyl, is a flavoring additive which can cause bronchiolitis obliterans (ALA, 2016).
Many flavoured e-liquids contain diacetyl, which adds a "buttery" or "creamy" flavour to the product.
At the beginning of the year 2000, diacetyl was associated with a disease named "Popcorn Lung".
The diluents present in taste and flavor additives include benzoic alcohol and diacetyl (2,3-butadione), compounds which promote significant changes in the mitotic spindle and cell division of human peripheral blood cells (Demir, Kocaoglu, & Kaya, 2010) and significant damage to the chromosome 11 locus of rodents, causing loss of expression of essential genes controlling cell division (Whittaker, Clarke, San, Begley, & Dunkel, 2008), respectively.