diacetyl


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di·a·ce·tyl

, 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.
References in periodicals archive ?
Diacetyl is an extremely toxic chemical that can cause a disabling and often fatal lung disease called bronchiolitis obliterans.
Popcorn workers lung, or bronchiolitis obliterans, is a severe, disabling and often fatal lung disease experienced by factory workers who produce or handle diacetyl, the artificial butter flavoring in popcorn.
Of the non-enzymatic procedures examined for soil and fertiliser samples, the spectrophotometric determination of urea with acidic diacetyl monoxime (Fig.
Diacetyl (2,3 Butanedione), and starter distillate (SD) are natural products that are produced by Streptococcus diacetylactis.
Under the terms of the Plan and motions to be presented to the Court at the outset of Chemtura Canada's Chapter 11 filing, all creditors of Chemtura Canada, other than holders of diacetyl claims, including employees and suppliers, will receive payment for all pre-filing claims in full.
9) The same year, Daniel Morgan, head of the Respiratory Toxicology Group at the National Institute of Environmental Health Sciences, and colleagues reported that mice develop bronchial epithelial damage after inhaling diacetyl vapors at concentrations equivalent to worker exposures.
Identification and quantification was based on external calibration with standard solutions of acetaldehyde, 2-pentanone, 2-butanone, ethylacetate (Fluka, Buchs SG, Switzerland); ethanol (Arcus, Oslo, Norway); 2-methyl-1-propanol, 2-methyl-1-butanol, 2-methyl-1-butanal, 3-methyl-1-butanol, 2-methyl-1-butanol, 2-methyl-1-propanol, 3-methyl-1-butanal, 3-methyl-1-butanol, 2-methyl-1-butanol, 2-methyl-1-propanal, diacetyl, 2-propanol, 1- butanol, 2-butanol, acetoin, iso-butylacetate, acetone, 2,3-pentanedione, ethylacetate, acetone, isobutyl acetate and ethyl butyrate (Merck KGaA, Darmstadt, Germany).
NTB may result from the Maillard reaction, however in this case the amino acids react with nonsugar carbonyl compounds, such as diacetyl, glyoxal or methylglyoxal.
Two of the country's largest workers' unions are petitioning the Department of Labor to issue an emergency order to reduce factory exposure to diacetyl.
This is a fermentation byproduct and some yeast strains produce more diacetyl than others.
10:00 INFLUENCE OF DIACETYL AND HEAT ON CELLULAR LEAKAGE AND DEATH OF STAPHYLOCOCCUS AUREUS AND SALMONELLA TYPHIMURIUM
With "down gradient" activation, as with 16[degrees]C worms, exposure to diacetyl could cause "up gradient" activity through synapses with AFD and AIY.