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    Wikipedia
    https://en.wikipedia.org › wiki › Diacetyl

    Diacetyl - Wikipedia

    Chemical structure

    A distinctive feature of diacetyl (and other vicinal diketones) is the long C–C bond linking the carbonyl centers. This b… 展开

    Occurrence and biosynthesis

    Diacetyl arises naturally as a byproduct of fermentation. In some fermentative bacteria, it is formed via the thiamine pyrophosphate-mediated condensation of pyruvate and acetyl CoA. Sour (cultured) cream, cultured … 展开

    CAS号431-03-8
    PubChem650
    ChemSpider630
    ChEBI16583
    黄油风味的真相
    黄油风味的真相
    您可能喜欢爆米花，人造黄油和一些烘焙食品的黄油味。但是你知道这种味道来自一种叫做双乙酰的化学物质吗？
    Production

    Diacetyl is produced industrially by dehydrogenation of 2,3-butanediol. Acetoin is an intermediate. 展开

    Applications

    Diacetyl and acetoin are two compounds that give butter its characteristic taste. Because of this, manufacturers of artificial butter flavoring, margarines or similar oil-based products typically add diacetyl and acetoin (along with … 展开

    Use as butter flavoring

    Chronic industrial exposure to diacetyl fumes, such as in the microwave popcorn production industry, has been associated with bronchiolitis obliterans, a rare and life-threatening form of non-reversible obstructive … 展开

    See also

    • Acetylpropionyl, a similar diketone
    • Acetoin
    • Bronchiolitis obliterans 展开

    Further reading

    • Harber P, Saechao K, Boomus C (2006). "Diacetyl-induced lung disease". Toxicological Reviews. 25 (4): 261–272. doi:10.2165/00139709-200625040-00006. PMID 17288497. S2CID 42169510. 展开

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