acetoin
A condensation product of two molecules of acetaldehyde.

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acet·o·in ə-'set-ə-wən n a colorless liquid hydroxy ketone C4H8O2 formed from various carbohydrates by fermentation called also acetylmethylcarbinol

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acet·o·in (ə-setґo-in) a ketone product formed in the fermentation of glucose by certain bacteria, especially species of Enterobacteriaceae, and detected by the Voges-Proskauer test.

Medical dictionary. 2011.

Look at other dictionaries:

  • Acetoin — Strukturformel Allgemeines Name 3 Hydroxy 2 butanon Andere Namen Acetoin Acetyl …   Deutsch Wikipedia

  • Acetoin — A|ce|to|in [Kurzw. aus ↑ Acet u. ↑ oin], das; s; Syn.: 3 Hydroxybutan 2 on: ein ↑ Acyloin. * * * Acetoin   das, s, 3 Hydrọxy 2 butanon, die …   Universal-Lexikon

  • acetoin — acetoinas statusas T sritis chemija formulė CH₃COCH(OH)CH₃ atitikmenys: angl. acetoin rus. ацетоин ryšiai: sinonimas – 3 hidroksi 2 butanonas …   Chemijos terminų aiškinamasis žodynas

  • acetoin — /euh set oh in/, n. Chem. a yellowish, pleasant smelling liquid, C4H8O2, obtained from various carbohydrates, as glucose, by fermentation: used chiefly in the manufacture of flavors and essences. Also called acetylmethylcarbinol, dimethylketol.… …   Universalium

  • acetoin — noun The compound 3 hydroxybutanone CH CO CH(OH) CH that is one of the constituents of the flavour of butter …   Wiktionary

  • acetoin — n. yellowish liquid with a pleasant odor obtained from different carbohydrates …   English contemporary dictionary

  • acetoin — acet·o·in …   English syllables

  • acetoin — əˈsed.əwə̇n noun ( s) Etymology: International Scientific Vocabulary acet + oin : a colorless liquid hydroxy ketone CH3COCHOHCH3 formed from various carbohydrates by fermentation called also acetylmethylcarbinol …   Useful english dictionary

  • Acetoin dehydrogenase — or diacetyl reductase (EC 1.1.1.303, EC 1.1.1.304) is an enzyme that catalyzes the transformation of acetoin to diacetyl. This enzyme related article is a …   Wikipedia

  • Acetoin racemase — In enzymology, an acetoin racemase (EC number|5.1.2.4) is an enzyme that catalyzes the chemical reaction:(S) acetoin ightleftharpoons (R) acetoinHence, this enzyme has one substrate, (S) acetoin, and one product, (R) acetoin.This enzyme belongs… …   Wikipedia

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