acetaldehyde

acetaldehyde
An intermediate in yeast fermentation of carbohydrate and in alcohol metabolism. It is a central agent for the toxic effects of ethanol. SYN: acetic aldehyde, ethanal.
- activated a. the activated form of a. that is formed during the decarboxylation of active pyruvate. Formed in alcohol fermentation and in carbohydrate metabolism. SYN: α-hydroxyethylthiamin pyrophosphate.

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ac·et·al·de·hyde .as-ə-'tal-də-.hīd n a colorless volatile water-soluble liquid aldehyde C2H4O used chiefly in organic synthesis that can cause irritation to mucous membranes

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ac·et·al·de·hyde (as″ət-alґdə-hīd″) a colorless flammable liquid with a pungent odor, used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. If ingested, it may cause irritation of mucous membranes, lacrimation, photophobia, conjunctivitis, corneal injury, rhinitis, anosmia, bronchitis, pneumonia, pleurisy, headache, and unconsciousness. Called also acetic aldehyde, ethanal, and ethylaldehyde.

Medical dictionary. 2011.

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  • Acetaldehyde — Ac et*al de*hyde, n. Acetic aldehyde. See {Aldehyde}. [1913 Webster] …   The Collaborative International Dictionary of English

  • acetaldehyde — [as΄et al′də hīd΄] n. [contr. < acetic aldehyde] a colorless, soluble, flammable, liquid aldehyde, CH3CHO, formed by the oxidation of ethylene: used as a solvent and as a raw material in making many organic compounds …   English World dictionary

  • Acétaldéhyde — Éthanal Éthanal Formule semi développée de l éthanal Général Nom IUPAC éthanal …   Wikipédia en Français

  • acetaldehyde — /as i tal deuh huyd /, n. Chem. a volatile, colorless, water soluble liquid, C2H4O, having a pungent, fruitlike odor: used chiefly in the silvering of mirrors and in organic synthesis. Also called ethanal. [1875 80; ACET + ALDEHYDE] * * * ▪… …   Universalium

  • acetaldehyde — Aldehyde Al de*hyde ([a^]l d[ e]*h[imac]d), n. [Abbrev. fr. alcohol dehydrogenatum, alcohol deprived of its hydrogen.] 1. (Chem.) A colorless, mobile, and very volatile liquid obtained from alcohol by certain processes of oxidation. [1913… …   The Collaborative International Dictionary of English

  • acetaldehyde — Aldehyde Al de*hyde ([a^]l d[ e]*h[imac]d), n. [Abbrev. fr. alcohol dehydrogenatum, alcohol deprived of its hydrogen.] 1. (Chem.) A colorless, mobile, and very volatile liquid obtained from alcohol by certain processes of oxidation. [1913… …   The Collaborative International Dictionary of English

  • acetaldehyde — acetaldehidas statusas T sritis chemija formulė CH₃CHO atitikmenys: angl. acetaldehyde rus. ацетальдегид; уксусный альдегид ryšiai: sinonimas – etanalis …   Chemijos terminų aiškinamasis žodynas

  • Acetaldehyde dehydrogenase — Acetaldehyde dehydrogenases (EC number|1.2.1.10) are dehydrogenase enzymes which catalyze the conversion of acetaldehyde into acetic acid. The oxidation of acetaldehyde to acetate can be summarized as follows::CH3CHO + NAD+ + CoA → acetyl CoA +… …   Wikipedia

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