acetaldehyde

/as-i-tal-duh-hahyd/US // ˌæs ɪˈtæl dəˌhaɪd //UK // (ˌæsɪˈtældɪˌhaɪd) //

乙醛

Definitions

n.名词 noun

1
Chemistry.
- : a volatile, colorless, water-soluble liquid, C2H4O, having a pungent, fruitlike odor: used chiefly in the silvering of mirrors and in organic synthesis.

She explains that exposing wine to oxygen triggers chemical reactions that turn alcohol into acetaldehyde.
The substance investigated was acetaldehyde, C2H4O, in its relation to paraldehyde, a polymeric modification.
Acetaldehyde, which is halfway between alcohol and acid, may also be easily oxidized to acetic acid.
Metaldehyde (C2H4O2)2, obtained by treating acetaldehyde at a low temperature with hydrochloric acid.
The decomposition of pyruvic acid into acetaldehyde and carbon dioxide has already been fully discussed (Chapter VI).
Important evidence as to the specific capability of yeast to reduce acetaldehyde to alcohol has been obtained by several workers.