释义 |
acetoin, n. Chem.|əˈsiːtəʊɪn, ˈæsɪtəʊɪn| [f. aceto- + -in1, after benzoin n.] A hydroxyketone, C4H8O2 , which gives butter and cream their characteristic aroma; 2-hydroxybutan-3-one.
c1919Decennial Index Chem. Abstr. I–X, 2015 Acetoin, see 2-Butanone, 3-hydroxy-. 1935Jrnl. Chem. Soc. 704 Acetylmethylcarbinol, or acetoin..the aliphatic analogue of benzoin, is one of the simplest unsaturated optically active compounds. 1976Ann. Rev. Microbiol. XXX. 561 If..fumarate is provided as a hydrogen acceptor, acetoin (acetylmethylcarbinol) is excreted, attended by a corresponding reduction in formate and ethanol production. |