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.
| c 1919 Decennial Index Chem. Abstr. I–X, 2015 Acetoin, see 2-Butanone, 3-hydroxy-. 1935 Jrnl. Chem. Soc. 704 Acetylmethylcarbinol, or acetoin..the aliphatic analogue of benzoin, is one of the simplest unsaturated optically active compounds. 1976 Ann. 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. |