| quinol | <chemistry> A white crystalline substance, C6H4(OH)2, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Synonym: dihydroxy benzene. Origin: Hydro-, 2 + quinone. Source: Websters Dictionary (01 Mar 1998) |
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| quinoline | <chemistry> A nitrogenous base, C9H7N obtained as a pungent colourless liquid by the distillation of alkaloids, bones, coal tar, etc. It the nucleus of many organic bodies, especially of certain alkaloids and related substances; hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type. Alternative forms: chinoline. Origin: Quinine + L. Oleum oil + -ine. Source: Websters Dictionary (01 Mar 1998) |
| quinoline dehydrogenase | <enzyme> Forms 2-hydroxyquinoline; molybdenum-containing enzyme; oxygen atom is derived water Registry number: EC 1.5.1.- (26 Jun 1999) |
| quinoline oxidoreductase | <enzyme> Oxidises quinoline, quinoline-4-carboxylate, 4-chloroquinoline and 4-methylquinoline to the corresponding 2-oxo-1,2-dihydroquinolines; contains molybdopterin; qorl, qors, and qorm are subunits of enzyme from pseudomonas putida Registry number: EC 1.5.99.- Synonym: quinoline-4-carboxylic acid oxidoreductase, quinoline 2-oxidoreductase, qorl gene product, qors gene product, qorm gene product (26 Jun 1999) |
| quinolinic acid | <chemical> 2,3-pyridinedicarboxylic acid. A metabolite of tryptophan with a possible role in neurodegenerative disorders. Elevated csf levels of quinolinic acid are significantly correlated with the severity of neuropsychological deficits in patients who have aids. Chemical name: 2,3-Pyridinedicarboxylic acid (12 Dec 1998) |
| quinolinic acid synthetase | <chemical> Aspartic acid and dihydroxyacetone phosphate are substrates; fad is cofactor Chemical name: synthetase, quinolinate Synonym: quinolinate synthetase (26 Jun 1999) |
| quinolinol | A fungistat and chelating agent. Synonym: quinolinol. (05 Mar 2000) |
| quinolizidines | A class of alkaloids based on the quinolizidine (norlupinane) structure. (05 Mar 2000) |
| quinologist | One who is versed in quinology. Source: Websters Dictionary (01 Mar 1998) |
| quinology | <study> The science which treats of the cultivation of the cinchona, and of its use in medicine. Origin: Quinine. Source: Websters Dictionary (01 Mar 1998) |
| quinolones | Quinolines which are substituted in any position by one or more oxo groups. These compounds can have any degree of hydrogenation, any substituents, and fused ring systems. (12 Dec 1998) |