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 (kwĭn′ə-lēn′, -lĭn)
An aromatic organic base, C9H7N, having a pungent tarlike odor, synthesized or obtained from coal tar, and used as a food preservative and in making antiseptics, drugs, and dyes.


(ˈkwɪnəˌliːn; -lɪn)
1. (Elements & Compounds) an oily colourless insoluble basic heterocyclic compound synthesized by heating aniline, nitrobenzene, glycerol, and sulphuric acid: used as a food preservative and in the manufacture of dyes and antiseptics. Formula: C9H7N
2. (Elements & Compounds) any substituted derivative of quinoline


(ˈkwɪn lˌin, -ɪn)

a colorless liquid nitrogenous base, C9H7N, having a disagreeable odor, occurring in coal tar: used as a solvent and reagent and to make dyes.
References in periodicals archive ?
Quinoline antimalarials: mechanisms of action and resistance and prospects for new agents.
Tenders are invited for Supply of Chemicals -Picric Acid Solum, Diazo Reagent A, Diazo Reagent B, ISO Octane (2,2,4-Trimenthylpentane), Ethyl Acetate, Zinc Oxide Emplura, Isolation & Identification of oil soluble colour, i) Ammonia, All Solution of Reference colour:- Sudan-1, Sudan III, Sudan IV, Quinoline Yellow, Metanil Yellow, Methyl Orange (PH Indicator), Silica Gel G for TLC, Silver Nitrate Extra, Sucrose, Boric Acid Exrapure, Methanol, Buffer Tablet PH-4, Buffer Tablet PH-7,
The Southampton Seven are: Tetrazine (E102), Quinoline yellow (104), Sunset yellow (110), Carmoisine (E122), Ponceau 4R (E124), Allura red (E129), and the preservative Sodium Benzoate (E211).
Nine monoterpenoid indole alkaloids; naucletine (1), angustidine (2), nauclefine (3), angustine (4), naucline (5), angustoline (6), harmane (7), 3,14-dihydroangustoline (8), strictosamide (9) and one quinoline alkaloid glycoside; pumiloside (10) from Nauclea officinalis were tested for cholinesterase inhibitory activity.
falciparum multidrug resistance-1 copy number is also believed to reduce parasite sensitivity to some quinoline antimalarials (typically an aminoquinoline) the partner drug of ACT (17-18).
ORs were positive but not statistically significant for the other exposures of a priori interest except quinoline.
Enone 1 reacts under Michael conditions with malononitrile to give the quinoline derivative (11).
Affected sources are those facilities that generate or produce the following HAPs of concern above the OSHA thresholds: 1,3-butadiene, 1,3-dichloropropene, acetaldehyde, chloroform, ethylene dichloride, hexachlorobenzene, methylene chloride, quinoline, hydrazine, and compounds of arsenic, cadmium, chromium, lead, manganese, and nickel.
Based on natural sources such as paprika, lutein and beta-carotene they represent an excellent natural alternative to the much-debated artificial colorants Sunset Yellow, Tartrazine and Quinoline Yellow.
Quinoline derivatives have been earlier used for a long time in the treatment of human amoebic dysentery and bacillary dysenteries (de Alencar and Sampaio, 1963; Heseltine and Campbell, 1960; Heseltine and Freeman, 1959).
Antimicrobial compounds which are water soluble and easily dispersible materials such as quaternary ammonium compounds, bisquanidine compounds, dialkyl quaternary compounds, quinoline compounds, substituted phenols, chlorhexidine, didecyldimethyl ammonium chloride, and a mixture of these materials are generally employed [26].
Since a 2007 study conducted at the University of Southampton linked the artificial colourants sunset yellow, quinoline yellow, carmosine, allura red, ponceau 4R and tartrazine--subsequently dubbed the Southampton Six--to increased hyperactivity in children, a prevailing sense of latent uneasiness has risen to the level of outright alarm.