kynurenicadj.

/kɪnjʊˈrɛnɪk/

/kʌɪnjʊˈrɛnɪk/

Forms: Also † cyn-.

Etymology: translating German kynuren-säure kynurenic acid (J. Liebig 1853, in Ann. d. Chem. LXXXVI. 125), < Greek κυν- , κύων dog + -uren- , irregularly < οὖρον urine n.¹: see -ic suffix 1.

Biochemistry.

kynurenic acid n. a crystalline carboxylic acid, C₁₀H₇NO₃, that results from the metabolism of tryptophan and is excreted in the urine of man and various animals; 4-hydroxyquinoline-2-carboxylic acid.

ΘΚΠ

the world > matter > chemistry > organic chemistry > acids obtained from animals > [noun] > in urine > miscellaneous others

hippuric acid1831

alkapton1860

hydurilic acid1865

toluric acid1868

kynurenic acid1872

mercapturic acid1879

phenylpyruvic acid1887

EDTA1950

1872 Jrnl. Chem. Soc. 25 1028 When heated by 265° kynurenic acid evolves pure carbon dioxide and melts to a brown liquid.

1889 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. v. 226 When..cynurenic acid is heated with zinc dust in a current of hydrogen, it is reduced to quinoline.

1946 W. R. Fearon Introd. Biochem. (ed. 3) xvii. 351 Surplus dietary tryptophane is excreted in the urine as kynurenine (in rabbits), and as kynurenic acid (in dogs, rats, foxes and wolves).

1971 Pediatrics XLVII. 47/1 This study measured urinary excretion of kynurenic acid..and xanthurenic acid.., two tryptophan metabolites via the kynurenine pathway, in 26 hospitalized children.

This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020).

单词	kynurenic
释义	kynurenicadj. /kɪnjʊˈrɛnɪk//kʌɪnjʊˈrɛnɪk/ Forms: Also † cyn-. Etymology: translating German kynuren-säure kynurenic acid (J. Liebig 1853, in Ann. d. Chem. LXXXVI. 125), < Greek κυν- , κύων dog + -uren- , irregularly < οὖρον urine n.¹: see -ic suffix 1. Biochemistry. kynurenic acid n. a crystalline carboxylic acid, C₁₀H₇NO₃, that results from the metabolism of tryptophan and is excreted in the urine of man and various animals; 4-hydroxyquinoline-2-carboxylic acid. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from animals > [noun] > in urine > miscellaneous others hippuric acid1831 alkapton1860 hydurilic acid1865 toluric acid1868 kynurenic acid1872 mercapturic acid1879 phenylpyruvic acid1887 EDTA1950 1872 Jrnl. Chem. Soc. 25 1028 When heated by 265° kynurenic acid evolves pure carbon dioxide and melts to a brown liquid. 1889 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. v. 226 When..cynurenic acid is heated with zinc dust in a current of hydrogen, it is reduced to quinoline. 1946 W. R. Fearon Introd. Biochem. (ed. 3) xvii. 351 Surplus dietary tryptophane is excreted in the urine as kynurenine (in rabbits), and as kynurenic acid (in dogs, rats, foxes and wolves). 1971 Pediatrics XLVII. 47/1 This study measured urinary excretion of kynurenic acid..and xanthurenic acid.., two tryptophan metabolites via the kynurenine pathway, in 26 hospitalized children. This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020). < adj.1872
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