单词 | pterin |
释义 | pterinn. Chemistry. A substituted derivative of pteridine; esp. any of a class of these compounds which occur naturally as insect pigments. Cf. pteridine n. ΘΚΠ the world > matter > chemistry > organic chemistry > organic compounds > [noun] > heterocyclic compounds > containing nitrogen > pteridine pterin1934 pteridine1943 1934 Chem. Abstr. 28 1353 (heading) Occurrence of pterins in wasps and butterflies. 1954 Sci. News 34 91 The purines and pterines constitute a major source of colour to the wings of butterflies;..the latter as white, red, yellow, and orange pigments, which are also found in the integument of wasps. 1970 A. L. Lehninger Biochemistry xxiv. 543 Folic acid..contains three characteristic building blocks (1) a substituted pterin, (2) p-aminobenzoic acid, and (3) glutamic acid. 1988 P. W. Kuchel et al. Schaum's Outl. Theory & Probl. Biochem. xv. 419 Biopterin..contains the pterin ring. 2001 R. J. Goldstein Bettas 14 Katherine Royal..showed in the 1970s that red in Betta splendens is caused by pterins and carotenoids like astaxanthin. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < |
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