单词 | flavin |
释义 | flavinn. Chemistry. 1. A yellow dye-stuff prepared from quercitron bark. ΘΚΠ the world > matter > colour > named colours > yellow or yellowness > colouring matter > [noun] > dyes and dyestuffs weldc1374 turmeric1545 yellow berry1652 fust1682 Avignon berry1728 eel-pout1736 yellowroot1755 quercitron1785 brass-colour1797 fustet1821 tesu1823 morin1833 datiscin1835 maize1838 picric acid1838 xanthin1838 moric acid1839 purree1844 nitrophenisic acid1845 rubiacin1848 flavin1853 orellin1857 fustic1858 maize colour1859 fusteric1860 Manchester yellow1862 chrysaniline1864 ilixanthin1865 flavaniline1882 sun-yellow1884 butter yellow1887 African turmeric1888 Indian turmeric1890 weld yellow1899 1853 J. Napier Man. Dyeing 344 Flavine. 1864 H. Watts Dict. Chem. II. 655 Flavin. 1886 Encycl. Brit. XX. 175/2 From 100 parts of quercitron about 85 of flavin are obtained, having a tinctorial power more than twice that of the original bark. 2. Biochemistry. [ < German flavine (R. Kuhn et al. 1933, in Berichte der Deutsch. Chem. Ges. 66 B. 320).] Any of the derivatives of isoalloxazine, many of which are important biologically, esp. the cofactors flavin mononucleotide and flavin adenine dinucleotide. (See riboflavin n.) ΘΚΠ the world > life > biology > substance > pigment > [noun] > unspecified pigments > yellow or green flavin1933 lyochrome1933 1933 Chem. Abstr. 27 2167 A water-sol. nitrogenous pigment having a yellow-green fluorescence can be isolated from natural sources of vitamin B2... The group name flavin is proposed. 1967 J. P. Lambooy in R. C. Elderfield Heterocyclic Compounds IX. ii. 174 Since the majority of the flavins possess polyhydric side chains, there are some unique reactions which such functional groups undergo. This entry has not yet been fully updated (first published 1896; most recently modified version published online June 2022). < |
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