单词 | ribitol |
释义 | ribitoln. Chemistry. A crystalline alcohol resulting from the reduction of ribose and occurring in the leaves of pheasant's eye, Adonis vernalis, and in polymeric form in certain bacteria (cf. teichoic acid n. at teichoic adj.). Also called adonitol.Ribitol is a pentahydric alcohol. Formula: HOCH2·(CHOH)3·CH2OH. ΘΚΠ the world > matter > chemistry > organic chemistry > alcohols > [noun] > pentahydric alcohols > ribitol adonite1893 adonitol1893 ribitol1902 1902 J. H. Long tr. H. Landolt Optical Rotating Power Org. Substances i. 143 Adonitol (ribitol). 1954 S. S. Cohen in D. M. Greenberg Chem. Pathways of Metabolism I. v. 211 Two naturally occurring pentitols, d-arabitol and ribitol (adonitol), are known. 1982 J. Campbell Grammatical Man iii. xi. 132 Only by a mutation enabling them [sc. bacteria] to produce ribitol hydrogenase in the absence of ribitol could they take advantage of xylitol and be able to grow. 2008 M. Wheelis Princ. Mod. Microbiol. iv. 56 Teichoic acids..are polymers of sugar alcohol phosphates, usually glycerol phosphate or ribitol phosphate. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < |
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