HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY OF DISACCHARIDES ON AMINE-BONDED SILICA COLUMNS
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abstract
Twenty different disaccharides (cellobiose, gentiobiose, isomaltose, kojibiose, lactose, lactulose, laminaribiose, leucrose, maltose, maltulose, melibiose, nigerose, palatinose, sophorose, sucrose, ,-trehalose, ,-trehalose, ,-trehalose, turanose, and xylobiose) were subjected to high-performance liquid chromatography on pre-packed amine-bonded silica columns, using acetonitrile-water eluents. Glucopyranosyl-glucoses had increasing retention times in the order of linkage (13), (14), (12) and (11), and (16). Replacement of one of the glucosyl residues by galactose led to longer retention times, while substitution by a fructosyl residue yielded shorter ones. Forced assumption of the furanose ring form by the fructosyl residue, as in sucrose and palatinose, gave greatly reduced retentions. 1985 Elsevier Science Publishers B.V.