Abstract
A gel permeation chromatographic method for quantifying neutral oligosaccharide fractions from human milk has been developed. Oligosaccharides from monofucosyllactoses to trifucosyllacto-N-hexaoses were separated according to size on a Fractogel TSK HW 40 (S) column. Refractive index detection of monofucosyllactoses to difucosyllacto-N-tetraoses yielded a constant mass response factor of ca. 1 relative to glucose. After the addition of glucose as an internal standard, oligosaccharides were isolated from human milk by ethanol precipitation or two ultrafiltration procedures. The oligosaccharide concentrations found by the ultrafiltration procedures were significantly lower (significance level 0.05) than those determined by the ethanol precipitation procedure.
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Schedule a callMore From: Journal of Chromatography B: Biomedical Sciences and Applications
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