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The cationic property of chitosan was used to adsorb glycomacropeptide (GMP) molecules from milk whey proteins. β-cyclodextrin was immobilized to native chitosan beads by cross-linking with 1,6-hexamethylene diisocyanate (HMDI). The resultant modified beads (CS-HMDI-BCD) presented superior adsorption affinity and capacity towards GMP. At pH 3.0, 90.23% of GMP was adsorbed with a maximum adsorption...
The distribution of d-glucosamine moieties was investigated in partially deacetylated chitins prepared under various conditions but with nearly the same degree of deacetylation in the range of 30–65%. The presence of adjacently located (blocked) d-glucosamine moieties was demonstrated by the formation of 2,5-anhydro-d-mannose using the nitrous acid deamination method. Both the alkali concentration...
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