Selective conversion of glucosamine (GlcNH2) to deoxyfructosazine (DOF) and fructosazine (FZ) with additives was investigated. Significantly enhanced yield of DOF can be improved to 40.2% with B(OH)3 ...

A (%) = (A1655/A3450) x 100 / 1.33 Spectrophotometric measurements of D-glucosamine residues in chitosan extracted from fungi were analysed. Samples (10 mg) of chitosan were hydrolysed with ...