... combined with β-1, 4 of Glucosamine.Characteristics Chitosan Oligosaccharidesare yellow brown powder, and water-soluble with ... Daily chemical industry With its biological function diversity, Chitosan Oligosaccharides are widely used in daily chemical industry. ... Escherichia coli, Staphylococcus aureus, Steptococcus mutans, etc.Chitosan Oligosaccharidescan also strengthen immune system of the animals.6 ...