Chitosan Oligosaccharides (COS) in Agriculture
Chitosan Oligosaccharides are oligosaccharide substance obtained by hydrolysis of chitosan. Chitosan is a polysaccharide extracted from chitin (such as shrimp and crab shells). It is obtained after enzymatic hydrolysis or chemical treatment. Chitosan oligosaccharides (COS) has a variety of biological activities and is widely used in agriculture, medicine and other fields, such as enhancing plant …