Chitosan can be used as a binder, moisturizing agent, clarifying agent, filler, emulsifier, glazing agent and thickening stabilizer in the food industry; and as a functional oligosaccharide, it can reduce cholesterol and improve immunity. In industry, chitosan is extracted by enzymatic or acid hydrolysis of shrimp or crab shells. 1. As an immobilized enzyme carrier 2. As a food additive 3. As a food packaging film 4. For food preservation

Chitosan can be used as a binder, moisturizing agent, clarifying agent, filler, emulsifier, glazing agent and thickening stabilizer in the food industry; and as a functional oligosaccharide, it can reduce cholesterol and improve immunity. In industry, chitosan is extracted by enzymatic or acid hydrolysis of shrimp or crab shells. 1. As an immobilized enzyme carrier 2. As a food additive 3. As a food packaging film 4. For food preservation