DAICHITOSAN

Chitosan is a unique polysaccharide which has many reactive amino side groups. These amino groups allow chemical modifications. They form corresponding salts with various acids and confer cationic properties to the chitosan. Because of these cationic properties, chitosan has been used for many years as a cationic flocculant useful in a variety of industrial fields, for example, purification, precipitation, and effective filtration in a food industry, and wastewater treatments in various industries. In recent years, developments of applied products have been actively made in various fields to use the functionalities of chitosan, such as biocompatibility, non-toxicity, antimicrobial activity, and moisture-adsorptive and -desorptive behaviors. We manufacture chitosans from crab shells in one factory on an unprecedented lot scale and supply the high quality products to a market. And also, we can provide custom-made products according to requested quality plans. In addition, we try to develop various chitosan derivatives by chemically modifying the highly reactive functional groups in the chitosan.

Characteristics of Daichitosan

• A functional polymer found in Nature, which is safe and biocompatible
• Has a number of reactive amino groups, acts a cationic polymer which is minor substance in Nature, and strongly adheres to the surface of cellulose and protein
• Has additional functions such as antimicrobial, moisture-keeping, film-forming, and moisture-adsorptive and -desorptive activities
• Is soluble in an aqueous acid solution and forms very viscous solutio