Method for preparing chitin hydrolysates having low molecular weight and oligosaccharides by the enzyme treatment

摘要

The present invention relates to a method of producing low molecular weight chitin oligosaccharides, and sugar by the enzyme treatment, more specifically, the step of obtaining a chitosan solution made uniform by the addition of a diluted organic or inorganic acid to the chitosan; Separating by leaching of chitosan by the addition of alkaline material to the chitosan solution; The step of suspension in methanol or acetone to prevent acetylation of the separated chitosan; By the addition of acetic anhydride to the suspension to obtain the acetylated chitin on the fiber; And a method for producing low molecular weight chitin oligosaccharides, and sugar by the enzyme treatment, comprising the step of adding to the chitin in the chitin azepin hydrolysis. The invention has the advantage of a synthesis of chitin on the fiber, and by this process the enzymatic method is easy to use the water-soluble low molecular weight chitin By manufacturing of foodstuffs, cosmetics, agriculture, and, the pharmaceutical art, including a chitin oligosaccharide.