Microorganism producing chitinase, method for producing chitin oligosaccharides using the same and use thereof

摘要

PURPOSE: A composition containing a strain which produces chitinase and culture thereof is provided to ensure antibacterial activity and to enhance immunity and anti-cholesterol ability. CONSTITUTION: A strain is Escherichia fergusonii handi 110(deposit number KACC 91498P). A strain is Acinetobacter parvus handi 309(deposit number KACC 91499P). A method for preparing chitin oligosaccharide comprises a step of culturing the Escherichia fergusonii strain in a medium. A composition for feed contains the Escherichia fergusonii strain or culture thereof. An antibacterial composition contains Escherichia fergusonii or culture thereof.