College of Chemistry & Biology,Yantai University,Yantai 264005,China;
College of Life Science,Shandong Normal University,Jinan 250014,China;
College of Life Science,Shandong Normal University,Jinan 250014,China;
College of Chemistry & Biology,Yantai University,Yantai 264005,China;
College of Life Science,Shandong Normal University,Jinan 250014,China;
College of Life Science,Shandong Normal University,Jinan 250014,China;
lactic acid bacteria; extracellular polysaccharide(EPS); column chromatography; thin layer chromatography;