wo polysaccharide complexes were extracted from Bacteroides fragilis ATCC-25285 andBacteroides fragilis CDC-14462 after treated with acids,heat,ethylenediamine tetraacetic acid andsodium deoxycholate etc.

• 经酸、EDTA、脱氧胆酸钠和加热处理后从脆弱类杆菌ATCC25285和CDC14462提取到两种多糖复合物。