See publications. Generally centrifugation to pellet cells/conidia/hyphae, precipitation of supernatant in isopropanol at ca. 4oC, followed by dialysis at MWC ca. 5000 against distilled water .
Article Extracellular Polysaccharides from Desulfovibrio Desulfurica...
Article A sensitive chromatographic method for the detection of pyru...