(A) Iron (Fe2+)-binding potential of different polysaccharide [used at 5.56 micromole (glucose equivalent)] using the Fe2+-ferrozine colorimetric assay. Lipopolysacchrides (LPS; E. coli 0111:B4), mannan (Saccharomyces cerevisiae), isolated and commercial (purchased from Sigma Aldrich) xanthan, extracellular glucan from Xcc. Data shown are mean ± SD (n=3). 