text: * acetan (Acetobacter xylinum)
  * alginate (Azotobacter vinelandii, Pseudomonas spp.)
  * cellulose (Acetobacter xylinum)
  * chitosan (Mucorales spp.)
  * curdlan (Alcaligenes faecalis var. myxogenes)
  * cyclosophorans (Agrobacterium spp., Rhizobium spp. and Xanthomonas spp.)
  * dextran (Leuconostoc mesenteroides, Leuconostoc dextranicum and Lactobacillus hilgardii)
  * emulsan (Acinetobacter calcoaceticus)
  * galactoglucopolysaccharides (Achromobacter spp., Agrobacterium radiobacter, Pseudomonas marginalis, Rhizobium spp. and Zooglea spp.)
  * galactosaminogalactan (Aspergillus spp.)
  * gellan (Aureomonas elodea and Sphingomonas paucimobilis)
  * glucuronan (Sinorhizobium meliloti)
  * N-acetylglucosamine (Staphylococcus epidermidis)
  * N-acetyl-heparosan (Escherichia coli)
  * hyaluronic acid (Streptococcus equi)
  * indican (Beijerinckia indica)
  * kefiran (Lactobacillus hilgardii)
  * lentinan (Lentinus elodes)
  * levan (Alcaligenes viscosus, Zymomonas mobilis, Bacillus subtilis)
  * pullulan (Aureobasidium pullulans)
  * scleroglucan (Sclerotium rolfsii, Sclerotium delfinii and Sclerotium glucanicum)
  * schizophyllan (Schizophylum commune)
  * stewartan (Pantoea stewartii subsp. stewartii)
  * succinoglycan (Alcaligenes faecalis var. myxogenes, Sinorhizobium meliloti)
  * xanthan (Xanthomonas campestris)
  * welan (Alcaligenes spp.)