| Extracts from fermentation/polysaccharide | Polysaccharide content (mg/ml) |
| Brasenia schreberi polysaccharide (BSP) | 0.30 ± 0.010 0.07 ± 0.001 0.07 ± 0.002 0.06 ± 0.001 |
| Micromonospora sp.YG-1 | |
| Xylariaceae sp. strain UT-X | |
| Psychrobacter pulmonis strain T-15 |