Table 2.
Chemical properties of polysaccharides manufactured from pectinase-treated H. vulgare leaves (BLE0).
| BLE0 1 | |
|---|---|
| Yield (%) | 4.1 ± 0.3 2 |
| Chemical composition (%) 3 | |
| Neutral sugar | 79.2 ± 0.1 |
| Uronic acid | 18.0 ± 1.4 |
| 2-Keto-3-Deoxy-Mannoctanoic acid (KDO)-like materials | 2.3 ± 1.2 |
| Protein | 0.4 ± 0.0 |
| Composition of sugar (mol%) 4 | |
| Arabinose | 16.9 ± 0.0 |
| Fucose | 0.8 ± 0.0 |
| Galactose | 18.5 ± 0.1 |
| Glucose | 14.8 ± 0.1 |
| Mannose | nd 5 |
| Rhamnose | 5.5 ± 0.1 |
| Xylose | 29.4 ± 0.2 |
| Galacturonic acid | 11.5 ± 0.2 |
| Glucuronic acid | 2.6 ± 0.0 |
1 BLE0 was manufactured on a pilot-scale for industrial applications; 2 values represent the means and standard deviations on BLE0 prepared by three independent experiments; 3 percentage (%) of each dry material; 4 Mol% was calculated from detected total sugar; 5 nd, not detected.