Table 5.
General parameters and monosaccharide compositions of water soluble polysaccharide fractions of four meadowsweet floral tea decoctions.
| Parameter | F. camschatica | F. denudata | F. stepposa | F. ulmaria |
|---|---|---|---|---|
| Yield, mg/g | 11.75 | 13.03 | 17.07 | 17.24 |
| Total carbohydrate content, mg/g | 973.64 ± 30.47 | 982.50 ± 28.63 | 989.47 ± 31.20 | 980.52 ± 30.39 |
| Uronic acid content, mg/g | 102.27 ± 3.40 | 63.18 ± 2.24 | 79.30 ± 3.01 | 90.45 ± 3.43 |
| Protein content, mg/g | 23.18 ± 0.61 | 14.37 ± 0.35 | 12.60 ± 0.30 | 17.22 ± 0.49 |
| Reaction with I2 | positive | positive | positive | positive |
| Reaction with resorcinol | negative | negative | negative | negative |
| Reaction with Yariv reagent | positive | positive | positive | positive |
| Monosaccharide composition, mol % | ||||
| Ara | 10.5 | 4.2 | 5.1 | 6.3 |
| Gal | 48.8 | 43.0 | 46.4 | 40.5 |
| Glc | 23.4 | 36.4 | 29.0 | 33.6 |
| Fuc | 0.2 | 0.5 | 0.4 | 0.9 |
| Man | 7.0 | 6.3 | 6.9 | 6.0 |
| Rha | 0.8 | 2.5 | 3.1 | 1.6 |
| Xyl | 0.4 | 1.1 | 1.2 | 2.7 |
| GalA | 8.8 | 5.9 | 7.8 | 8.3 |
tr.—traces amounts (<limit of quantification).