Table 6.
Molecular weight, and polydispersity index (Mw/Mn) of durian seed gum
| Test | Crude gum (Aqueous) | Crude gum (Chemical) | Purified gum A | Purified gum B | Purified gum C | Purified gum D |
|---|---|---|---|---|---|---|
| Mwt (g/mol) |
1.37 × 105 ± 0.024a |
1.44 × 105 ± 0.024b |
1.26 × 105 ± 0.015c |
1.23 × 105 ± 0.019c |
1.14 × 105 ± 0.026d |
1.08 × 105 ± 0.009e |
| Mw/Mn |
1.34 |
1.39 |
1.29 |
1.26 |
1.21 |
1.17 |
| Rg (nm) | 28 | 31 | 25 | 23 | 18 | 15 |
Mwt: Molecular weight; Mw/Mn: Molecular weight/number average molecular weight (or polydispersity index); A: isopropanol and ethanol; B: isopropanol and acetone; C: saturated barium hydroxide; D: Fehling solution.