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Table 6 Molecular weight, and polydispersity index (M w /M n ) of durian seed gum

From: Chemical composition and molecular structure of polysaccharide-protein biopolymer from Durio zibethinusseed: extraction and purification process

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
  1. 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.