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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.
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BMC Chemistry

ISSN: 2661-801X

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