Table 2: Characterization of guar gum and modified guar gum. All values are mean ± S.D, = 3.

PolymerViscosity (cP)Swelling index (%)

Guar gum323 ± 18.522905.46 ± 6.01
Modified guar gum197 ± 10.432700.69 ± 10.13