Some Properties of Chemical Cross-Linking Biohydrogel from Starch and Chitosan

Table 3

Characteristics of CMS-chitosan based biohydrogel.

Characteristics	Methacrylic Acid Concentration; (g/g CMS-chitosan)
	0.275	0.550	0.825
Biohydrogel: Carboxymethyl sago starch-chitosan
Swelling power (%)	169.52 + 5.13	278.15 + 13.95	197.21 + 11.55
Solubility (%)	59.03 + 1.81	36.03 + 1.77	50.85 + 2.86
Water absorption capacity (%)	781.82 + 13.45	1046.28 + 64.15	669.94 + 40.15
Oil absorption capacity (%)	255.15 + 10.72	250.12 + 6.30	251.27 + 11.64
Biohydrogel: Carboxymethyl cassava starch-chitosan
Swelling power (%)	198.88 + 4.23	230.92 + 5.64	180.82 + 3.53
Solubility (%)	52.41 + 1.17	43.33 + 1.05	55.32 + 1.10
Water absorption capacity (%)	955.91 + 49.42	1113.26 + 39.11	893.13 + 10.38
Oil absorption capacity (%)	256.84 + 18.91	250.29 + 7.59	253.38 + 7.83

indicates that means within a column related to particular parameter with the same superscript letter are not significantly different as α=0.05 confidence level.