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

Table 2

Methacrylic acid grafting parameters on CMS-chitosan.

Grafting Parameters	Methacrylic Acid Concentration; (g/g CMS-chitosan)
	0.275	0.550	0.825
Biohydrogel: Carboxymethyl sago starch-chitosan
Grafting Yield (%)	14.85 ± 0.22	46.12 ± 0.91	36.76 ± 0.90
Grafting Efficiency (%)	83.81 ± 1.34	85.62 ± 2.63	88.37 ± 1.76
Monomer conversion (%)	64.46 ± 0.62	98.04 ± 1.15	50.45 ± 0.27
Biohydrogel: Carboxymethyl cassava starch-chitosan
Grafting Yield (%)	16.31 ± 0.27	47.09 ± 0.64	37.19 ± 0.30
Grafting Efficiency (%)	84.37 ± 2.35	86.75 ± 1.08	89.21 ± 0.65
Monomer conversion (%)	70.35 ± 1.16	98.80 ± 0.17	50.57± 0.07

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