Table 1.

Encapsulation efficiency of curcumin for different hydrogels.

Hydrogel	Encapsulation Efficiency (%)
0% CNC–chitosan	37 ± 0.8
0.5% CNC–chitosan	41 ± 2.4
1% CNC–chitosan	36 ± 1.8
1.5% CNC–chitosan	34 ± 0.5
2% CNC–chitosan	33 ± 1.9
2.5% CNC–chitosan	30 ± 2.8