Table 1.
Film thickness, water sensitivity (moisture content, solubility, contact angle), water vapor permeability (WVP), tensile strength (TS), and elongation-at-break (EB) of CMC-based films, CMC-based films with free curcumin, and CMC-based films with curcumin-loaded nanohydrogels.
| Film Samples | Thickness ×10−2 (mm) | Moisture
Content (%) |
Solubility (%) |
Contact Angle (°) | WVP × 10−10 (g·Pa−1·s−1·m−1) |
TS (MPa) |
EB (%) |
|---|---|---|---|---|---|---|---|
| CMC-based films | 7.91 a (±1.23) |
16.80 a (±1.74) |
66.26 a (±4.17) |
45.39 a (±3.70) |
2.73 a (±0.08) |
16.46 a (±2.83) |
3.54 a (±1.48) |
| CMC-based films with free curcumin | 6.99 a (±0.60) |
13.18 b (±0.93) |
46.12 b (±3.11) |
49.93 b (±2.45) |
2.22 b (±0.15) |
11.23 b (±1.31) |
4.19 a (±1.05) |
| CMC-based films with curcumin-loaded nanohydrogels | 2.91 b (±0.39) |
14.14 b (±2.68) |
59.85 a (±9.78) |
51.57 b (±2.52) |
1.04 c (±0.08) |
9.87 b (±1.18) |
3.34 a (±0.84) |
Values reported are the means ± standard deviations. Different letters (a–c) in the same column indicate a statistically significant difference (p < 0.05).