Table 1. Apparent color and light transmittance of the composite films
Films | L* | a* | b* | ΔE | T280 (%)1) | T660 (%)2) |
Neat carrageenan | 94.7±0.05a3) | −0.49±0.01a | 3.68±0.08b | − | 69.24±0.72a | 87.42±0.38a |
Car-ZnONPsZA | 94.9±0.09a | −0.67±0.08b | 4.31±0.48a | 1.69±0.48ab | 36.87±0.3c | 64.4±0.45c |
Car-ZnONPsZC | 94.8±0.01a | −0.66±0.02b | 4.13±0.09ab | 1.56±0.08ab | 31.91±0.01d | 67.37±0.02b |
Car-ZnONPsZN | 94.8±0.09a | −0.63±0.03b | 4.33±0.01a | 1.74±0.05a | 43.92±0.09b | 63.18±0.82bc |
Transmittance at 280 nm.
Transmittance at 660 nm.
All values are mean±SD (n=3). Means with different superscript letters in the same column are statistically different at p<0.05 by Duncan’s multiple range test.