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.