Table 3.
Light transmission and transparency of banana starch films incorporated with banana peel extract at different concentrations in comparison with PVC film.
| BSF with Banana Peel Extract (%, w/v) |
Transmittance (%T) at Wavelength (nm) | Transparency * | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 200 | 280 | 350 | 400 | 500 | 600 | 700 | 800 | ||
| Control (0) | 27.1 | 46.9 | 48.8 | 49.1 | 49.3 | 49.6 | 50.4 | 51.7 | 3.23 ± 0.02 b |
| 1 | 24.3 | 40.5 | 41.3 | 42.6 | 42.8 | 43.1 | 43.4 | 44.5 | 2.97 ± 0.04 c |
| 3 | 21.6 | 31.5 | 32.4 | 32.6 | 33.6 | 33.7 | 33.8 | 35.0 | 2.85 ± 0.01 d |
| 5 | 18.9 | 30.5 | 31.7 | 31.9 | 32.5 | 33.0 | 33.6 | 34.2 | 2.85 ± 0.02 d |
| PVC | 12.1 | 84.8 | 87.9 | 89.5 | 90.3 | 91.3 | 91.6 | 91.9 | 3.95 ± 0.00 a |
Different superscripts (a, b, c, d) in each column are significantly different (p < 0.05). * Values are given as mean ± SD from triplicate determinations.