Table 4.
Effect of DFP powder on instrumental colour analysis of chicken nuggets during refrigerated storage
| Treatment | Storage period | ||||
|---|---|---|---|---|---|
| 0 day | 5 day | 10 day | 15 day | 20 day | |
| L (lightness) | |||||
| Control | 29.95 ± 1.21ay | 26.21 ± 0.28by | 25.49 ± 0.24bcx | 23.89 ± 0.37cdx | 22.52 ± 0.43dx |
| T1 (DFP 1.5%) | 32.62 ± 1.25ayx | 26.33 ± 0.22by | 23.49 ± 0.29cy | 18.08 ± 0.26dy | 17.00 ± 0.21dy |
| T2 (DFP 3.0%) | 33.41 ± 0.20ax | 28.29 ± 0.23bx | 18.57 ± 0.18cz | 18.51 ± 0.26cy | 17.11 ± 0.43dy |
| a (redness) | |||||
| Control | 13.77 ± 0.26a | 11.59 ± 0.20by | 5.17 ± 0.06cz | 5.10 ± 0.06cz | 5.02 ± 0.12cy |
| T1 (DFP 1.5%) | 13.34 ± 0.72a | 12.25 ± 0.20bx | 7.94 ± 0.12cx | 5.89 ± 0.18dy | 5.33 ± 0.13dy |
| T2 (DFP 3.0%) | 13.19 ± 0.12a | 12.20 ± 0.06bx | 8.39 ± 0.07cx | 7.85 ± 0.09dx | 7.26 ± 0.16ex |
| b (yellowness) | |||||
| Control | 13.11 ± 0.26a | 11.81 ± 0.25bx | 7.98 ± 0.06cx | 7.33 ± 0.13dx | 6.92 ± 0.17dx |
| T1 (DFP 1.5%) | 13.01 ± 0.72a | 10.65 ± 0.18by | 7.38 ± 0.10cy | 5.28 ± 0.16dy | 5.15 ± 0.09dz |
| T2 (DFP 3.0%) | 13.13 ± 0.19a | 11.43 ± 0.12bx | 6.45 ± 0.10cz | 6.18 ± 0.09cz | 6.12 ± 0.11cy |
DFP dragon fruit peel; n = 6
Means bearing different superscripts (a–e) row wise differ significantly (p < 0.05)
Means bearing different superscripts (x–z) column wise differ significantly (p < 0.05)