Table 2.
Effects of carnauba wax (CW) coating incorporating grapefruits seed extract (GSE, 1.00%) on color of mandarin peels during storage 4 and 25 °C
| Storage temperature (°C) | Storage time (days) | L* | Hue angle | ||||
|---|---|---|---|---|---|---|---|
| Uncoated | CW-coated | CW–GSE-coated | Uncoated | CW-coated | CW–GSE-coated | ||
| 4 | 0 | 63.4 ± 1.1ab | 64.3 ± 1.3ab | 59.6 ± 11.9b | 3535.7 ± 43.4a | 3505.3 ± 70.5a | 3590.0 ± 75.9a |
| 3 | 62.3 ± 1.2ab | 62.5 ± 2.1ab | 64.9 ± 1.8a | 3461.5 ± 62.9a | 3520.2 ± 40.0a | 3579.3 ± 37.4a | |
| 7 | 62.3 ± 1.6ab | 62.4 ± 0.7ab | 63.2 ± 0.9ab | 3610.7 ± 47.8a | 3548.6 ± 18.6a | 3495.8 ± 23.4a | |
| 14 | 63.4 ± 1.3ab | 64.4 ± 1.3ab | 63.3 ± 0.8ab | 3527.2 ± 33.9a | 3545.6 ± 34.1a | 3552.2 ± 55.5a | |
| 21 | 64.4 ± 0.6ab | 65.2 ± 1.5a | 65.1 ± 0.7a | 3540.9 ± 21.0a | 3441.2 ± 134.6a | 3570.3 ± 143.5a | |
| 25 | 0 | 63.4 ± 1.1ab | 64.3 ± 1.3ab | 59.6 ± 11.9b | 3535.7 ± 43.4a | 3505.3 ± 70.5a | 3590.0 ± 75.9a |
| 1 | 63.7 ± 1.7b | 63.2 ± 0.8b | 64.6 ± 0.3b | 3494.9 ± 87.8a | 3448.1 ± 39.7a | 3572.3 ± 28.9a | |
| 3 | 64.7 ± 1.7ab | 62.3 ± 1.2ab | 63.3 ± 1.4ab | 3504.0 ± 84.7a | 3432.8 ± 31.1a | 3591.7 ± 56.0a | |
| 5 | 65.0 ± 7.1ab | 62.8 ± 1.4ab | 63.6 ± 1.1ab | 3446.2 ± 72.5a | 3422.0 ± 56.9a | 3452.1 ± 54.9a | |
| 7 | 64.2 ± 1.8ab | 63.3 ± 2.4ab | 64.0 ± 0.9ab | 3542.8 ± 168.6a | 3519.3 ± 34.3a | 3581.9 ± 37.5a | |
a, b Different letters indicate a significant difference (P < 0.05) within the same parameters