Table 3
Change in color of GSD and NSD dur ing the storage
| Color | Sample | Storage period (day) |
| 1 | 15 | 30 | 45 |
| L | GSD3) | 62.8±0.7a2) | 57.9±4.2b | 56.1±2.1b | 56.1±2.6b |
| NSD4) | 60.9±2.8a | 59.5±3.8a | 58.4±1.9ab | 56.3±2.3b |
| a | GSD | 9.4±0.5a* | 8.7±0.6b* | 8.5±1.0c* | 8.3±0.8c* |
| NSD | 8.5±1.3a | 7.7±0.9b | 7.8±0.4b | 7.6±0.9b |
| b | GSD | 12.4±0.9a | 10.9±1.3b | 9.8±1.1c | 9.6±1.6c |
| NSD | 11.2±0.6a | 10.7±1.1ab | 10.3±0.7b | 10.0±1.1b |
Hunter L, lightness; Hunter a, redness; Hunter b, yellowness.
1)Values with between the two sample are significantly different at p<0.05.
2)a-cMeans±SD with different superscripts in the same column are significantly different (p<0.05) by Ducan's multiple range test.
3)GSD, general smoked duck.
4)NSD, natural smoked duck.