Table 3
Changes in Hunter a, b and delta E values of sliced root of Platycodon grandiflorum during storage at 5℃ for 10 days
Color values | Treatment1) | Storage time (days) | p-value |
0 | 4 | 7 | 9 | 10 |
L | Control | 70.3±2.692) | 70.5±2.38 | 71.9±2.39 | 72.4±3.36 | 73.6±2.63 | 0.160 |
| OMH-MAP | 70.3±2.69 | 70.8±2.87 | 71.6±5.77 | 72.3±3.10 | 73.2±5.66 | 0.614 |
a | Control | 1.1±0.88 | 0.8±0.39 | 0.8±0.37 | 0.6±0.94 | 0.5±0.23 | 0.000 |
| OMH-MAP | 1.1±0.88 | 0.8±0.37 | 1.0±1.25 | 0.8±1.13 | 0.8±0.46 | |
b | Control | 7.5±1.36a3) | 16.8±1.52d | 17.8±1.55d | 20.6±2.02e | 21.5±1.95e | |
| OMH-MAP | 7.5±1.36a | 9.5±0.84b | 10.6±0.97b | 14.8±0.97c | 16.7±4.66d | |
△E | Control | 0.0 | 9.2 | 10.2 | 13.1 | 14.2 | |
| OMH-MAP | 0.0 | 2.0 | 3.3 | 7.4 | 9.5 | |
1)Control, polypropylene film packaging after washing in tap water; OMH-MAP, MAP (O2 50%+CO2 15%) after washing in ozone, microbubble, and 55℃ water.
2)Values are mean±SE.
3)a-eIn the same row and column for each parameter mean followed by different superscripts are significantly different at the p<0.05 level.