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.