Table 1
Effect of different washing methods on var ious microorganisms in sliced root of Platycodon grandiflorum
| Treatment1) | TVC2) | Fungi | Enterobacteriaceae | Coliforms |
| NT | 6.9±0.053)b4) | 3.9±0.09c | 5.9±0.07b | 6.0±0.01d |
| Dip | 7.0±0.04c | 3.8±0.04c | 6.6±0.83b | 5.4±0.01b |
| O3 | 6.9±0.03bc | 3.4±0.24b | 5.6±0.04b | 5.7±0.04c |
| OMH | 5.4±0.06a | 1.6±0.16a | 3.7±0.02a | 3.2±0.02a |
| p-value | 0.000 | 0.000 | 0.008 | 0.000 |
1)NT, Not treatment; Dip, Tap water (3 min); O3, 4 ppm Ozon (5 min); OMH, microbubble and 55℃ water after 4 ppm ozone (5 min).
2)TVC, total viable bacterial counts.
3)Value are mean±SE.
4)a-dIn a row means followed by different superscripts are significantly different at the p<0.05 level.