Table 1 Mean1) values of color characteristics of dried Cirsium setidens Nakai prepared according to different pre-treatment conditions
| Treatment | Blanching solution2) | Treatment time (min) | L | a | b |
| Control | - | - | 35.52±0.41cd | -1.98±0.02e | 15.15±0.01b |
|
| Steaming | - | 5 | 35.01±0.28d | -0.93±0.04c | 11.86±0.25e |
| 10 | 31.62±0.06e | -1.20±0.02d | 10.50±0.14f |
| 15 | 29.38±0.28f | -0.66±0.04b | 9.36±0.41g |
|
| Blanching | - | 1 | 35.19±0.22d | -2.00±0.05e | 12.69±0.22d |
| 3 | 37.28±0.17b | -3.83±0.10g | 14.90±0.12b |
| 5 | 34.60±0.19d | -3.54±0.02f | 14.15±0.24c |
|
| NaCl | 1 | 39.00±0.11a | -5.14±0.05j | 16.37±0.05a |
| 3 | 38.67±0.25a | -4.69±0.16i | 15.19±0.22b |
| 5 | 36.06±0.27c | -4.86±0.09i | 14.46±0.23c |
|
| CaCl2 | 1 | 32.52±0.09e | -4.79±0.03i | 13.24±0.17c |
| 3 | 34.77±0.64d | -4.38±0.10h | 13.74±0.47c |
| 5 | 33.02±0.53e | -4.12±0.07h | 13.19±0.16d |
|
| SPP | 1 | 32.27±0.43e | 0.20±0.16a | 11.46±0.50e |
| 3 | 30.53±0.06f | -3.82±0.04g | 13.71±0.11c |
| 5 | 30.89±0.09f | -6.26±0.07k | 15.44±0.11b |
Mean values of three measurements; Values sharing the same uppercase letters within columns are not significantly different (p<0.05).
Blanching solution concentration was 0.5% (w/v).