Table 1.
The effect on total color difference values (ΔE) of blanched butterbur stems on blanching time and draining time
| Blanching time (min) | Draining time (min) | L* (lightness) | a * (redness) | b* (yellowness) | Total color difference (ΔE) |
| Control | | 47.97±4.52ab1) | -5.19±1.17 ab | 15.17±2.88b | |
| 3 | 5 | 44.10±2.98 ab | -6.64±0.65 bcd | 16.39±1.31b | 4.61±2.64b |
| 10 | 47.65±0.30 ab | -7.82±0.57d | 23.56±0.88a | 8.80±0.96a |
| 15 | 48.68±1.81 a | -7.16±0.92cd | 23.36±1.71a | 8.60±1.87a |
| 5 | 5 | 46.34±3.12 ab | -5.19±0.87 ab | 15.91±3.49b | 3.72±2.59b |
| 10 | 45.01±2.77 ab | -5.73±1.09 abc | 16.38±3.38b | 4.87±0.65b |
| 15 | 43.36±2.12 b | -4.86±0.78 a | 15.94±1.52b | 4.93±1.94b |
| 7 | 5 | 44.28±0.96 ab | -5.21±0.38 ab | 16.06±1.37b | 3.98±0.86b |
| 10 | 45.42±1.09 ab | -5.51±1.08 abc | 15.54±2.74b | 3.56±0.97b |
| 15 | 45.27±2.30 ab | -5.32±1.17 ab | 17.10±2.40b | 4.07±1.93b |
a-bMeans with different superscripts within the same column are significantly different (p<0.05).