Table 2.
Means ± SD of color change after stain removal compared with baseline (ΔE2) in Gradia.
| Staining solution | Stain removal procedure | |||
|---|---|---|---|---|
| HB | OB | SX | PC | |
| Sour cherry juice (GCJ) | 1.93 ± 0.74Aa | 2.82 ± 0.36Ba | 2.09 ± 0.34Aa | 3.17 ± 0.65Ba |
| Coffee (GCO) | 3.32 ± 0.43Aa | 4.73 ± 0.78Ba | 3.83 ± 0.63ABa | 6.46 ± 1.34Ca |
Means labeled with the same uppercase letters are not significantly different, as compared in rows. Means labeled with the same lowercase letters are not significantly different, as compared in columns.