Table 2.
Color indicators of linden leaves at different temperature.
| L* | a* | b* | C | H | ΔE | |
|---|---|---|---|---|---|---|
| Fresh | 38.98 ± 1.05 b | 1.03 ± 0.11 b | 28.81 ± 0.53 a | 28.83 ± 0.54 a | 88.81 ± 0.61 a | - |
| IR-50 °C | 38.86 ± 0.66 b | −1.84 ± 0.02 c | 29.03 ± 0.86 a | 29.09 ± 0.86 a | −86.36 ± 0.14 c | 3.617 ± 0.20 |
| IR-60 °C | 42.36 ± 0.63 a | 1.22 ± 0.06 b | 30.56 ± 0.35 a | 30.59 ± 0.35 a | 88.34 ± 0.66 a | 4.11 ± 1.32 |
| IR-70 °C | 40.95 ± 1.11 ab | 3.33 ± 0.10 a | 29.63 ± 1.18 a | 29.81 ± 1.17 a | 83.4 ± 0.93 b | 3.81 ± 0.54 |
| p-value | 0.047 | <0.001 | 0.455 | 0.447 | <0.001 | 0.917 |
L*, a*, and b* values represent fresh linden leaves; The resemblance of the defined colors (red, green, blue, and yellow) is called Hue (H); Chromatic deviation (C); Total chromatic deviation (∆E); Different letters in same column indicate statistical difference (p < 0.05).