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. 2024 Apr 3;13(7):1096. doi: 10.3390/foods13071096

Table 3.

Color parameters of ginger slices dried at different temperatures against the coinciding time intervals.

Drying Temperatures Color Parameters Drying Intervals
0 h 2 h 4 h 5 h 6 h Final
50 °C L* 70.78 ± 1.27 a 62.5 ± 0.87 e 64.87 ± 1.03 d 66.36 ± 0.09 cd 68.63 ± 0.41 ab 68.28 ± 1.24 bc
a* −3.67 ± 0.2 d 0.28 ± 0.48 c 1.37 ± 0.28 b 2.85 ± 0.18 a 1.18 ± 0.12 b 1.41 ± 0.37 b
b* 40.71 ± 0.54 a 41.33 ± 0.83 a 37.43 ± 0.9 b 41.64 ± 1.93 a 35.84 ± 0.29 b 31.55 ± 2.13 c
60 °C L* 72.83 ± 0.43 a 64.68 ± 0.24 bc 59.79 ± 2.59 c 48.05 ± 5.00 d 68.77 ± 0.83 ab 66.53 ± 1.76 b
a* −4.44 ± 0.01 d −0.43 ± 0.16 c 2.65 ± 0.47 b 6.85 ± 1.11 a 1.23 ± 0.23 bc 1.83 ± 1.1 b
b* 37.34 ± 0.52 a 36.26 ± 1.63 ab 31.28 ± 1.14 bc 30.24 ± 0.14 c 33.02 ± 4.31 abc 32.26 ± 2.63 abc
70 °C L* 73.70 ± 2.38 a 59.90 ± 1.73 b 58.55 ± 1.28 b 58.98 ± 2.22 b 61.67 ± 1.00 b
a* −5.37 ± 0.62 c 1.21 ± 0.45 b 2.69 ± 0.38 ab 3.63 ± 0.94 a 2.98 ± 1.01 a
b* 34.37 ± 1.34 a 34.04 ± 2.82 a 32.60 ± 4.96 a 33.96 ± 0.35 a 35.83 ± 2.60 a

← represents that at the corresponding drying temperature, the final drying interval was already accomplished at the preceding drying interval (6 h). Results are reported as mean ± standard deviation. In each row, values with different superscript letters are statistically different (p < 0.05) from each other.