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. 2024 Nov 30;24:102052. doi: 10.1016/j.fochx.2024.102052

Table 2.

Color parameters of Gardenia jasminoides Ellis under different drying techniques.

Drying method L⁎ a⁎ b⁎ ΔE
Fresh 41.45 ± 0.79a 9.88 ± 0.27c 7.66 ± 0.18b Image 1
RF-HAD 37.67 ± 0.65b 15.88 ± 0.34a 16.99 ± 0.50a 11.72 ± 0.34a Image 2
PVD 38.52 ± 1.30b 15.74 ± 1.79a 17.55 ± 0.43a 11.86 ± 0.81a Image 3
MSWID 37.21 ± 0.88b 13.33 ± 1.17b 16.60 ± 2.07a 10.48 ± 0.99a Image 4
HAD 32.74 ± 0.83c 10.70 ± 1.26c 6.09 ± 0.93b 8.89 ± 0.14b Image 5

Note: RF-HAD, Radio frequency-hot air drying; MSWID, Medium-and short-wave infrared drying; PVD, Pulsed vacuum drying; HAD, Hot air drying. The different lowercase letter in the same row indicates that the means are significantly different at p < 0.05.