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. 2019 Dec 4;8(1):124–138. doi: 10.1002/fsn3.1279

Table 1.

Bulk density and color values of dried and fresh samples of Thomson peel

  Bulk density (g/ml) Color measurement
L a b ΔE BI
SD 2.39 ± 0.03c 41.24 ± 4.72cd 8.86 ± 0.58b 42.94 ± 2.91c 23.46 ± 3.84bcd 244.40 ± 21.95abc
ShD 2.10 ± 0.08d 37.84 ± 1.23cd 7.09 ± 0.61c 40.50 ± 1.37cd 27.78 ± 2.63bc 254.58 ± 10.62ab
OD 45 2.47 ± 0.05bc 38.17 ± 1.24c 5.60 ± 0.39e 40.80 ± 0.84c 28.16 ± 2.42b 251.59 ± 8.49b
OD 60 2.67 ± 0.03a 40.03 ± 1.63c 8.61 ± 0.35b 41.67 ± 1.05c 25.06 ± 0.40c 242.22 ± 9.26b
VOD 45 2.42 ± 0.03c 30.36 ± 0.67e 7.93 ± 0.80bc 31.04 ± 0.88e 38.41 ± 1.42a 236.10 ± 5.55bc
VOD 60 2.53 ± 0.03b 28.36 ± 0.96f 8.13 ± 0.60bc 30.28 ± 0.80e 40.16 ± 1.38a 260.79 ± 32.56abc
MW 360 2.69 ± 0.03a 37.57 ± 1.77cd 5.84 ± 0.61de 39.71 ± 1.10cd 29.05 ± 2.74b 246.36 ± 11.98b
MW 600 2.53 ± 0.04b 35.37 ± 1.49d 7.03 ± 0.71cd 38.91 ± 1.00d 30.32 ± 1.40b 271.14 ± 10.24a
FD 1.79 ± 0.03e 48.54 ± 0.69b 1.79 ± 0.37f 49.00 ± 1.10b 22.04 ± 2.38d 216.11 ± 16.64c
Fresh 53.99 ± 0.91a 20.95 ± 1.86a 58.31 ± 1.10a 270.34 ± 14.64ab

All values are expressed as mean ± standard deviation. Means (n = 3) having different letters within the same column differ significantly at p < .05.

Abbreviations: –, not determined; BI, Browning index; SD, Sun drying; ShD, Shade drying; OD 45 and 60, Oven drying at 45°C and 60°C; VOD 45 and 60, Vacuum oven drying at 45°C and 60°C; MW 360 and 600, Microwave drying at 360 W and 600 W; FD, Freeze‐drying.