Table 2. Brown index and Hunter ’s L, a and b values of freeze-dried and hot air-dried Jicama powder

Samples Brown index Hunter’s values ΔE
L a b
Hot air-dried Jicama 0.107±0.004*1) 88.01±0.67 0.43±0.11* 11.96±1.50* -
Freeze-dried Jicama 0.029±0.002 92.86±0.11* -0.67±0.11 3.21±0.31 10.06
Each value is expressed as the mean±SD of triplicate determinations.
Mean with different superscripts in the same row are significantly different at p<0.05 by student’s t-test.