Table 3. Color values of dried lotus root depending on drying methods
Hunter’s color value
L
*
(lightness)
a
*
(redness/greenness)
b
*
(yellowness)
Ho (Hue angle)
Freeze drying
78.54±0.31
1)
−11.81±0.08
22.90±0.14
117.27±0.06
Cold vacuum drying
57.11±0.36
***
2)
−9.78±0.03
***
28.13±0.59
***
109.00±0.30
***
Values are mean±SD (n=3).
Means followed by three asterisks within the same columns are significantly different by t-test (p<0.001).