Table 3. Color values of non-fermented roasted coffee beans (NFC) and fermented roasted coffee beans (FC)
Sample
Color parameters
L value
a value
b value
ΔE
NFC extract
18.28±1.43
1)
21.64±2.44
8.06±1.70
29.58±1.27
FC extract
29.70±0.22
32.51±0.15
20.12±0.37
48.41±0.33
t(p)
−19.311(0.000)
***
−10.903(0.000)
***
−16.943(0.000)
***
−35.211(0.000)
***
Data are expressed as the mean±SD (n=5).
p<0.001.