Table 1. Changes in the color of cheonggukjang viscous substances with fermentation time

Fermentation time (h) Color value
L* a* b* Color difference
0 53.87±2.93a,1) 3.00±0.19a 9.97±0.45a 0.00±0.00e
12 46.15±7.30b 2.50±0.23b 10.36±0.79a 7.77±4.39d
24 27.30±3.55c 1.98±0.31c 8.48±0.19b 26.64±0.80c
36 20.83±0.24d 1.40±0.21d 9.95±0.62a 33.10±3.15b
48 19.85±1.09d 1.20±0.36d 10.55±0.70a 34.09±1.82a
Data are expressed as mean±SD (n=8). Means with the different letters (in the same column) are significantly different (p<0.05) by Tukey’s test.