Table 2. Changes in color of ‘Makgeolli’ during storage at 15°C
Storage time (days) | L1) | a2) | b3) | ΔE4) |
0 | 7.53±0.70h5) | −0.01±0.09h | 3.11±0.35g | 88.55±0.69a |
7 | 9.78±0.48efg | 0.02±0.06efg | 3.98±0.14ef | 85.34±0.62def |
14 | 9.92±9.92defg | 0.03±0.12def | 4.20±0.12cde | 85.88±0.39d |
21 | 9.23±0.21g | 0.02±0.12fg | 3.65±0.15f | 86.87±0.20b |
28 | 9.43±0.08fg | 0.01±0.24g | 3.76±0.19f | 86.68±0.09bc |
35 | 10.01±0.13def | 0.03±0.07cdef | 4.14±0.14de | 86.12±0.13cd |
42 | 10.32±0.23cde | 0.04±0.17bcd | 4.23±0.09bcde | 85.82±0.22d |
49 | 10.56±0.30bcd | 0.03±0.06cde | 4.30±0.29abcde | 85.58±0.29de |
56 | 10.79±0.32abc | 0.04±0.09abc | 4.45±0.14abcd | 85.36±0.32def |
63 | 11.19±0.18ab | 0.05±0.14ab | 4.59±0.14abc | 84.97±0.17ef |
70 | 11.36±0.23a | 0.05±0.07ab | 4.66±0.08a | 84.80±0.23ef |
77 | 11.40±0.88a | 0.06±0.13a | 4.45±0.22abcd | 84.61±0.66f |
84 | 11.08±0.67ab | 0.06±0.17ab | 4.37±0.39abcd | 85.00±0.75ef |
91 | 11.72±0.35a | 0.05±0.18ab | 4.61±0.11ab | 84.75±0.35f |
Lightness (0 = white, 100 = black).
Redness (−80 = green, +100 = red).
Yellowness (−50 = blue, +70 = yellow).
Δ E = Δ L 2 + Δ a 2 + Δ b 2 , color difference.
Mean±SD (n=3) within each column followed by different letters are significantly different (p<0.05).