Table 1 Reaction completion time (color value under 20) according to reaction conditions (temperature, concentration) of Maillard reaction solution (-: Conditions in which the RGB channel value does not appear below 20 even after 12 h of reaction)

D-Xylose (M) Glycine (M) Red channel Green channel Blue channel

60°C 70°C 80°C 60°C 70°C 80°C 60°C 70°C 80°C

1.0 0.5 - - - - - - - - 12.1
1.0 - - - - - - - - 8.6
1.5 - - - - - 11.1 - 12 6.2
2.0 - - 12.1 - - 8.2 - 8.4 4.6

2.0 0.5 - - 11.1 - - 6.6 - 7.4 3.6
1.0 - - 8.6 - 12 5.6 - 6.4 3.6
1.5 - - - - - 11.1 - 11 5.6
2.0 - - 11.1 - 12 6.2 - 6.4 3.6

3.0 0.5 - - 6.6 - 8.4 4.6 10.1 4.9 2.6
1.0 - 11 5.1 12.1 6.4 3.6 8.1 4 2.1
1.5 - 8.4 4.6 12.1 5.4 3.1 6.1 3.4 2.1
2.0 - 7 3.6 9.1 4.4 2.6 5.1 2.4 1.6

4.0 0.5 - - 8.2 - 11 5.1 12.1 5.4 3.1
1.0 - - 7.1 - 7 3.6 8.6 4.4 2.6
1.5 - 7.9 4.1 11.1 4.9 2.6 5.5 3 1.6
2.0 12.1 6 3.1 7.1 4 2.1 4.1 2.4 1.6

5.0 0.5 10.1 4.9 2.6 5.5 3.4 2.1 3.1 2 1.6
1.0 8.1 4 2.6 5.1 3 1.6 2.6 2 1.6
1.5 - - 7.1 - 7.4 4.1 1.5 4 2.1
2.0 - 7.4 4.1 12.1 4.4 2.6 1.5 3 1.6

6.0 0.5 12.1 5.4 2.6 8.6 3.4 2.1 4.5 2.4 1.6
1.0 9.1 4 2.1 5.5 2.4 1.6 3.6 2 1.6
1.5 8.1 3 2.1 4.5 2.4 1.6 2.6 2 1.6
2.0 6.1 2.4 1.6 4.1 2 1.6 2.6 1.5 1.2