Table 2 Time-Intensity results for citric acid (0.008%, 0.016% and 0.024% of concentration) under different sucrose solutions
From: Dynamic interaction of sweet and sour taste perceptions based on sucrose and citric acid
Concentration of citric acid, % | Concentration of sucrose, % | Imax* | Tmax | Tstart | Tdec | Tend* | AUC* |
---|---|---|---|---|---|---|---|
0.008% | 0 | 4.78 ± 0.09a | 4.09 ± 0.6a | 1.93 ± 0.18a | 9.15 ± 0.89a | 22.24 ± 1.29a | 66.68 ± 3.74a |
2 | 3.79 ± 0.13b | 3.25 ± 0.44a | 1.47 ± 0.14a | 10.08 ± 0.7a | 20.71 ± 0.72a | 52.81 ± 2.76ab | |
4 | 3.67 ± 0.13bc | 2.63 ± 0.28a | 1.57 ± 0.11a | 10.02 ± 0.64a | 18.44 ± 0.72ab | 46.19 ± 1.66b | |
6 | 3.40 ± 0.1bc | 2.90 ± 0.31a | 1.30 ± 0.15a | 9.81 ± 0.74a | 19.05 ± 0.74ab | 44.72 ± 1.96bc | |
8 | 3.14 ± 0.15c | 2.13 ± 0.19a | 1.68 ± 0.18a | 10.41 ± 0.63a | 16.94 ± 0.65b | 38.38 ± 1.83c | |
10 | 3.03 ± 0.07c | 3.02 ± 0.28a | 1.80 ± 0.18a | 10.01 ± 0.71a | 18.30 ± 0.66ab | 38.42 ± 1.46c | |
 |  | Imax* | Tmax | Tstart | Tdec | Tend | AUC* |
0.016% | 0 | 9.09 ± 0.08a | 4.15 ± 0.68a | 1.56 ± 0.09a | 11.36 ± 0.62a | 27.88 ± 2.25a | 159.99 ± 11.96a |
2 | 6.20 ± 0.17b | 3.71 ± 0.75a | 1.51 ± 0.10a | 9.82 ± 0.94a | 22.56 ± 1.30a | 88.51 ± 5.27b | |
4 | 5.69 ± 0.15b | 3.96 ± 0.77a | 1.32 ± 0.15a | 10.85 ± 0.81a | 21.80 ± 1.31a | 83.51 ± 5.24b | |
6 | 5.01 ± 0.14c | 2.48 ± 0.21a | 1.53 ± 0.17a | 10.28 ± 0.77a | 22.70 ± 1.18a | 78.84 ± 4.47b | |
8 | 4.87 ± 0.15 cd | 3.15 ± 0.68a | 1.37 ± 0.12a | 10.31 ± 0.89a | 20.62 ± 1.02a | 67.28 ± 4.31b | |
10 | 4.41 ± 0.12 d | 3.65 ± 0.69a | 1.53 ± 0.14a | 9.11 ± 0.70a | 21.83 ± 1.12a | 62.71 ± 2.58b | |
0.024% | 0 | 11.13 ± 0.09a | 4.92 ± 0.6a | 2.12 ± 0.16a | 9.33 ± 0.76a | 33.15 ± 2.38a | 207.79 ± 14.52a |
2 | 8.77 ± 0.11b | 6.27 ± 0.96a | 1.44 ± 0.17a | 10.34 ± 0.88a | 31.07 ± 1.84a | 164.39 ± 8.32b | |
4 | 7.84 ± 0.14c | 6.01 ± 0.96a | 1.55 ± 0.16a | 10.52 ± 0.97a | 26.97 ± 1.54a | 133.67 ± 7.43bc | |
6 | 7.37 ± 0.13c | 6.43 ± 0.89a | 1.58 ± 0.15a | 11.04 ± 0.74a | 26.55 ± 1.59a | 118.52 ± 5.53c | |
8 | 6.86 ± 0.14 d | 4.90 ± 0.76a | 1.94 ± 0.16a | 10.29 ± 0.8a | 24.62 ± 1.59a | 108.66 ± 7.01c | |
10 | 6.13 ± 0.11e | 6.10 ± 0.94a | 1.71 ± 0.15a | 10.58 ± 0.8a | 25.71 ± 1.66a | 96.89 ± 6.05c |