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

  1. * Indicate that the samples were significantly different.
  2. Different letters in the same line indicate significant differences between samples by Duncan’s test (p < 0.05).