Table 3.
Intensity and pleasantness rating of whole-mouth suprathreshold taste test as a function of tastant concentration.
| C1a | C2 | C3 | C4 | C5 | |
|---|---|---|---|---|---|
| Intensity rating | |||||
| Men (40)b | |||||
| Sweet tastant | 3.20 (0.17)c | 4.34 (0.16) | 6.14 (0.14) | 6.70 (0.12) | 7.20 (0.15) |
| Bitter tastant | 4.25 (0.25) | 4.90 (0.21) | 5.34 (0.21) | 6.23 (0.22) | 7.34 (0.15) |
| Sour tastant | 4.94 (0.16) | 5.66 (0.18) | 6.19 (0.19) | 6.98 (0.20) | 7.52 (0.15) |
| Salty tastant | 3.22 (0.23) | 4.28 (0.21) | 5.19 (0.20) | 6.12 (0.18) | 6.94 (0.17) |
| Women (62) | |||||
| Sweet tastant | 3.56 (0.18) | 4.53 (0.14) | 6.06 (0.13) | 6.66 (0.14) | 7.27 (0.15) |
| Bitter tastant | 4.06 (0.16) | 4.90 (0.19) | 5.51 (0.18) | 6.48 (0.15) | 7.34 (0.15) |
| Sour tastant | 4.73 (0.15) | 5.55 (0.15) | 6.04 (0.15) | 7.07 (0.15) | 7.71 (0.12) |
| Salty tastant | 3.84 (0.17) | 4.62 (0.14) | 5.19 (0.15) | 6.04 (0.16) | 7.13 (0.14) |
| Pleasantness rating | |||||
| Men (40) | |||||
| Sweet tastant | 5.35 (0.13) | 5.88 (0.13) | 5.76 (0.18) | 5.55 (0.23) | 5.33 (0.29) |
| Bitter tastant | 3.90 (0.14) | 3.76 (0.13) | 3.35 (0.16) | 2.90 (0.16) | 2.33 (0.17) |
| Sour tastant | 4.54 (0.16) | 4.19 (0.19) | 3.64 (0.21) | 3.05 (0.23) | 2.74 (0.22) |
| Salty tastant | 4.84 (0.10) | 4.68 (0.13) | 4.36 (0.16) | 3.80 (0.17) | 3.00 (0.17) |
| Women (62) | |||||
| Sweet tastant | 5.44 (0.10) | 5.79 (0.12) | 5.60 (0.16) | 5.10 (0.20) | 4.75 (0.24) |
| Bitter tastant | 3.94 (0.11) | 3.56 (0.14) | 3.14 (0.13) | 2.77 (0.15) | 2.16 (0.12) |
| Sour tastant | 4.62 (0.11) | 4.39 (0.14) | 3.94 (0.17) | 3.31 (0.21) | 2.88 (0.19) |
| Salty tastant | 5.01 (0.52) | 4.89 (0.76) | 4.52 (0.11) | 4.15 (0.13) | 3.31 (0.18) |
The intensity of the solution was selected using the following scale: 1, not present at all; 2, very slight; 3, slight; 4, definitely present; 5, moderate; 6, moderately strong; 7, strong; 8, very strong; 9, extremely strong. The pleasantness of the solution was selected using the following scale: 1, dislike extremely; 2, dislike very much; 3, dislike moderately; 4, dislike slightly; 5, neither like nor dislike; 6, like slightly; 7, like moderately; 8, like very much; 9, like extremely.
Tastant concentrations were as follows: sucrose = 0.08, 0.16, 0.32, 0.64, 1.28 molar; caffeine = 0.0026, 0.0051, 0.0102, 0.0205, 0.0410 molar; citric acid = 0.0026, 0.0051, 0.0102, 0.0205, 0.0410 molar; sodium chloride = 0.032, 0.064, 0.128, 0.256, 0.512 molar.
Number of subjects.
Mean (mean standard error).