Table 5. Detection thresholds for four prototypical tastants (% w/v), including mean, standard error of mean (SEM), and range.
Detection Threshold | ||
---|---|---|
Mean ± SEM | Range | |
Sodium chloride | 0.02 ± 0.002 | 0.02–0.07 |
Citric acid | 0.015 ± 0.0004 | 0.013–0.025 |
Caffeine | 0.007 ± 0.0002 | 0.006–0.009 |
Monosodium glutamate (MSG) | 0.012 ± 0.0007 | 0.008–0.02 |