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The square means of the thresholds of all persons before and on last day of HDT in 10 healthy persons. The thresholds are reported as the dilution series values (dilution 10 is most conc., dilution 1 is least conc.).
| Parameters | Before HDT | Last day of HDT | P value |
|---|---|---|---|
| Sucrose | 3.8 | 3.3 | <0.05 |
| Citric acid | 3.1 | 2.4 | <0.05 |
| Sodium chloride | 3.4 | 2.2 | <0.05 |
| Quinine | 4.6 | 4.1 | <0.05 |
| MSG | 6.2 | 6.9 | <0.05 |
| Capsaicin | 6.4 | 7.1 | <0.05 |
| Amyl butyrate | 3.2 | 2.8 | <0.05 |
| Methone | 3.1 | 2.5 | <0.05 |
