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Schedules of NaCl and citric acid taste threshold experiments
| Stage | NaCl threshold | Citric acid threshold | ||
| Day | Solution | Day | Solution | |
| Conditioning | 1 | 150 mM LiCl | 1 | 150 mM LiCl + 10 mM citric acid |
| Recovery | 2 | Water | 2 | Water |
| Conditioning | 3 | 150 mM LiCl | 3 | 150 mM LiCl + 10 mM citric acid |
| Preference testing | 4–26 | 0–150 mM NaCl and water | 4–22 | 0–30 mM Citric acid and water |
