TABLE 2 .
Stimuli used during the flavor sessions
| Step | Presentation^ | Odorant | Odorant quantity (g or g/l if in water) | Source |
|---|---|---|---|---|
| 1 | Sniffed | Strawberry | 0.05 | Quest |
| 1 | Sniffed | Mint (Carvone) | 0.08 | Dragoco |
| 1 | Straw | 5% Sucrose | – | Sigma-Aldrich |
| 1 | Sniffed | Banana | 0.10 | Quest |
| 1 | Sniffed | Lemon (lemon oil) | 0.13 | Sigma-Aldrich |
| 1 | Straw | 0.13% Citric acid | – | Sigma |
| 2 | Sniffed | Cherry | 0.10 | Quest |
| 2 | Straw | Strawberry odor in 5% sucrose solution | 0.01 | Quest |
| 2 | Sniffed | Blank (no odor) | – | – |
| 2 | Straw | Banana odor in 0.13% in citric acid solution | 0.012 | Quest |
| 2 | Sniffed | Blank (no odor) | – | – |
| 2 | Sniffed | Caramel | 0.05 | Dragoco |
| 3 | Straw | ^Sucrose | 5% | Sigma-Aldrich |
| 3 | Straw | Lemon odor in 0.13% citric acid solution | 0.05 | Sigma-Aldrich |
| 3 | Straw | 0.13% Citric acid | – | Sigma-Aldrich |
| 3 | Straw | Mint in sucrose solution | 0.025 | Dragoco |
| 4 | Straw | ^0.13% Citric acid | – | Sigma-Aldrich |
| 4 | Straw | Cherry in water | 1.0 | Quest |
| 4 | Straw | 5% Sucrose | – | Sigma-Aldrich |
| 4 | Straw | Caramel in water | 1.0 | Dragoco |
| 5 | Sipped | 0.13% Citric acid | – | Sigma-Aldrich |
| 5 | Sipped | Strawberry in water | 1.0 | Quest |
| 5 | Sipped | 5% Sucrose | – | Sigma-Aldrich |
| 5 | Sipped | Banana in water | 1.2 | Quest |
Notes: Odorants marked with ^ were water for all synesthetes except S3.