Table 1.
Selected sensory parameters for terpenoids.
| Compound | CAS Number |
OTDs (µg/L) |
Odor Descriptor |
|---|---|---|---|
| Limonene | 5989-27-5 | 15 [39] | citrus [13] |
| 6-Methyl-5-hepten-2-one | 110-93-0 | 50 [40] | citrus-like [41] |
| Fenchone | 7787-20-4 | 110 [42] | muddy [43], earthy [42] |
| cis-Linalool oxide (furanoid) | 1365-19-1 | - | elderflower, leaves, sweet [44] |
| trans-Linalool oxide (furanoid) | 34995-77-2 | 320 [45] | woody [45] |
| Linalool | 78-70-6 | 25 [46] | Floral [47], lavender [13] |
| Linalyl acetate | 115-95-7 | 110 [48] | floral, sweet, mint, caraway-like [48] |
| α-terpineol | 98-55-5 | 250 [46] | oily, anise, spicy [13] |
| β-Citronellol | 106-22-9 | 18 [39] | citrus, floral [47] |
| Nerol | 106-25-2 | 15 [39] | orange, floral, lemongrass [49] |
| β-Damascone | 23726-91-2 | - | fruity, floral, plum, rose [18] |
| β-Damascenone | 23696-85-7 | 0.05 [50] | tobacco, apple, floral, rose [49] |
| Geraniol | 106-24-1 | 30 [50] | floral [47], geranium [49] |
| α-Ionone | 127-41-3 | 2.6 [46] | floral [49] |
| β-Ionone | 14901-07-6 | 0.09 [46] | raspberry, floral [49] |
| cis-PseudoIonone | 13927-47-4 | 800 [40] | - |
| trans-PseudoIonone | 3548-78-5 | 800 [40] | - |
| Farnesol (Z,E) | 3790-71-4 | - | - |
| Farnesol (E,Z) | 3879-60-5 | - | - |
| Farnesol (E,E) | 106-28-5 | 20 [45] | floral, oily, blueberry [51,52,53] |
Odor thresholds are reported for a wine matrix except for 6-methyl-5-hepten-2-one (water), pseudoionone (water) and linalyl acetate (air).