Table 1. Names and Characteristics of the Odorants Used.
No. | Odorant (Abbreviation) | Chemical Characteristics | Vapour Pressure (kPa at 25°C) | Density (g/mL at 25°C) | Purity | Company |
1 | Acetovanillone (AC) | Aromatic ketone | 0.000002426 | 1.158 | >98.0% | Aldrich |
2 | Benzaldehyde (BA) | Aromatic aldehyde | 4.900 | 1.045 | >99.5% | Aldrich |
3 | Benzylalcohol (BO) | Aromatic alcohol | 0.0211 | 1.045 | >99.0% | Sigma-Aldrich |
4 | Butanal (BUA) | Aldehyde | 12.799 | 0.800 | >99.0% | Fluka |
5 | 1-Butanol (BUO) | Primary alcohol | 1.1359 | 0.810 | >99.9% | Sigma-Aldrich |
6 | 2-Butanone (BUN) | Ketone | 15.3321 | 0.805 | >99.9% | Fluka |
7 | Caryophyllene (CY) | Sesquiterpene | 0.0009 | 0.902 | >98.5% | Sigma |
8 | Citral (CI) | Terpene aldehyde | 0.0095 | 0.888 | >95.0% | Fluka |
9 | Citronellol (CO) | Terpene alcohol | 0.0130 | 0.857 | >99.0% | Fluka |
10 | β-Damascenone (DA) | Norisoprenoid terpene | 0.0007 | 0.800 | 95.0% | Aldrich |
11 | 2,4-Decadienal (DE) | Unsaturated aldehyde | 0.004 | 0.872 | 95.0% | Adrich |
12 | Ethylacetate (EA) | Ester | 10.1 | 0.902 | >99.9% | Fluka |
13 | Ethylbenzoate (EBZ) | Aromatic ester | 0.024 | 1.045 | >99.0% | Aldrich |
14 | Ethylhexanoate (EH) | Ester | 0.2213 | 0.869 | >99.0% | Aldrich |
15 | Ethyl-3-hydroxybutyrate (EHB) | Ester alcohol | 0.0483 | 1.017 | >98.0% | Aldrich |
16 | Geranic acid (GAC) | Terpene acid | 0.0003 | 0.970 | 95.0% | Aldrich |
17 | Geraniol (GE) | Terpene alcohol | 0.0030 | 0.879 | >99.0% | Fluka |
18 | 1-Hexanol (HO) | Primary alcohol | 0.1263 | 0.814 | >99.9% | Fluka |
19 | 2-Hexanone (HN) | Ketone | 1.7732 | 0.812 | >99.5% | Fluka |
20 | 2-Isobutyl-3-methoxypyrazine (IP) | Pyrazine | 0.0364 | 0.990 | 99.0% | Aldrich |
21 | Limonene (LI) | Monoterpene | 0.2053 | 0.842 | >99.0% | Fluka |
22 | Linalool (LO) | Terpene alcohol | 0.0121 | 0.870 | >95.0% | Fluka |
23 | 6-Methyl-5-hepten-2-one (MHN) | Unsaturated ketone | 0.1707 | 0.855 | 99.0% | Aldrich |
24 | Methyl-2-hydroxybenzoate (MHB) | Aromatic ester | 0.0093 | 1.174 | >99.0% | Sigma-Aldrich |
25 | Myrcene (MY) | Monoterpene | 0.3053 | 0.791 | >95.0% | Fluka |
26 | Nerol (NE) | Terpene alcohol | 0.0027 | 0.876 | 97.0% | Aldrich |
27 | 2-Nonenal (NOA) | Unsaturated aldehyde | 0.0038 | 0.846 | 97.0% | Aldrich |
28 | Ocimene (OC) | Monoterpene | 0.1866 | 0.818 | >90.0% | Aldrich |
29 | 2-Phenylethanol (PHE) | Aromatic alcohol | 0.0099 | 1.012 | >98.0% | Fluka |
30 | α-Pinene (PIA) | Monoterpene | 0.4653 | 0.858 | 98.0% | Aldrich |
31 | β-Pinene (PIB) | Monoterpene | 0.32 | 0.866 | >99.0% | Aldrich |
32 | α-Terpineol (TP) | Terpene alcohol | 0.0038 | 0.930 | 90.0% | Aldrich |
The odorants are listed alphabetically. Odorant vapour pressures and chemical characteristics such as functional groups are also given. Racemic mixtures were used in the case of odorants that had chiral carbons.