Table 2.
Identified volatile compounds.
Compound name | Odor descriptionb | RT | RIexp | RIlita | Concentration range in the samples, ppb in IS equivalents |
---|---|---|---|---|---|
1-propanol | Fermented, fruity, apple, pear | 2.60 | 589 | 595 | 1.67–91.47 |
2-methyl-1-propanol | Wine, whiskey | 3.10 | 627 | 635 | 0.00–233.15 |
1-butanol | Balsamic | 3.54 | 657 | 660 | 20.24–411.62 |
3-methyl-1-butanol | Cognac, banana, fruity | 4.85 | 735 | 730 | 0.00–3631.49 |
2-methyl-1-butanol | Wine, fruity | 5.01 | 743 | 740 | 319.31–3541.74 |
2-hexen-1-ol, (E) | Green, leafy | 7.51 | 861 | 865 | 12.61–124.72 |
1-hexanol | Green, pungent | 7.67 | 868 | 865 | 283.49–4659.29 |
1-octen-3-ol | Earthy, vegetative, mushroom | 10.48 | 990 | 1000 | 0.00–83.00 |
2-ethyl-1-hexanol | Citrus, floral | 11.38 | 1030 | 1030 | 0.01–51.97 |
1-octanol | Citrus, floral, fatty | 12.06 | 1061 | 1070 | 0.00–2.87 |
2-phenylethanol | Floral, rose | 13.25 | 1115 | 1110 | 0.00–598.83 |
Ethyl acetate | Fruity, green | 2.74 | 603 | 610 | 10.27–713.71 |
Methyl-2-methylpropanoate | Fruity, ether | 4.02 | 690 | 684 | 0.06–0.92 |
Ethyl propionate | Fruity, grape, pineapple, rum | 4.13 | 697 | 705 | 1.55–109.10 |
Methyl butanoate | Pungent, fermented | 4.38 | 711 | 720 | 1.19–19.85 |
Ethyl-2-methylpropanoate | Ether, pungent, fruity | 5.18 | 752 | 760 | 0.49–24.63 |
Methyl-2-methylbutanoate | Fruity, ripe, fatty | 5.73 | 780 | 775 | 0.53–6.35 |
Ethyl butanoate | Pineapple, cognac | 6.08 | 798 | 800 | 3.24–150.82 |
Butyl acetate | Solvent, banana | 6.58 | 820 | 815 | 0.17–12.26 |
Ethyl-3-methylbutanoate | Fruity, pineapple, apple, orange | 7.37 | 855 | 855 | 0.12–4.90 |
Isoamyl acetate | Banana, pear | 7.76 | 872 | 875 | 3.91–252.74 |
Ethyl-2-methylbutanoate | Fruity, apple | 8.91 | 891 | 895 | 0.22–5.98 |
Ethyl pentanoate | Fruity, berry, tropical | 9.09 | 930 | 930 | 0.07–2.50 |
Ethyl hexanoate | Fruity, pineapple, banana | 10.62 | 996 | 1000 | 10.34–254.60 |
Hexyl acetate | Fruity, green apple, banana | 10.93 | 1010 | 1010 | 0.50–165.57 |
Hexyl butanoate | Green, fruity, vegetative | 14.70 | 1084 | 1190 | 0.00–51.86 |
Ethyl octanoate | Fruity, wine, banana, brandy | 14.80 | 1189 | 1190 | 1.41–837.17 |
2-phenylethyl acetate | Honey, rose | 16.22 | 1260 | 1260 | 0.00–24.34 |
Ethyl decanoate | Waxy, fruity, apple, grape | 18.54 | 1382 | 1380 | 0.01–174.10 |
3-methylbutyl octanoate | Waxy, fruity, pineapple, coconut | 19.73 | 1449 | 1450 | 0.00–2.11 |
Butanoic acid | Cheesy | 6.85 | 832 | 840 | 0.00–27.24 |
2-methylbutanoic acid | Cheesy, fermented | 7.72 | 870 | 870 | 0.00–13.71 |
Benzaldehyde | Almond, cherry | 9.79 | 960 | 955 | 0.00–11.78 |
3-octanone | Herbal, lavender, mushroom | 10.20 | 978 | 980 | 0.00–0.91 |
Octanal | Waxy, citrus | 10.75 | 1002 | 1005 | 0.07–150.04 |
Phenylacetaldehyde | Honey, rose | 11.71 | 1045 | 1045 | 0.00–2.99 |
Vanillin | Vanilla | 18.78 | 1395 | 1400 | 0.00–0.05 |
Approximate average value according to NIST database (US Department of Commerce, Gaithersburg, MD, USA).
According to www.thegoodscentscompany.com.