Aldehydes | Butanal | 1.86 | 2.00 | 1.61 | 1.70 | 2.05 | 2.05 | 0.056 | 0.708 | 0.304 | 0.028 | Pungent, green, malty, meaty, nutty, bready | [24], [25] |
2-Methylbutanal | 0.58b | 0.96a | 1.02a | 0.75b | 0.80b | 1.52a | 0.062 | < 0.001 | 0.087 | 0.191 | Almond, cocoa, coffee, nutty | [25] |
3-Methylbutanal | 0.41by | 0.69ax | 0.74ay | 0.62bx | 0.62by | 1.07ax | 0.041 | < 0.001 | 0.019 | 0.419 | Aldehydic, fatty, malt, chocolate | [25] |
Hexanal | 25.19 | 21.54 | 22.35 | 27.81 | 16.71 | 25.69 | 0.833 | 0.238 | 0.826 | 0.863 | Grass, tallow, fat | [24], [25], [53] |
Heptanal | 0.59a | 0.58a | 0.49b | 1.11a | 0.34c | 0.55b | 0.041 | < 0.001 | 0.094 | 0.007 | Oily, fatty, citrus, rancid | [24], [25], [53] |
Octanal | 0.26b | 0.24b | 0.34a | 0.47a | 0.20b | 0.23b | 0.016 | 0.012 | 0.393 | < 0.001 | Oily, fatty, green, honey | [24], [25], [53] |
Nonanal | 0.34 | 0.18 | 0.27 | 0.34 | 0.16 | 0.29 | 0.014 | 0.092 | 0.973 | 0.841 | Fatty, citrus, grassy, green | [24], [25], [53] |
Propanal | 2.60bx | 3.01ax | 2.83abx | 2.01by | 2.09aby | 2.64ay | 0.093 | 0.036 | 0.001 | 0.324 | Cocoa, pungent, nutty, alcoholic, wine | [24], [25], [53] |
Alkane | 2,5-Dimethylheptane | 5.13ax | 2.52bx | 0.49cx | 0.27aby | 0.21by | 0.32ay | 0.271 | < 0.001 | < 0.001 | < 0.001 | Bacon, meaty, gravy, roasted | [25] |
Heptane | 5.18 | 4.82 | 5.07 | 5.54 | 3.05 | 5.38 | 0.183 | 0.767 | 0.331 | 0.952 | Alkane, ethereal, sweet | [25] |
Octane | 2.11b | 2.19b | 3.75a | 2.93a | 0.99b | 4.08a | 0.254 | 0.026 | 0.977 | 0.686 | Alkane, gasoline | [24], [25] |
Benzene | Toluene | 25.58 | 36.43 | 39.84 | 33.85 | 50.26 | 32.28 | 1.733 | 0.121 | 0.146 | 0.055 | Sweet, paint, solvent-like | [24], [25], [54] |
2-Methylfuran | 8.29 | 8.56 | 8.65 | 7.02 | 8.43 | 7.38 | 0.444 | 0.747 | 0.331 | 1.000 | Acetone, chocolate | [25] |
Furans | 2,5-Dimethylfuran | 0.45bx | 0.64ax | 0.65ax | 0.42by | 0.36by | 0.61ay | 0.025 | < 0.001 | 0.012 | 0.973 | Bacon, meaty, gravy, roasted | [25] |
2-Pentylfuran | 2.11 | 2.00 | 2.27 | 2.75 | 0.46 | 2.75 | 0.144 | 0.889 | 0.454 | 0.573 | Beany, butter, green | [25] |
VSC | Carbondisulfide | 18.05a | 11.11b | 6.91c | 10.52b | 12.35a | 9.78c | 0.738 | < 0.001 | 0.334 | < 0.001 | Pleasant, sweet, ether like | [51] |
Benzothiazole | 0.94b | 2.15ab | 2.40a | 1.40b | 0.69b | 3.35a | 0.209 | < 0.001 | 0.966 | 0.595 | Gasoline, coffee, cooked, meat, nutty, sulfur | [24], [25] |
Alcohol | 2-Butyl-1-octanol | 0.33b | 0.41a | 0.33b | 0.49a | 0.24b | 0.28b | 0.018 | 0.012 | 0.439 | 0.011 | - | - |
Total aldehydes | 31.83 | 29.19 | 29.65 | 34.81 | 22.97 | 34.04 | 0.870 | 0.504 | 0.831 | 0.749 | - | - |
Total alkane | 12.41x | 9.52x | 9.31x | 8.75y | 4.24y | 9.78y | 0.479 | 0.324 | 0.002 | 0.052 | - | - |
Total benzene | 25.58 | 36.43 | 39.84 | 33.85 | 50.26 | 33.28 | 1.733 | 0.121 | 0.146 | 0.055 | - | - |
Total furan | 10.85 | 11.19 | 11.56 | 10.18 | 9.25 | 10.48 | 0.446 | 0.650 | 0.180 | 0.852 | - | - |
Total VSC | 18.99a | 13.25b | 9.31c | 11.92b | 13.04a | 13.13a | 0.738 | 0.009 | 0.363 | < 0.001 | - | - |
Total alcohol | 0.33b | 0.41a | 0.33b | 0.49a | 0.24b | 0.28b | 0.018 | 0.012 | 0.439 | 0.011 | - | - |