No | Compounda | Odour note | Fractionb | DB5 | FFAP | FD boiled | FD raw |
---|---|---|---|---|---|---|---|
1 | Acetoin | Buttery | NBF | nd | 1275 | 4 | 4 |
2 | Acetic acid | Vinegar-like | AF | 635 | 1450 | 4 | 4 |
3 | 2-Methylbutanal | Malty | NBF | 663 | 912 | 16 | nd |
4 | 2,3-Pentanedione | Caramel | NBF | 696 | 1054 | 4 | 2 |
5 | Butanoic acid | Sweaty, cheesy | AF | 835 | 1619 | 4 | 4 |
6 | 2-Methylpyrazine | Popcorn | NBF | 820 | nd | 8 | nd |
7 | 2,5-Dimethylpyrazine | Nutty, roasty | NBF | 906 | nd | 8 | nd |
8 | Benzaldehyde | Almond-like | NBF | 963 | 1524 | 16 | 8 |
9 | 1-Octen-3-one | Mushroom | NBF | 977 | 1295 | 32 | 32 |
10 | Octanal | Citrus | NBF | 1006 | 1276 | 16 | 8 |
11 | 2-Acetylthiazole | Roasty, earthy | NBF | 1020 | 1624 | 64 | nd |
12 | 2-Acetylpyridine | Popcorn | NBF | 1031 | 1551 | 128 | nd |
13 | 3-Hydroxy-4,5-dimethyl-2(5H) furanone (Sotolon) | Seasoning | AF | 1107 | 2200 | 16 | nd |
14 | β-ionone | Floral | NBF | 1457 | 1959 | 4 | 8 |
15 | β-iso-methyl ionone | Floral | NBF | 1534 | nd | 4 | 8 |
16 | Octadecanal | Fatty | NBF | 1818 | 2179 | 8 | 4 |
17 | Hexadecanoic acid | Waxy | AF | 1984 | 2940 | 4 | 4 |
18 | Octadecanoic acid | Mild fatty | AF | 2178 | nd | 4 | 4 |
19 | 9,12-Octadecadienoic acid (Z,Z) | Faint fatty | AF | 2183 | nd | 4 | 4 |