Table 3 Detected aroma compounds with their flavour dilution (FD) factors in each pineapple varieties (Moris, Maspine, MD2, N36, Josapine and Sarawak) grown in Malaysia
No | Compounda | Aroma-qualityb | Moris | Maspine | MD2 | N36 | Josapine | Sarawak | RI on TG-5 ms |
|---|---|---|---|---|---|---|---|---|---|
1 | Methyl-2-methylbutanoate | Fruity | 1024 | – | – | – | – | – | 771 |
2 | 2-Hexanol | Winey | 2 | – | – | – | – | 2 | 780 |
3 | 3-Methylbutanoic acid | Cheesy | – | – | 2 | – | – | – | 792 |
4 | Methyl butyl acetate | Banana | 2 | – | – | – | – | – | 812 |
5 | Methyl-2-methylpentanoate | Fruity | 4 | – | – | – | – | 2 | 823 |
6 | Gamma-butyrolactone | Weak, milky | – | – | 2 | – | – | – | 837 |
7 | Dimethyl malonate | Fruity | 8 | – | 2 | – | – | 2 | 843 |
8 | Ethyl-2,3-dimethylbutanoate | Fruity | 8 | – | – | – | – | – | 856 |
9 | Methyl-2-methyl acetoacetate | Fruity | 8 | – | – | 8 | – | – | 868 |
10 | Methyl-2/3-hydroxy-2/3-methylbutanoate | Fruity | 8 | – | 4 | – | – | – | 877 |
11 | Methyl hexanoate | Fruity | 64 | – | 128 | 64 | 32 | 16 | 884 |
12 | Ethyl isohexanoate | Pineapple | 8 | – | – | – | – | – | 920 |
13 | Methyl-2-methylhexanoate | Sulfurous | 8 | – | 4 | – | – | 2 | 931 |
15 | Hexanoic acid | Fatty | – | – | 2 | – | – | – | 974 |
16 | (E)-β-Ocimene | Sweet, herbal | 2 | – | 2 | – | 2 | 2 | 976 |
17 | Methyl-3-hydroxy-4-methylpentanoate | Fruity | 8 | – | – | – | – | – | 983 |
18 | Ethyl hexanoate | Fruity | 16 | – | – | – | – | 16 | 984 |
19 | Gamma-lactone | Creamy | 16 | – | – | – | 16 | 8 | 986 |
20 | Delta-lactone | ND | – | – | – | – | – | – | 1006 |
21 | 2,5-Dimethyl-4-hydroxy-3(2H)-furanone | Strawberry | 16 | 16 | – | – | 32 | 16 | 1022 |
22 | Methyl-3-hydroxyhexanoate | Fruity | – | – | 8 | – | – | – | 1047 |
23 | 2,5-Dimethyl-4-methoxy-3(2H)-furanone | Caramel, sweet | – | – | 32 | – | – | – | 1055 |
24 | Methyl octanoate | Fruity | 32 | – | 16 | – | – | 16 | 1083 |
25 | Methyl (4E)-4-octenoate | Fruity | 8 | – | – | – | – | – | 1091 |
26 | 3-Octyl acetate | Herbal/green | – | – | 2 | – | – | – | 1118 |
27 | 2,4-Dihydroxy-2,5-dimethyl-3(2H)-furanone | Fruity | 16 | 64 | 128 | – | – | – | 1173 |
28 | Octanoic acid | Rancid | 2 | 2 | 2 | – | – | – | 1174 |
29 | Gamma-octalactone | Coconut | 4 | – | – | – | – | – | 1184 |
30 | Delta-octalactone | Creamy | 16 | – | 32 | 16 | 16 | 16 | 1205 |
31 | Copaene | Woody | 8 | – | 8 | – | 2 | – | 1221 |
32 | Methyl decanoate | Floral | 2 | – | – | – | – | – | 1282 |
33 | 2-Methoxy-4-vinyl phenol | Smoky | – | 16 | 4 | 32 | – | – | 1293 |
34 | Decanoic acid | Sweaty | – | 2 | 2 | – | 2 | 1372 | |
35 | Methyl-5-acetoxy octanoate | Winey | 8 | – | – | – | – | – | 1385 |
36 | gamma-Farnesene | ND | – | – | – | – | – | – | 1453 |
37 | Delta-undecalactone | Coconut | – | – | 32 | – | 16 | – | 1483 |
38 | Germacrene | Woody | – | – | 2 | – | – | – | 1515 |
39 | Globulol | Floral | – | – | 4 | – | – | – | 1530 |
40 | (-)-Spathulenol | Earthy | 8 | – | 8 | – | – | – | 1536 |
41 | Dodecanoic acid | Soapy/sweaty | 2 | – | – | 4 | – | – | 1570 |
42 | y-Dodecalactone | Fruity | – | – | – | 2 | – | – | 1582 |
43 | (Z)-7-Tetradecenal | ND | – | – | – | – | – | = | 1609 |
44 | Pentadecanal | Waxy/fresh | 4 | – | – | 4 | – | – | 1701 |
45 | 3,5-Dimethoxy-4-hydroxycinnamaldehyde | Cocoa-like | – | 2 | – | – | – | – | 1788 |
46 | Pentadecanoic acid | Waxy | – | 2 | – | 2 | – | 2 | 1869 |
47 | Methylhexadecanoate | Waxy | – | 4 | – | 4 | – | 4 | 1878 |
48 | Methyl-(2E)-2-hexadecenoate | ND | – | – | – | – | – | – | 1886 |
49 | Ethyl hexadecanoate | Waxy | – | 2 | – | – | 2 | – | 1928 |
50 | Hexadecanoic acid | Waxy/sweaty | – | 4 | 64 | 4 | 32 | 2 | 1968 |
51 | 9-Hexadecenoic acid | Waxy | – | 2 | – | – | – | – | 1976 |
52 | Octadecanal | Greasy | – | – | – | 4 | – | – | 1999 |
53 | Eicosane | ND | – | – | – | – | – | – | 2009 |
54 | Heptadecanoic acid | Waxy | – | 2 | – | – | 2 | – | 2067 |
55 | Octadecanoic acid | Pungent/sweaty | – | 8 | 2 | 4 | – | 8 | 2167 |
56 | Ethyl octadecanoate | Waxy | – | 8 | – | – | 2 | – | 2177 |
57 | (Z,Z)-9,12-Octadecadienoic acid | Waxy/sweaty | – | 8 | – | – | 8 | 4 | 2183 |
58 | Ethyl oleate | Fatty | – | 8 | – | – | 8 | – | 2185 |
59 | Geranyl geraniol | Floral | 8 | – | – | – | – | – | 2192 |