Table 1.
Key odorants identified in cape gooseberry fruit using gas chromatography—olfactometry with aroma extract dilution analysis (GC-O AEDA).
No | Compound | odor | RI Supelcowax-10 |
RI SPB-5 |
FD |
---|---|---|---|---|---|
1 | 2-Methylpropanal | fruity | 900 | <600 | 4 |
2 | Ethyl 2-methyl propanoate | fruity, anise-like | 950 | 750 | 4 |
3 | Butane-2,3-dione | buttery | 980 | <600 | 16 |
4 | Ethyl butanoate | fruity | 1027 | 802 | 512 |
5 | Hexanal | fresh grass | 1072 | 803 | 8 |
6 | Ethyl hexanoate | fruity | 1200 | 1002 | 16 |
7 | Octanal | rancid, citrus | 1287 | 998 | 16 |
8 | Oct-1-en-3-ol | mushroom | 1292 | 978 | 8 |
9 | 2-Acetyl-1-pyrroline | popcorn | 1350 | 911 | 8 |
10 | Ethyl octanoate | fruity | 1419 | 1195 | 128 |
11 | Methional | boiled potato | 1450 | 907 | 128 |
12 | 2,3-Diethyl-5-methyl pyrazine | earthy | 1495 | 1156 | 128 |
13 | (E)-Non-2-enal | fatty, green | 1530 | 1159 | 64 |
14 | β-Linalool | fruity | 1550 | 1101 | 256 |
15 | (E2, Z6)-Nona-2,6-dienal | cucumber | 1580 | 1150 | 64 |
16 | 2-Phenylacetaldehyde | rosy, honey-like | 1640 | 1048 | 8 |
17 | 2-Phenylethanol | flowery, honey-like | 1901 | 1118 | 64 |
18 | Furaneol | cotton candy | 2015 | 1080 | 512 |
RI—Retention indices on a Supelcowax-10 and SPB-5 columns.