Table 1.
The levels of main functional components in the two black tea aroma samples (peak area divided by internal standard)
| Compound name | Samples (IS ratio) | |
|---|---|---|
| Darjeeling | Assam | |
| Hexanal | 0.5 | 0.2 |
| E-2-hexenal | 0.8 | 0.3 |
| 1-hexanol | 0.3 | ND |
| (Z)-3-hexen-1-ol | 0.7 | 0.2 |
| E-2-hexen-1-ol | 0.3 | ND |
| Linalool oxide (cis-franoid) | 4.6 | 1.1 |
| Linalool oxide (trans-franoid) | 8.2 | 2.8 |
| Linalool | 13.9 | 5.2 |
| Linalool oxide (cis-pyranoid) | 0.8 | 0.5 |
| Linalool oxide (trans-pyranoid) | 1.8 | ND |
| Nerol | 0.4 | ND |
| Geraniol | 14.8 | 0.7 |
| Phenylethyl alcohol | 1.3 | 0.2 |
ND not detected