Table 2.
Percentages of volatile compounds in different parts of P. Nobby’s Pacific Sunset.
| RI a | Compound | Whole Flowers | Petals | Lateral Sepals | Dorsal Sepals | Lip | Column |
|---|---|---|---|---|---|---|---|
| 641 | 2-methyl butanal | 0.60 ± 0.15 | 0.26 ± 0.24 | - b | - | 0.17 ± 0.12 | - |
| 882 | styrene | 0.02 ± 0.00 | 1.28 ± 1.16 | 0.86 ± 0.62 | 2.80 ± 1.78 | - | - |
| 933 | benzaldehyde | 0.08 ± 0.02 | - | 0.07 ± 0.00 | 0.07 ± 0.00 | 0.05 ± 0.02 | - |
| 964 | 6-methyl-5-hepten-2-one | 0.69 ± 0.55 | - | 0.48 ± 0.24 | - | - | - |
| 981 | β-myrcene | 3.87 ± 0.18 | 6.83 ± 0.05 | 6.35 ± 0.46 | 5.93 ± 0.45 | 5.62 ± 1.33 | 4.89 ± 0.21 |
| 1021 | limonene | 1.30 ± 0.04 | 2.27 ± 0.02 | 2.12 ± 0.34 | - | 1.95 ± 0.39 | - |
| 1023 | cis-β-ocimene | <0.01 | - | - | - | - | 2.39 ± 0.32 |
| 1035 | trans-β-ocimene | 2.16 ± 0.28 | 3.60 ± 1.03 | 2.98 ± 0.22 | 3.21 ± 0.65 | 2.53 ± 0.68 | 6.44 ± 1.62 |
| 1050 | α-ocimene | 0.07 ± 0.02 | 0.10 ± 0.01 | 0.10 ± 0.03 | 0.08 ± 0.02 | 0.12 ± 0.01 | 0.35 ± 0.02 |
| 1060 | 3-methylphenol | 0.07 ± 0.02 | 0.10 ± 0.01 | - | - | - | - |
| 1065 | 2-methylphenol | 0.22 ± 0.10 | 0.33 ± 0.02 | 0.32 ± 0.13 | 0.29 ± 0.06 | 0.53 ± 0.06 | 0.84 ± 0.24 |
| 1080 | linalool | 28.30 ± 16.78 | 40.24 ± 2.77 | 39.53 ± 7.40 | 42.04 ± 3.08 | 67.77 ± 4.98 | 63.53 ± 6.57 |
| 1099 | (E)-4,8-dimethyl-1,3,7-nonatriene | 0.51 ± 0.06 | 1.33 ± 0.15 | 1.20 ± 0.13 | 1.90 ± 0.29 | 0.80 ± 0.05 | - |
| 1189 | methyl salicylate | 0.11 ± 0.05 | - | - | - | - | - |
| 1201 | nerol | 4.54 ± 1.05 | 2.40 ± 0.77 | - | - | - | - |
| 1231 | geraniol | 28.31 ± 8.97 | 15.68 ± 4.39 | 17.77 ± 6.43 | 9.88 ± 2.07 | 6.50 ± 1.92 | - |
| 1233 | geranial | - | 1.15 ± 0.12 | 1.17 ± 0.15 | - | - | - |
| 1357 | neryl acetate | 0.91 ± 0.57 | - | - | - | 0.59 ± 0.53 | - |
| 1360 | geranyl acetate | 0.52 ± 0.26 | - | - | - | - | - |
| 1444 | trans-β-farnesene | 1.08 ± 0.87 | - | - | - | - | - |
| 1469 | α-humulene | 0.27 ± 0.07 | - | - | - | - | - |
| 1477 | α-curcumene | 0.29 ± 0.19 | 0.48 ± 0.16 | 0.46 ± 0.08 | 0.57 ± 0.11 | 0.16 ± 0.03 | - |
| 1481 | (Z,E)-α-farnesene | 0.47 ± 0.07 | - | - | - | - | - |
| 1489 | α-zingiberene | 0.20 ± 0.10 | - | - | - | - | - |
| 1490 | cis-γ-bisabolene | <0.01 | - | - | - | - | - |
| 1495 | (E,E)-α-farnesene | 11.10 ± 4.49 | 10.33 ± 1.27 | 10.71 ± 3.10 | 13.73 ± 1.32 | 2.59 ± 0.47 | 4.83 ± 3.08 |
| 1544 | nerolidol | 0.31 ± 0.24 | - | - | - | - | - |
| 1556 | trans-γ-bisabolene | 0.17 ± 0.05 | - | - | - | - | - |
| 1686 | cis-11-hexadecenal | 0.19 ± 0.05 | - | 0.03 ± 0.03 | - | - | - |
| 1705 | (Z,E)-farnesol | 0.82 ± 0.85 | - | - | - | - | - |
| 1721 | (E,E)-farnesal | 0.17 ± 0.15 | - | - | - | - | - |
a Retention indices, using paraffin (C5-C25) as references; b undectable.