Table 1.
Characterization of components in synthetic borneol (SB) and natural borneol (NB) by gas chromatography-mass spectrometer (GC-MS).
| Peak No. | R.T. (min) | Identity | Content% (SB) | Content% (NB) |
|---|---|---|---|---|
| 1 | 2.16 | Camphene | 0.0016 | 0.0071 |
| 2 | 3.37 | Cineole | - | 0.0447 |
| 3 | 4.46 | Fenchone | 0.0038 | - |
| 4 | 6.04 | Camphor | 0.325 | 0.8095 |
| 5 | 6.73 | Iso-butylene | 0.0015 | - |
| 6 | 6.83 | α-fenchol | 0.4557 | 0.0116 |
| 7 | 6.93 | β-fenchyl alcohol | 0.3749 | - |
| 8 | 7.15 | fenchyl acetate | - | 0.0399 |
| 9 | 7.16 | exo-methyl-camphenilol | 0.0482 | - |
| 10 | 7.20 | 3-methyl-camphenilol | 0.0151 | 0.001 |
| 11 | 7.49 | m-menthene | 0.0128 | - |
| 12 | 8.13 | iso-borneol | 35.77 | 0.0918 |
| 13 | 8.49 | Borneol | 61.39 | 98.96 |