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Enantiomeric distributions of chiral terpenoids present in wintergreen essential oil based on distillation time; “–” indicates not detected; “+” indicates dextrorotatory.
| Chiral Compounds | Enantiomeric Distribution, Dextrorotatory (+), and Levorotatory (−) | |||||||
|---|---|---|---|---|---|---|---|---|
| 30 min | 60 min | 120 min | 180 min | |||||
| (+) | (−) | (+) | (−) | (+) | (−) | (+) | (−) | |
| Linalool | 62.3 | 37.7 | 52.9 | 47.1 | 55.1 | 44.9 | 51.9 | 48.1 |
| α-Terpineol | 26.1 | 73.9 | 29.4 | 70.6 | 26.1 | 73.9 | 34.1 | 65.9 |
| β-Caryophyllene | 0.0 | 100.0 | 0.0 | 100.0 | – | 0.0 | 100.0 | |
| Camphor | – | 100.0 | 0.0 | – | – | |||
