Table 4.
Terpene content (mg/g) of air-dried marsh Labrador tea EO (2) and scCO2 extract (5).
| Terpene Compound | EO | ±SD | scCO2 Main Extract | ±SD | scCO2 Rinsed Extract | ±SD | References |
|---|---|---|---|---|---|---|---|
| Monoterpenes and monoterpenoids | |||||||
| β-Myrcene | 399.4 | 32.5 | - | - | - | - | [36,37] |
| cis-p-Mentha-2,8-dien-1-ol | 34.9 | 1.7 | 13.3 | 1.1 | 7.5 | 0.1 | [36] |
| 1,7-Octadien-3-one, 2-methyl-6-methylene- | 18.6 | 4.9 | 10.4 | 1.2 | 6.9 | 0.5 | [37,38] |
| 1,5,7-Octatrien-3-ol, 2,6-dimethyl- | 24.9 | 2.4 | 11.0 | 1.8 | 6.9 | 0.8 | [39] |
| Unknown | - | - | 9.7 | 0.3 | 8.0 | 1.1 | |
| Lepalone | - | - | 10.9 | 0.4 | 8.7 | 0.4 | [37] |
| Myrtenol | - | - | 14.8 | 1.1 | 4.6 | 0.3 | [38,40] |
| Lepalol | - | - | 20.4 | 0.8 | 10.8 | 3.3 | [36,37] |
| Unknown | 7.3 | 2.5 | - | - | - | - | |
| Unknown | - | - | 9.2 | 2.9 | 4.9 | 0.7 | |
| Sesquiterpenes and sesquiterpenoids | |||||||
| 9-epi-β-Caryophyllene | 28.4 | 6.7 | 22.4 | 6.3 | 10.4 | 0.1 | [36,37] |
| Ledene | 11.7 | 2.7 | 10.0 | 3.1 | 5.3 | 0.7 | [36,37] |
| Palustrol | 490.8 | 84.2 | 250.8 | 7.8 | 124.1 | 16.5 | [36,37] |
| Viridiflorol/globulol | 14.1 | 4.5 | 7.3 | <0.1 | 5.1 | 0.8 | [36,37] |
| Ledol | 201.9 | 26.3 | 177.6 | 1.7 | 90.7 | 21.6 | [36,37] |
| (epi)-Cyclocolorenone | 30.4 | 2.3 | 38.9 | 0.9 | 22.7 | 8.7 | [36,37] |
| SUM of monoterpenes and monoterpenoids | 485.1 | - | 99.7 | - | 58.3 | - | |
| SUM of sesquiterpenes and sesquiterpenoids | 777.3 | - | 507.0 | - | 258.3 | - | |
| SUM of all terpene compounds | 1262.4 | - | 606.7 | - | 316.6 | - |