Table 1.
Mean Juniperus virginiana essential oil (EO) content (%), and the concentrations (%) of limonene, pregeijerene B, safrole, and methyl eugenol in the EO fractions obtained from the eight distillation times (DT).
| DT (min) | EO Content (%) | Limonene (%) | Pregeijerene B (%) | Safrole (%) | Methyl Eugenol (%) |
|---|---|---|---|---|---|
| 5 | 0.12 b 1 | 43.2 a | 5.87 bc | 20.60 bc | 5.48 e |
| 10 | 0.07 b | 34.9 ab | 9.30 a | 29.00 ab | 6.28 de |
| 20 | 0.07 b | 22.7 bc | 8.45 a | 36.50 a | 9.12 c |
| 40 | 0.16 b | 20.7 bc | 7.03 b | 36.79 a | 11.85 ab |
| 80 | 0.20 b | 18.1 bc | 6.59 b | 26.15 bc | 13.97 a |
| 160 | 0.15 b | 19.1 bc | 5.93 bc | 8.94 d | 9.75 bc |
| 240 | 0.08 b | 15.6 c | 4.80 c | 1.45 d | 5.24 e |
| Control | 1.12 a | 26.9 bc | 6.80 b | 19.08 c | 8.53 cd |
1 Within each column, means followed by the same letter are not significantly different at the 5% level of significance.