Constituent · Sesquiterpene hydrocarbon
β-copaene
β-copaene is a sesquiterpene hydrocarbon — a heavier, woody or spicy base-note compound that lingers longer than the light terpenes. Across our dataset it was measured in 31 oils (118 samples), concentrating most in Manuka, Cypress, Basil.
Essential oils richest in β-copaene
Measured relative composition (GC peak-area %) pooled across published GC-MS samples — median, typical range (middle 50%) and the maximum seen.
| Oil | Median | Typical range | Max | Samples |
|---|---|---|---|---|
| Manuka | 3.04% | 1.62%–4.46% | 5.88% | 2 |
| Cypress | 1.67% | 1.67%–1.67% | 1.67% | 1 |
| Basil | 1.6% | 0.65%–2.39% | 2.84% | 11 |
| Geranium | 1.56% | 1.06%–1.85% | 2.36% | 15 |
| Yarrow | 1.02% | 1.02%–1.02% | 1.02% | 1 |
| Clary sage | 0.9% | 0.75%–3.8% | 6.7% | 3 |
| Coriander | 0.9% | 0.75%–1.05% | 1.2% | 2 |
| Rosemary | 0.82% | 0.82%–0.82% | 0.82% | 1 |
| Citronella | 0.75% | 0.4%–1.11% | 1.46% | 2 |
| Peppermint | 0.68% | 0.62%–1.3% | 1.91% | 3 |
| Ylang ylang | 0.59% | 0.59%–0.59% | 0.59% | 1 |
| Wormwood | 0.51% | 0.28%–0.91% | 1.63% | 7 |
| Cumin | 0.4% | 0.39%–0.45% | 0.57% | 4 |
| Myrrh | 0.29% | 0.24%–0.35% | 0.4% | 2 |
| Melissa | 0.28% | 0.28%–0.28% | 0.28% | 1 |
| Black pepper | 0.24% | 0.15%–0.47% | 0.96% | 4 |
| Goldenrod | 0.2% | 0.19%–0.2% | 0.2% | 2 |
| Juniper | 0.2% | 0.2%–0.2% | 0.2% | 1 |
| Oregano | 0.2% | 0.1%–0.21% | 0.4% | 7 |
| Grapefruit | 0.17% | 0.12%–5.59% | 11% | 3 |
Oils in our library are linked above — open any profile for its full composition, safety panel and the research behind it.
Related constituents
Other sesquiterpene hydrocarbon compounds across the oils.
Figures are GC peak-area percentages pooled across published GC-MS samples, not concentrations, and describe chemistry — not health effects. How this is built →