Constituent · Sesquiterpene hydrocarbon
α-amorphene
α-amorphene 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 22 oils (85 samples), concentrating most in Lavender, Laurel, Myrtle.
Essential oils richest in α-amorphene
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 |
|---|---|---|---|---|
| Lavender | 2.33% | 2.13%–2.71% | 2.94% | 13 |
| Laurel | 2.08% | 2.08%–2.08% | 2.08% | 1 |
| Myrtle | 1.91% | 1.12%–2.81% | 3.23% | 4 |
| Yarrow | 1.77% | 1.66%–1.89% | 2% | 2 |
| Vetiver | 1.54% | 1.37%–1.71% | 1.88% | 2 |
| Ylang ylang | 0.8% | 0.64%–0.97% | 1.13% | 2 |
| Manuka | 0.74% | 0.45%–1.02% | 1.3% | 2 |
| Melissa | 0.62% | 0.32%–0.93% | 1% | 4 |
| Citronella | 0.58% | 0.4%–0.77% | 0.95% | 2 |
| Dill | 0.4% | 0.29%–0.5% | 0.61% | 2 |
| Geranium | 0.29% | 0.25%–0.44% | 0.87% | 15 |
| Rosemary | 0.29% | 0.13%–0.33% | 1.75% | 21 |
| Blue tansy | 0.28% | 0.28%–0.28% | 0.28% | 1 |
| Cajeput | 0.26% | 0.26%–0.26% | 0.26% | 1 |
| Fennel | 0.23% | 0.23%–0.23% | 0.23% | 1 |
| Cypress | 0.18% | 0.18%–0.18% | 0.18% | 1 |
| Frankincense | 0.18% | 0.18%–0.18% | 0.18% | 1 |
| Spearmint | 0.1% | 0.1%–0.1% | 0.1% | 1 |
| Thyme | 0.1% | 0.1%–0.1% | 0.1% | 1 |
| Sage | 0.05% | 0.05%–0.05% | 0.05% | 1 |
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 →