Constituent · Unclassified
α-fenchene
α-fenchene is a naturally occurring essential-oil constituent. Across our dataset it was measured in 13 oils (23 samples), concentrating most in Wormwood, Yarrow, Fennel.
13 oils 23 samples Unclassified
Essential oils richest in α-fenchene
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 |
|---|---|---|---|---|
| Wormwood | 52.29% | 52.29%–52.29% | 52.29% | 1 |
| Yarrow | 4.28% | 2.64%–4.58% | 4.87% | 3 |
| Fennel | 3.3% | 3.3%–3.3% | 3.3% | 1 |
| Nutmeg | 1.56% | 0.83%–2.28% | 3% | 2 |
| Cypress | 1.36% | 1.16%–1.43% | 1.5% | 3 |
| Rosemary | 0.44% | 0.37%–0.51% | 0.58% | 2 |
| Helichrysum | 0.25% | 0.13%–0.34% | 0.35% | 4 |
| Laurel | 0.17% | 0.12%–0.23% | 0.28% | 2 |
| Lime | 0.08% | 0.08%–0.08% | 0.08% | 1 |
| Peppermint | 0.04% | 0.04%–0.04% | 0.04% | 1 |
| Lemon | 0.02% | 0.02%–0.02% | 0.02% | 1 |
| Black pepper | 0.01% | 0.01%–0.01% | 0.01% | 1 |
| Orange | 0.01% | 0.01%–0.01% | 0.01% | 1 |
Oils in our library are linked above — open any profile for its full composition, safety panel and the research behind it.
Figures are GC peak-area percentages pooled across published GC-MS samples, not concentrations, and describe chemistry — not health effects. How this is built →