Table 1.
Composition of tea tree oil.
| Component | Composition (%) | |
|---|---|---|
|
| ||
| ISO 4730 rangea | Typical compositionb | |
| Terpinen-4-ol | ≥30c | 40.1 |
| γ-Terpinene | 10–28 | 23.0 |
| α-Terpinene | 5–13 | 10.4 |
| 1,8-Cineole | ≤15d | 5.1 |
| Terpinolene | 1.5–5 | 3.1 |
| ρ-Cymene | 0.5–12 | 2.9 |
| α-Pinene | 1–6 | 2.6 |
| α-Terpineol | 1.5–8 | 2.4 |
| Aromadendrene | Trace–7 | 1.5 |
| δ-Cadinene | Trace–8 | 1.3 |
| Limonene | 0.5–4 | 1.0 |
| Sabinene | Trace–3.5 | 0.2 |
| Globulol | Trace–3 | 0.2 |
| Viridiflorol | Trace–1.5 | 0.1 |
a
IOS 4730. International Organization for Standardization standard no. 4730 (from reference 89).
b
From reference 25.
c
No upper limit is set, although 48% has been proposed.
d
No lower limit is set.