Table 2.
Comparative requirements for L. angustifolia essential oil according to the Ph.Eur. (10th Ed.) and ISO 3515:2002.
| Studied EOs | Analytical Requirements | |||||
|---|---|---|---|---|---|---|
| Component | 1st Year | 2nd Year | 3rd Year | 4th Year | PH-Eur | ISO 3515:2002 (Other Origin) a |
| limonene | 0.3 | 0.7 | 0.4 | 0.6 | ≤1% | ≤1% |
| 1.8-cineoleb | 1.0 | 2.0 | 0.5 | 0.6 | ≤2.5% | ≤3% |
| β-phellandreneb | 0.1 | – | ≤1% | |||
| cis-β-ocimene | 3.1 | 4.2 | 4.0 | 3.9 | – | 1–10% |
| trans-β-ocimene | 2.7 | 4.0 | 3.6 | 3.3 | – | 0.5–6% |
| 3-octanone | 0.5 | 0.8 | 0.8 | 0.9 | 0.1–5% | ≤3% |
| camphor | 0.5 | 0.3 | 0.1 | 0.3 | ≤1.2% | ≤1.5% |
| linalool | 19.3 | 23.1 | 27.6 | 34.2 | 20–45% | 20–43% |
| linalool acetate | 26.3 | 21.2 | 26.0 | 19.4 | 25–47% | 25–47% |
| terpinene-4-ol | 5.4 | 15.3 | 5.7 | 9.3 | 0.1–8% | ≤8% |
| lavandulyl acetate | 6.1 | 0.9 | 10.0 | 6.1 | ≤0.2% | ≤8% |
| lavandulol | 0.8 | 0.8 | 0.6 | ≤0.1% | ≤3% | |
| α-terpineol | 1.4 | 4.9 | 5.6 | 4.2 | ≤2% | ≤2% |
a The ISO provides different specifications depending on origin. b 1.8-cineole and β-phellandrene can be coeluted. Bold font: Divergence from the PH-Eur and/or ISO 3515:2002; Council of Europe. European Pharmacopoeia, 10th ed.; Council of Europe: Strasbourg, France, 2020.