Table 4.
Chemical composition (%) of E. angustifolia extracts.
| N° | Compound 1 | LRI 2 | LRIlit 3 | FM (%) | LM (%) | FH (%) | LH (%) |
|---|---|---|---|---|---|---|---|
| 1 | Acetol | 1319 | 1317 | 6.4 | 20.4 | 18.6 | 24.0 |
| 2 | methyl pyruvate | 1322 | * | - | 7.5 | - | 11.4 |
| 3 | acetic acid | 1440 | 1442 | - | 14.1 | - | 16.0 |
| 4 | furfural | 1458 | 1465 | 28.7 | - | 2.3 | - |
| 5 | acetylfuran | 1495 | 1497 | 2.1 | - | 2.9 | - |
| 6 | 5-methyl furfural | 1600 | 1604 | 11.3 | - | 8.9 | - |
| 7 | 2-furanmethanol | 1655 | 1659 | 7.7 | - | 18.2 | - |
| 8 | ionone | 1840 | 1846 | - | 10.0 | - | 8.9 |
| 9 | furaneol | 2056 | 2060 | 16.9 | - | 5.4 | - |
| 10 | p-vinylguaiacol | 2160 | 2166 | - | 48.0 | - | 39.5 |
| 11 | 5-acetoxymethyl-2-furaldheyde | 2195 | 2199 | 4.7 | - | 4.7 | - |
| 12 | pyranone | 2271 | 2274 | 10.9 | - | 17.3 | - |
| 13 | 5-hydroxymethylfurfural | 2529 | 2532 | 11.3 | - | 21.6 | - |
| Total (%) | 100.0 | 100.0 | 99.9 | 99.8 |
1 Elution order on polar column; 2 Linear Retention Indices measured on polar column; 3 Linear Retention Indices from literature; * LRI not available for temperature ramp; -: Not detected.