Table 1.
Chemical composition of Niphogeton dissecta essential oil of province of Loja, Ecuador.
| Component | LRI a | LRI lit b | % c | δ | Literature for LRI |
|---|---|---|---|---|---|
| α-Pinene | 930 | 932 | 3.94 | 1.79 | [18] |
| Sabinene | 969 | 969 | 1.41 | 0.28 | [18] |
| β-Pinene | 974 | 974 | 0.30 | 0.09 | [18] |
| β-Myrcene | 987 | 988 | 2.14 | 0.37 | [18] |
| p-Cymene | 1022 | 1020 | trace | -- | [18] |
| Limonene | 1027 | 1024 | 0.13 | 0.03 | [18] |
| (Z)-β-Ocimene | 1034 | 1032 | 0.10 | 0.04 | [18] |
| (E)-β-Ocimene | 1045 | 1044 | 29.64 | 1.63 | [18] |
| γ-Terpinolene | 1055 | 1056 | 0.29 | 0.30 | [19] |
| Unidentified | 1072 | -- | trace | -- | -- |
| α-Pinene oxide | 1093 | 1099 | trace | -- | [18] |
| Unidentified | 1155 | -- | trace | -- | -- |
| (E,E) 2,6-Dimethyl-3,5,7-octatriene-2-ol | 1205 | 1207 | trace | -- | [20] |
| Citronellol | 1224 | 1223 | 0.16 | 0.07 | [18] |
| Unidentified | 1256 | -- | 0.15 | 0.01 | -- |
| Geranial | 1264 | 1264 | 0.07 | 0.01 | [18] |
| Methyl geranate | 1318 | 1322 | 0.51 | 0.04 | [18] |
| Unidentified | 1334 | -- | 0.06 | 0.01 | -- |
| α-Copaene | 1371 | 1374 | trace | -- | [18] |
| β-Funebrene | 1411 | 1413 | 0.17 | 0.02 | [18] |
| (E)-Caryophyllene | 1414 | 1417 | 0.24 | 0.02 | [18] |
| β-Cedrene | 1417 | 1419 | 1.23 | 0.13 | [18] |
| cis-Thujopsene | 1420 | 1429 | 0.97 | 0.10 | [18] |
| (E)-β-Farnesene | 1450 | 1454 | 1.13 | 0.13 | [18] |
| allo-aromadendrene | 1454 | 1458 | trace | -- | [18] |
| α-Himachalene | 1457 | 1449 | trace | -- | [18] |
| cis-Cadina-1(6),4-diene | 1466 | 1461 | 1.70 | 0.17 | [18] |
| γ-Muurolene | 1469 | 1478 | 0.36 | 0.04 | [18] |
| Germacrene-D | 1475 | 1484 | 0.38 | 0.05 | [18] |
| ar-Curcumene | 1477 | 1479 | 0.15 | 0.01 | [18] |
| α-Zingiberene | 1491 | 1493 | 0.34 | 0.02 | [18] |
| (E,E)-α-Farnesene | 1501 | 1505 | trace | -- | [18] |
| Unidentified | 1506 | -- | 0.23 | 0.02 | -- |
| δ-Cadinene | 1513 | 1522 | 0.36 | 0.03 | [18] |
| β-Sesquiphellandrene | 1519 | 1521 | 0.89 | 0.08 | [18] |
| (E)-Nerolidol | 1557 | 1561 | 0.08 | 0.01 | [18] |
| Unidentified | 1565 | -- | 0.42 | 0.07 | -- |
| Spathulenol | 1569 | 1577 | 0.13 | 0.01 | [18] |
| Unidentified | 1581 | -- | 0.40 | 0.03 | -- |
| Unidentified | 1585 | -- | 0.15 | 0.01 | -- |
| Geranyl isovalerate | 1594 | 1606 | 0.57 | 0.05 | [18] |
| Cedrol | 1600 | 1600 | 0.33 | 0.03 | [18] |
| Unidentified | 1609 | -- | 0.07 | 0.01 | -- |
| α-Cadinol | 1645 | 1652 | 0.08 | 0.01 | [18] |
| Unidentified | 1655 | -- | 1.20 | 0.05 | -- |
| Acorenone | 1666 | 1655 | 0.11 | 0.01 | [21] |
| Acorenone B | 1683 | 1675 | 41.01 | 3.35 | [22] |
| (3E)-Butylidene phthalide | 1718 | 1717 | 5.54 | 0.93 | [18] |
| Unidentified | 1777 | -- | 0.11 | 0.04 | -- |
| Sandaracopimaradiene | 1943 | 1942 | trace | -- | [23] |
| Biformene | 1983 | 1990 | trace | -- | [18] |
| Unidentified | 2008 | -- | trace | -- | -- |
| (E,E)-Geranyl linalool | 2016 | 2026 | trace | -- | [18] |
| Unidentified | 2047 | -- | trace | -- | -- |
| Unidentified | 2052 | -- | 0.64 | 0.19 | -- |
| Monoterpene hydrocarbons | - | - | 37.97 | ||
| Oxygenated monoterpene | - | - | 0.25 | ||
| Sesquiterpene hydrocarbons | - | - | 9.71 | ||
| Oxygenated sesquiterpene | - | - | 42.31 | ||
| Others | - | - | 6.22 | ||
| Total amount of compounds | - | - | 96.46% |
a Calculated linear retention indices (LRI) on DB-5MS capillary column; b Linear retention indices according to literature; c Relative percentage values are means of four determinations with a Relative Standard Deviation (RSD%) below 5% for the most abundant components. Traces % < 0.05.