Table 1.
Relative percentage of essential oil components from fresh samples of native species of Piper caldense collected in the lowland rainforest, Antonina, PR—Brazil
| Compounds | IRa | IRb | % |
|---|---|---|---|
| α-Pinene | 939 | 932 | 0.8 |
| Camphene | 952 | 946 | 2.1 |
| α-Copaene | 1375 | 1374 | 2.8 |
| trans-Caryophyllene | 1417 | 1417 | 2.6 |
| β-Copaene | 1427 | 1430 | 0.9 |
| Trans-α-bergamotene | 1435 | 1432 | 2.7 |
| γ-Muurolene | 1475 | 1478 | 6.0 |
| α-Amorfene | 1479 | 1483 | 3.3 |
| β-Selinene | 1483 | 1489 | 3.2 |
| Valencene | 1492 | 1496 | 6.7 |
| α Muurolene | 1498 | 1500 | 4.2 |
| δ-Cadinene | 1512 | 1522 | 13.9 |
| Humulene epoxide II | 1605 | 1608 | 1.0 |
| α-Calacorene | 1541 | 1544 | 1.2 |
| β-Calacorene | 1564 | 1564 | 1.9 |
| Spathulenol | 1575 | 1577 | 9.1 |
| Caryophyllene oxide | 1579 | 1582 | 11.9 |
| Rosifoliol | 1597 | 1600 | 1.3 |
| 1,10 di-epi-Cubebol | 1611 | 1618 | 1.6 |
| 1-epi-Cubenol | 1625 | 1627 | 3.4 |
| epi-α-Muurolol | 1639 | 1640 | 3.1 |
| α-Muurolol | 1644 | 1644 | 1.8 |
| α-Cadinol | 1652 | 1652 | 4.2 |
| Cadalene | 1672 | 1675 | 2.3 |
| Total identified (%) | 91.9 | ||
aI.R = Calculated Retention Index
bI.R = Literature Retention Index