Table 5.
Melaleuca quinquenervia essential oil (EO) constituents identified via GC–MS–FID analysis.
| No. | Compound Name | Retention Time | Calculated KI | Actual KI | Identified | Area % |
|---|---|---|---|---|---|---|
| 1 | α-thujene | 5.81 | 926 | 930 | Kovat, NIST, Adams, [35] | 0.132 |
| 2 | α-pinene | 6.028 | 934 | 939 | Kovat, NIST, Adams, Commercial Standard | 7.081 |
| 3 | camphene | 6.42 | 948 | 954 | Kovat, NIST, Adams, Commercial Standard | 0.056 |
| 4 | benzaldehyde | 6.731 | 959 | 960 | Kovat, NIST, Adams, Commercial Standard | 0.154 |
| 5 | β-pinene | 7.232 | 975 | 979 | Kovat, NIST, Adams, Commercial Standard | 2.037 |
| 6 | myrcene | 7.597 | 986 | 990 | Kovat, NIST, Adams, Commercial Standard | 0.974 |
| 7 | unknown | 8.063 | - | - | - | 0.105 |
| 8 | α-terpinene | 8.482 | 1012 | 1017 | Kovat, NIST, Adams, Commercial Standard | 0.19 |
| 9 | p-cymene | 8.8 | 1024 | 1024 | Kovat, NIST, Adams, Commercial Standard | 1.31 |
| 10 | eucalyptol | 9.125 | 1034 | 1031 | Kovat, NIST, Adams, Commercial Standard | 64.754 |
| 11 | γ-terpinene | 9.976 | 1059 | 1059 | Kovat, NIST, Adams, Commercial Standard | 0.764 |
| 12 | terpinolene | 11.091 | 1088 | 1088 | Kovat, NIST, Adams, Commercial Standard | 0.494 |
| 13 | linalool | 11.561 | 1100 | 1096 | Kovat, NIST, Adams, Commercial Standard | 0.135 |
| 14 | δ-terpineol | 14.329 | 1167 | 1166 | Kovat, Adams, [36] | 0.177 |
| 15 | terpinen-4-ol | 14.753 | 1177 | 1177 | Kovat, NIST, Adams, Commercial Standard | 0.793 |
| 16 | α-terpineol | 15.409 | 1190 | 1188 | Kovat, NIST, Adams, Commercial Standard | 7.439 |
| 17 | α-terpinyl acetate | 21.998 | 1348 | 1349 | Kovat, NIST, Adams, Commercial Standard | 1.434 |
| 18 | α-gurjunene | 24.522 | 1402 | 1409 | Kovat, Adams, [35,36] | 0.165 |
| 19 | caryophyllene | 24.938 | 1414 | 1408 | Kovat, NIST, Adams, Commercial Standard | 1.787 |
| 20 | unknown | 25.796 | - | - | - | 0.292 |
| 21 | α-humulene | 26.317 | 1452 | 1454 | Kovat, NIST, Adams, Commercial Standard | 0.372 |
| 22 | alloaromadendrene | 26.611 | 1459 | 1460 | Kovat, NIST, Adams, [35,36] | 0.524 |
| 23 | viridiflorene | 28.012 | 1495 | 1496 | Kovat, Adams, Commercial Standard, [35] | 1.56 |
| 24 | γ-cadinene | 28.747 | 1514 | 1513 | Kovat, NIST, Adams, Commercial Standard | 0.178 |
| 25 | δ-cadinene | 29.1 | 1523 | 1523 | Kovat, NIST, Adams, Commercial Standard | 0.255 |
| 26 | trans-nerolidol | 30.706 | 1561 | 1563 | Kovat, NIST, Adams, Commercial Standard | 0.676 |
| 27 | viridiflorol | 31.866 | 1588 | 1592 | Kovat, NIST, Adams, Commercial Standard | 5.262 |
| 28 | ledol | 32.249 | 1596 | 1602 | Kovat, NIST, Adams, Commercial Standard | 0.901 |