Table 1.
Volatile organic compounds in essential oil obtained from wild populations of Tanacetum vulgare L. growing in Bulgaria, where tr = trace (<0.05%), ND = not detected.
| No. a | Compound b | RI c | Molecular Formula | Class of Compound | % of Total d |
|---|---|---|---|---|---|
| 1 | α-Thujene | 932 | C10H16 | MH | tr |
| 2 | α-Pinene | 937 | C10H16 | MH | 0.52 |
| 3 | Camphene | 947 | C10H16 | MH | 1.84 |
| 4 | β-Pinene | 966 | C10H16 | MH | 0.25 |
| 5 | Yomogi alcohol (3,3,6-Trimethyl-1,4-heptadien-6-ol) |
990 | C10H18O | O | 0.14 |
| 6 | Mesitylene | 999 | C9H12 | O | 0.27 |
| 7 | β-Phellandrene | 1002 | C10H16 | MH | 0.11 |
| 8 | p-Cymene | 1008 | C10H14 | MH | 3.16 |
| 9 | Eucalyptol (1,8-cineole) | 1020 | C10H18O | MO | 5.99 |
| 10 | α-Terpinene | 1030 | C10H16 | MH | 0.24 |
| 11 | γ-Terpinene | 1049 | C10H18O | MO | 0.11 |
| 12 | Terpinolene | 1076 | C10H16 | MH | tr |
| 13 | cis-Verbenol | 1117 | C10H16O | MO | 10.85 |
| 14 | β-Thujone | 1118 | C10H16O | MO | 6.06 |
| 15 | Chrysantenone | 1120 | C10H14O | MO | 2.94 |
| 16 | p-Menth-2-en-1-ol | 1122 | C10H18O | MO | 0.28 |
| 17 | Camphor | 1128 | C10H16O | MO | 25.24 |
| 18 | Pinocarvone | 1159 | C10H14O | MO | 0.49 |
| 19 | α-Campholenal | 1135 | C10H16O | O | 5.98 |
| 20 | Terpinen-4-ol | 1156 | C10H18O | MO | 3.50 |
| 21 | p-Cymene-8-ol | 1180 | C10H14O | MO | 0.19 |
| 22 | Myrtenal | 1185 | C10H14O | MO | 0.21 |
| 23 | α-Terpineol | 1188 | C10H18O | MO | 0.51 |
| 24 | Myrtenol | 1190 | C10H16O | MO | 0.14 |
| 25 | Verbenone | 1203 | C10H14O | MO | tr |
| 26 |
trans-Chrysantenyl acetate |
1236 | C12H18O2 | MO | 18.35 |
| 27 | Carvone | 1245 | C10H14O | MO | 0.32 |
| 28 | Isopiperitenone (p-mentha-1,8-dien-3-one) |
1274 | C10H16O | MO | tr |
| 29 | Verbenyl acetate (bicyclo [3.1.1] hept-2-en-4ol) |
1282 | C12H18O2 | MO | 0.47 |
| 30 | Bornyl acetate | 1296 | C12H20O2 | MO | 3.38 |
| 31 | p-Cymen-7-ol | 1300 | C10H14O | MO | tr |
| 32 | Carvacrol | 1306 | C10H14O | MO | 0.52 |
| 33 | Aromandrene oxide | 1435 | C15H24O | SO | tr |
| 34 | Spathulenol | 1569 | C15H24O | SO | 0.36 |
| 35 | Caryophyllene oxide | 1571 | C15H24O | SO | 0.11 |
| 36 | Longiverbenone | 1627 | C15H22O | SO | 0.23 |
| 37 | β-Eudesmol | 1640 | C15H26O | SO | 0.47 |
| Terpene classes | |||||
| Monoterpene hydrocarbons (MH) | 6.12 | ||||
| Oxygenated monoterpenes (MO) | 79.55 | ||||
| Sesquiterpene hydrocarbons (SH) | ND | ||||
| Oxygenated sesquiterpenes (SO) | 1.17 | ||||
| Others (O) | 6.39 | ||||
| Total identified | 93.23 | ||||
a In order of elution on BR-5ms column. b Compounds identified based on RI and MS. c Calculated retention indices using the Kovats formula. d The results show the mean of triplicates for each of the three samples, the standard error of the mean not exceeding 2% of it and removed to simplify reporting.