Table 2.
No. | Compound | RI | Area percentage (%) | |||
---|---|---|---|---|---|---|
Min. | Max. | Av. | SD. | |||
1. | 4-Methyloctane* | ‹ 900 | 0.1 | 0.2 | 0.13 | 0.06 |
2. | Ethylbenzene | ‹ 900 | 0.3 | 0.4 | 0.33 | 0.06 |
3. | 1,4-Dimethylbenzene (p-Xylene) | ‹ 900 | 1.3 | 2.0 | 1.60 | 0.36 |
4. | Ethenylbenzene | ‹ 900 | 0.0 | 0.2 | 0.10 | 0.10 |
5. | 1,3-Dimethylbenzene (m-Xylene) | ‹ 900 | 0.2 | 0.5 | 0.33 | 0.15 |
6. | Methoxybenzenea (Anisol) | 920 | 0.3 | 0.5 | 0.37 | 0.11 |
7. | Benzaldehydea | 965 | 0.0 | 0.1 | 0.07 | 0.06 |
8. | 2,3-Dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one | 980 | 0.4 | 0.6 | 0.50 | 0.10 |
9. | 2-Ethylfuran | 982 | 0.7 | 2.3 | 1.57 | 0.70 |
10. | Benzyl alcohola | 1037 | 0.5 | 1.3 | 0.80 | 0.44 |
11. | Phenylacetaldehydea | 1048 | 0.0 | 0.1 | 0.07 | 0.06 |
12. | trans-Linalool oxide (furan type) | 1076 | 0.3 | 0.7 | 0.53 | 0.21 |
13. | 4,5-Dimethyl-2-formylfuran | 1078 | 0.2 | 0.9 | 0.47 | 0.38 |
14. | 1-(2-Furanyl)-2-hydroxyethanone | 1084 | 0.4 | 1.0 | 0.63 | 0.32 |
15. | cis-Linalool oxide (furan type) | 1091 | 0.0 | 0.1 | 0.06 | 0.05 |
16. | Nonanala | 1105 | 0.0 | 0.2 | 0.10 | 0.10 |
17. | 2-Phenylethanola | 1116 | 10.5 | 16.8 | 13.47 | 3.17 |
18. | Benzoic acida | 1162 | 0.5 | 1.1 | 0.73 | 0.32 |
19. | 4-Methylbenzyl alcohola | 1171 | 0.0 | 0.2 | 0.10 | 0.10 |
20. | 3,7-Dimethylocta-1,5-dien-3,7-diol | 1191 | 0.0 | 0.4 | 0.20 | 0.20 |
21. | 4-Vinylphenola | 1221 | 0.2 | 0.3 | 0.27 | 0.06 |
22. | 5-Hydroxymethylfurfurala | 1230 | 3.5 | 9.1 | 6.53 | 2.83 |
23. | Phenylacetic acida | 1269 | 0.8 | 2.1 | 1.33 | 0.68 |
24. | 1,4-di-tert-Butylbenzene | 1257 | 0.0 | 0.4 | 0.20 | 0.20 |
25. | Nonanoic acida | 1273 | 0.0 | 0.1 | 0.06 | 0.05 |
26. | Benzene-1,4-diol | 1278 | 0.0 | 0.4 | 0.20 | 0.20 |
27. | 1-Phenylethan-1,2-diol | 1304 | 0.2 | 0.7 | 0.50 | 0.26 |
28. | 4-Vinyl-2-methoxyphenol | 1314 | 0.0 | 0.6 | 0.37 | 0.32 |
29. | 1-Hydroxylinalool | 1365 | 0.0 | 1.8 | 1.03 | 0.93 |
30. | Butoxyethoxyethyl acetate | 1371 | 0.0 | 0.2 | 0.07 | 0.11 |
31. | 2-Phenylacetamide | 1393 | 3.2 | 7.4 | 5.50 | 2.13 |
32. | 4-Hydroxy-3-methoxybenzaldehydea (Vanilline) | 1397 | 0.0 | 0.2 | 0.10 | 0.10 |
33. | 4-Hydroxybenzyl alcohola | 1426 | 0.8 | 2.0 | 1.40 | 0.60 |
34. | 4-Methoxybenzaldehydea | 1445 | 0.2 | 0.4 | 0.30 | 0.10 |
35. | Dodecan-1-ola | 1479 | 0.0 | 1.3 | 0.53 | 0.68 |
36. | Pentadecanea | 1500 | 0.1 | 0.8 | 0.40 | 0.36 |
37. | 4-Methyl-2,6-bis(1,1-dimethylethyl)-phenol | 1514 | 2.9 | 4.2 | 3.60 | 0.66 |
38. | 4-Hydroxybenzoic acida | 1522 | 0.9 | 2.3 | 1.47 | 0.73 |
(p-Salicylic acid) | ||||||
39. | 4-Hydroxyphenylacetic acida | 1563 | 0.2 | 0.7 | 0.47 | 0.25 |
40. | 4-Hydroxy-3-methoxybenzoic acida (Vanillic acid) | 1566 | 0.2 | 0.6 | 0.43 | 0.21 |
41. | 4-Hydroxy-3,5-dimethoxy-benzaldehyde (Syringyl aldehyde) | 1661 | 0.0 | 1.7 | 0.73 | 0.87 |
42. | Tetradecan-1-ola | 1678 | 0.0 | 0.4 | 0.13 | 0.23 |
43. | Methyl 3,5-dimethoxy-4-hydroxybenzoatea (Methyl syringate) | 1774 | 5.8 | 8.2 | 7.40 | 1.39 |
44. | 3-(4-Hydroxyphenyl)-prop-2-enoic acid (4-Hydroxycinnamic acid) | 1789 | 0.0 | 0.6 | 0.20 | 0.35 |
45. | 4-Hydroxy-3,5,6-trimethyl-4-(3-oxo-1-butenyl)-cyclohex-2-en-1-one | 1790 | 1.4 | 7.5 | 3.17 | 3.77 |
46. | 3,5-Dimethoxy-4-hydroxybenzoic acid (Syringic acid) | 1817 | 0.0 | 0.6 | 0.23 | 0.32 |
47. | 3-(4-Hydroxy-3-methoxyphenyl)- prop-2-enoic acida (Ferulic acid) | 1867 | 0.6 | 1.2 | 0.83 | 0.32 |
48. | Diisobutyl phthalate | 1869 | 0.6 | 1.0 | 0.77 | 0.21 |
49. | Hexadecan-1-ola | 1882 | 2.5 | 8.2 | 5.23 | 2.86 |
50. | 2,5-Dimethoxy-4-ethylbenzaldehyde | 1890 | 0.0 | 0.4 | 0.13 | 0.23 |
51. | 3-Hydroxy-4-methoxycinnamic acid (Isoferulic acid) | 1869 | 0.0 | 0.6 | 0.27 | 0.31 |
52. | Hexadecanoic acida | 1963 | 1.4 | 1.9 | 1.70 | 0.26 |
53. | (Z)-Octedec-9-en-1-ola | 2060 | 5.2 | 16.8 | 11.87 | 5.99 |
54. | Octadecan-1-ola | 2084 | 1.4 | 2.6 | 2.00 | 0.60 |
55. | Heneicosanea | 2100 | 0.0 | 3.9 | 1.97 | 1.95 |
56. | (Z)-Octadec-9-enoic acida | 2147 | 0.0 | 2.5 | 1.50 | 1.33 |
57. | Tetracosanea | 2400 | 1.0 | 2.0 | 1.67 | 0.58 |
Total identified | 90.7-96.3% |
RI = retention indices on HP-5MS column; Min. = minimal percentage;Max. = maximal percentage; Av. = average percentage; SD. = standard deviation; a – identification confirmed with reference compound; * - tentatively identified; ** - correct isomer not identified.