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. 2009 Jul 27;14(8):2717–2728. doi: 10.3390/molecules14082717

Table 2.

A. fruticosa honey VOCs isolated by USE.

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.