Table 1. Kovats retention index and amount (± SEM) of identified EAD-active compounds in zebra skin odor (n = 3).
| Compound name | Retention time (tR) | Kovats retention index (I) | Amount (ng/μl) |
|---|---|---|---|
| Heptanal | 9.22 ± 0.04 | 907 | 35.53 ± 1.89 |
| 6-methyl-5-hepten-2-one | 11.03 ± 0.00 | 993 | 48.01 ± 0.77 |
| Octanal | 11.34 ± 0.02 | 1009 | 152.18 ± 34.92 |
| Acetophenone | 12.54 ± 0.04 | 1076 | 80.11 ± 12.87 |
| Nonanal | 13.18 ± 0.01 | 1114 | 837.65 ± 158.36 |
| Decanal | 14.76 ± 0.01 | 1214 | 277.58 ± 78.93 |
| Geranylacetone | 18.19 ± 0.03 | 1465 | 65.38 ± 7.93 |
Samples were analyzed on a HP-5 Agilent fused silica capillary column. n, total number of replicates. Amounts were calculated from calibration equations generated from five known concentrations of commercial standards, within their range of occurrence in the zebra skin odor extract.