Table 1.
Identified wax constituents in C. aurantium L. fruit peel extract, their retention times (min) and relative concentrations (a relative percentage of the area of peaks, %) in each peel sample (HN, JX, JY, and SC).
| Retention times (min) | Waxes | HN (%) | JX (%) | JY (%) | SC (%) |
|---|---|---|---|---|---|
| 10.283 | Dodecanoic acid | 0.06 ± 0.00 | 0.10 ± 0.01 | 0.12 ± 0.04 | 0.10 ± 0.01 |
| 12.285 | Methyl hexadecanoate | 0.13 ± 0.03 | 0.19 ± 0.02 | 0.25 ± 0.06 | 0.10 ± 0.04 |
| 12.399 | Pentadecanoic acid | 0.22 ± 0.08 | 0.40 ± 0.08 | 0.51 ± 0.15 | 0.15 ± 0.04 |
| 12.723 | Ethyl hexadecanoate | 0.01 ± 0.00 | 0.04 ± 0.02 | 0.31 ± 0.17 | 0.04 ± 0.03 |
| 12.884 | 9-Hexadecenoic acid | 0.15 ± 0.04 | 0.22 ± 0.01 | 0.36 ± 0.06 | 0.14 ± 0.01 |
| 13.384 | Methyl 10-trans,12-cis-octadecadienoate | 0.01 ± 0.00 | 0.03 ± 0.01 | 0.12 ± 0.05 | 0.02 ± 0.01 |
| 13.424 | Methyl linolenate | 0.01 ± 0.00 | 0.02 ± 0.01 | 0.09 ± 0.04 | 0.02 ± 0.00 |
| 13.654 | Heptadecanoic acid | 0.56 ± 0.02 | 0.77 ± 0.01 | 0.94 ± 0.12 | 0.32 ± 0.11 |
| 14.088 | Linoleic acid | 1.67 ± 0.09 | 2.27 ± 0.16 | 2.65 ± 0.04 | 1.67 ± 0.34 |
| 14.265 | Stearic acid | 1.21 ± 0.06 | 1.89 ± 0.17 | 2.05 ± 0.11 | 1.04 ± 0.29 |
| 14.554 | 11-Methyloctadec-12-enoic acid | 0.02 ± 0.00 | 0.01 ± 0.00 | 0.02 ± 0.01 | 0.00 ± 0.00 |
| 14.916 | Nonadecanoic acid | 0.03 ± 0.00 | 0.06 ± 0.02 | 0.07 ± 0.01 | 0.03 ± 0.01 |
| 15.481 | Oleamide | 0.19 ± 0.02 | 0.07 ± 0.05 | 0.21 ± 0.05 | 0.36 ± 0.05 |
| 15.682 | Eicosanoic acid | 0.24 ± 0.03 | 0.45 ± 0.10 | 0.45 ± 0.04 | 0.25 ± 0.08 |
| 16.606 | Heneicosanoic acid | 0.04 ± 0.00 | 0.08 ± 0.04 | 0.08 ± 0.01 | 0.04 ± 0.01 |
| 18.941 | Geranyl oleate | 0.04 ± 0.01 | 0.04 ± 0.01 | 0.09 ± 0.05 | 0.02 ± 0.01 |
| 19.366 | Butyl linoleate | 0.07 ± 0.01 | 0.07 ± 0.02 | 0.20 ± 0.08 | 0.09 ± 0.04 |
| 19.445 | Oleic anhydride | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.01 ± 0.00 | 0.01 ± 0.00 |
| 19.520 | 1-Linolenoylglycerol | 0.15 ± 0.04 | 0.01 ± 0.00 | 0.03 ± 0.01 | 0.05 ± 0.02 |
| 19.649 | 2-Methylheptacosane | 0.02 ± 0.00 | 0.05 ± 0.01 | 0.03 ± 0.00 | 0.07 ± 0.01 |
| 19.981 | Trans-13-docosenamide | 0.02 ± 0.00 | 0.01 ± 0.00 | 0.00 ± 0.00 | 0.01 ± 0.00 |
| 20.334 | Octacosane | 0.09 ± 0.03 | 0.15 ± 0.03 | 0.22 ± 0.05 | 0.07 ± 0.02 |
| 21.018 | Lignoceric acid | 0.29 ± 0.03 | 0.44 ± 0.09 | 0.62 ± 0.20 | 0.26 ± 0.08 |
| 21.860 | i-Propyl 24-methyl-pentacosanoate | 0.01 ± 0.00 | 0.01 ± 0.00 | 0.02 ± 0.01 | 0.02 ± 0.01 |
| 22.046 | Citronellyl linoleate | 0.02 ± 0.01 | 0.04 ± 0.01 | 0.09 ± 0.04 | 0.01 ± 0.00 |
| 22.071 | 17-Pentatriacontene | 0.00 ± 0.00 | 0.01 ± 0.00 | 0.02 ± 0.01 | 0.00 ± 0.00 |
| 22.867 | Geranyl linoleate | 0.01 ± 0.00 | 0.02 ± 0.01 | 0.05 ± 0.02 | 0.00 ± 0.00 |
| 22.907 | Geranyl palmitoleate | 0.00 ± 0.00 | 0.01 ± 0.00 | 0.07 ± 0.04 | 0.00 ± 0.00 |
| 23.094 | Geranyl linolenate | 0.00 ± 0.00 | 0.01 ± 0.00 | 0.04 ± 0.03 | 0.00 ± 0.00 |
| 24.393 | 2,3-Dihydroxypropyl Icosanoate | 0.03 ± 0.01 | 0.01 ± 0.00 | 0.06 ± 0.02 | 0.11 ± 0.04 |
| 25.974 | Ethyl 9,12-hexadecadienoate | 0.02 ± 0.00 | 0.02 ± 0.00 | 0.03 ± 0.01 | 0.01 ± 0.00 |
| 26.147 | 1-Heptacosanol | 0.06 ± 0.02 | 0.17 ± 0.02 | 0.21 ± 0.09 | 0.09 ± 0.05 |
| 28.942 | 3-Methylhentriacontane | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.01 ± 0.00 |