Table 2.
Chemical composition (percentage mean value ± standard deviation) of exocarp and mesocarp extracts.
| No. | Component 1 | LRI 2 | LRI 3 | EEX 4 (%) | MEX 5 (%) |
|---|---|---|---|---|---|
| 1 | 2,3-butanediol | 785 | 789 | - | 23.7 ± 0.02 |
| 2 | furfural | 796 | 794 | 1.8 ± 0.01 | 3.9 ± 0.03 |
| 3 | 2(3H)-furanone, 5-methyl- | 832 | 830 | 0.9 ± 0.02 | - |
| 4 | 2-furanmethanol | 860 | 856 | 3.9 ± 0.02 | 6.7 ± 0.04 |
| 5 | furfural, 5-methyl- | 970 | 965 | - | 1.9 ± 0.03 |
| 6 | furaneol | 1052 | 1055 | 3.1 ± 0.02 | 3.6 ± 0.01 |
| 7 | 2-pyrone | 1130 | 1134 | 23.4 ± 0.02 | 33.1 ± 0.01 |
| 8 | 5-HMF | 1210 | 1208 | 14.7 ± 0.02 | 24.8 ± 0.02 |
| 9 | (E)-β-farnesene | 1461 | * | 1.0 ± 0.02 | - |
| 10 | (Z,E)-α-farnesene | 1480 | 1475 | 0.6 ± 0.02 | - |
| 11 | coumarin, 5,7-dimethoxy | 1920 | 1916 | 50.6 ± 0.02 | 0.7 ± 0.02 |
| 12 | hexadecanoic acid | 1960 | 1954 | - | 1.6 ± 0.02 |
| SUM | 100.0 | 100.0 |
1 The components are reported according to their elution order on apolar column; 2, Linear Retention Indices measured on apolar column; 3, Linear Retention Indices from literature; *, LRI not available; EEX 4, percentage mean values of exocarp components extract (%); MEX 5, percentage mean values of components mesocarp; -, not detected; tr, traces (mean value < 0.1%).