Table 2.
Headspace constituents and their content of the different R. rugosa germplasms (μg·g-1).
| Constituent | RIa | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 | R11 | R12 | R13 | R14 | R15 | R16 | R17 | R18 | R19 | R20 | R21 | R22 | R23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ethanol | 485 | 0.67 | 1.71 | 1.82 | 15.74 | 19.57 | 37.55 | 45.25 | 0.77 | 2.78 | 2.85 | 27.91 | 46.32 | 83.87 | 82.72 | 2.71 | 5.64 | 55.18 | 85.30 | 4.89 | 61.72 | 2.17 | 5.25 | 4.87 |
| 3-Methylpentane | 583 | 0.32 | 0.49 | 0.45 | 0.65 | 0.38 | 0.47 | 0.42 | 0.13 | 0.27 | 0.48 | 0.39 | 0.14 | - | 0.32 | - | - | - | - | - | 0.29 | - | - | 1.77 |
| n-Hexane | 600 | 10.18 | 15.59 | 13.70 | 18.23 | 11.74 | 14.41 | 10.25 | 5.93 | 7.71 | 14.08 | 11.30 | 8.63 | 13.68 | 11.70 | 1.46 | 3.03 | 2.09 | 4.86 | 4.72 | 11.31 | 1.89 | 3.07 | 5.03 |
| 3-Methylcyclopentene | 615 | - | 0.22 | - | - | 0.14 | 0.17 | - | - | - | - | - | - | - | - | - | - | 0.25 | - | - | - | - | - | - |
| Methylcyclopentane | 634 | 0.50 | 0.79 | 0.71 | - | 0.58 | 0.72 | 0.55 | 0.31 | 0.35 | 0.69 | 0.55 | 0.42 | - | 0.51 | 0.28 | 0.71 | - | - | 0.30 | 0.55 | - | - | - |
| Isopentyl alcohol | 736 | - | - | 0.08 | 0.43 | 0.09 | 0.28 | 0.20 | - | - | - | - | - | 0.55 | - | - | - | 0.55 | - | - | - | - | - | 0.67 |
| cis-3-Hexen-1-ol | 844 | - | - | - | 0.09 | - | 0.13 | - | - | - | - | - | - | - | - | - | - | - | - | - | 2.02 | - | - | 1.93 |
| n-Hexanol | 858 | - | - | 0.21 | 0.32 | 0.24 | 0.30 | 0.38 | - | - | 0.42 | 0.29 | 0.61 | 0.83 | - | - | 0.54 | 1.10 | - | 0.61 | - | - | 0.54 | |
| 2-Heptanone | 872 | 0.08 | 0.40 | 0.12 | 0.25 | 0.15 | 0.19 | 0.12 | - | 0.11 | - | - | - | - | - | 0.21 | 0.31 | 0.62 | 1.47 | 0.38 | - | 0.29 | - | - |
| 5-Methyl-2-hexanol | 892 | 0.12 | - | 0.14 | 0.21 | 0.12 | 0.29 | 0.27 | - | - | - | - | 0.33 | 0.67 | - | 0.30 | 0.75 | 0.97 | 2.43 | - | - | - | - | - |
| α-Pinene | 926 | 0.32 | 0.44 | 0.49 | 0.35 | 0.40 | 0.19 | - | 0.75 | 1.54 | - | - | - | 2.58 | 2.12 | - | - | 1.97 | 1.48 | 2.21 | - | - | - | |
| β-Pinene | 985 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0.50 | - | - | - | - | 1.15 | - | - |
| β-Myrcene | 990 | - | 0.29 | 0.31 | 0.90 | 0.44 | 0.35 | - | 0.13 | 0.18 | - | - | - | - | 0.64 | 0.59 | - | 1.66 | 0.66 | 1.00 | - | - | 0.98 | 0.86 |
| 4-Hexen-1-ol, acetate | 992 | - | 0.25 | - | 0.14 | - | - | - | 0.17 | - | - | 0.39 | - | - | - | 0.48 | - | - | - | - | 2.02 | 0.81 | - | 3.23 |
| n-Hexyl acetate | 997 | 0.04 | 0.52 | 0.20 | 0.31 | - | - | - | 0.36 | 0.17 | 0.42 | 0.58 | 0.25 | 0.53 | 0.58 | 0.19 | - | 0.80 | 1.03 | - | - | - | - | 1.40 |
| benzyl alcohol | 1002 | - | 1.28 | - | 1.37 | - | - | - | - | - | - | - | - | - | - | - | 0.68 | 1.22 | 1.15 | - | - | - | - | - |
| D-Limonene | 1013 | - | 0.19 | 0.15 | 0.50 | 0.31 | 0.28 | - | - | - | - | - | - | - | 0.44 | - | 1.41 | 0.62 | - | - | - | - | - | - |
| 3-Carene | 1017 | - | - | 0.08 | 0.14 | 0.06 | - | - | - | - | 0.15 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Ocimene | 1035 | - | - | - | 0.90 | - | - | - | - | - | - | - | - | - | - | - | - | 1.26 | - | - | - | - | - | - |
| trans-β-Ocimene | 1043 | - | 0.21 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0.52 | - | - | - | - | - | - |
| 2-Ethylidene-6-methyl-3,5-heptadienal | 1066 | - | - | 0.32 | 0.23 | 0.12 | 0.16 | 0.48 | 0.29 | - | 0.45 | - | 1.40 | 1.56 | 1.89 | - | - | - | 0.94 | 1.47 | - | - | - | - |
| 2-Phenylethanol | 1080 | 2.22 | 0.31 | 8.92 | 21.7 | 25.51 | 37.33 | 32.26 | 5.27 | 4.28 | 11.30 | 13.89 | 10.03 | 39.09 | 31.02 | 9.91 | 73.11 | 61.41 | 84.66 | 31.53 | 28.45 | 7.10 | 20.21 | 65.85 |
| trans-Rose oxide | 1111 | - | - | 0.19 | - | - | - | 0.08 | 0.52 | - | 3.94 | - | 1.50 | 5.19 | 0.24 | - | - | - | 1.11 | - | - | - | - | - |
| β-Citronellal | 1134 | - | 0.05 | - | - | 0.08 | 0.12 | 0.55 | - | - | - | - | 0.07 | - | 0.52 | - | - | 0.92 | 0.37 | 0.35 | - | - | - | - |
| β-Citronellol | 1229 | 2.33 | 16.43 | 20.01 | 18.4 | 24.62 | 26.76 | 19.89 | 5.36 | 8.20 | 21.47 | 6.72 | 34.27 | 31.56 | 52.50 | 11.14 | 30.10 | 67.56 | 67.93 | 70.98 | 6.85 | 10.68 | 18.20 | 21.55 |
| β-Phenethyl acetate | 1233 | 0.33 | - | 0.80 | - | - | - | 0.37 | 1.90 | 0.65 | 1.07 | 1.82 | - | 1.61 | - | - | - | - | - | 1.15 | 0.35 | - | 1.28 | 4.92 |
| α-Citral | 1237 | - | 0.21 | - | 0.42 | - | 0.59 | 0.41 | - | - | - | - | - | - | 0.59 | 0.26 | 0.52 | 1.73 | 0.94 | - | - | - | - | - |
| cis-Geraniol | 1258 | 0.04 | 2.24 | 0.68 | 4.77 | 3.79 | 4.34 | - | 0.31 | 0.38 | 0.22 | - | 2.73 | 0.75 | 8.35 | 5.17 | 8.12 | 17.53 | 9.44 | 3.95 | - | 0.64 | - | 1.88 |
| 2-Undecanone | 1279 | - | - | - | 0.16 | - | - | - | - | - | - | - | - | - | - | - | - | 0.17 | - | - | - | - | - | - |
| Citronellol acetate | 1335 | 0.71 | 3.15 | 4.80 | 2.32 | 3.66 | 1.82 | 1.39 | 0.92 | 6.01 | 4.79 | 0.46 | 5.30 | 3.23 | 1.43 | 0.54 | - | 12.22 | 8.29 | 30.85 | 5.96 | 12.52 | 18.88 | 13.69 |
| Nerol acetate | 1345 | - | 0.35 | 0.63 | 0.54 | 0.23 | - | - | 0.45 | 0.46 | - | - | - | - | - | - | - | 4.21 | - | 2.39 | - | 3.69 | - | - |
| Aromadendrene | 1458 | - | 0.37 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| α-Farnesene | 1518 | - | - | 0.64 | 0.10 | - | 0.28 | 0.66 | - | - | 0.87 | - | 0.75 | - | - | - | - | - | 0.94 | - | - | - | - | - |
a The Kovat's retention indices on apolar column Rtx-1; - Not detected.