Table 3.
Relative area of volatile compounds identified in the leaves and green bean extracts of seven cultivars of Arabica coffee cultivated in a greenhouse. N.D. means not detected.
| Group | No. | Chemical Name | Peak Area (%) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Leaf | Seed | |||||||||||||||
| Catuai | Caturra | Costarica | Geisha | Marsellesa | Obata | Venecia | Catuai | Caturra | Costarica | Geisha | Marsellesa | Obata | Venecia | |||
| Fatty acid | 1 | 2,6,10,14,18-Pentamethyl-2,6,10,14,18-eicosapentaene | 4.91 | 2.82 | 3.74 | 2.04 | 0.71 | 1.69 | 1.60 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |
| 2 | 9-Octadecenamide | 3.84 | 1.64 | 0.68 | 2.57 | 0.57 | 0.87 | 0.46 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 3 | Docosanoic acid | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | 0.53 | 0.62 | 0.75 | N.D. | 0.97 | 0.56 | 0.65 | |
| 4 | Dodecanoic acid | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | 0.57 | 0.57 | 0.89 | N.D. | 0.25 | 0.18 | N.D. | |
| 5 | Eicosanoic acid | 2.31 | 2.18 | 2.18 | 3.29 | 2.31 | 1.80 | 1.74 | 1.09 | 1.63 | 2.22 | 1.07 | 1.98 | 1.46 | 1.69 | |
| 6 | Heptadecanoic acid | 0.88 | 1.38 | 0.93 | N.D. | 0.78 | 0.67 | 0.65 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 7 | Methyl oleate | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | 0.60 | N.D. | N.D. | 0.49 | N.D. | 0.38 | 0.70 | |
| 8 | Nonadecanoic acid | 0.67 | N.D. | 0.56 | 0.58 | 0.39 | N.D. | 0.41 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 9 | Octadecanoic acid | 10.02 | 9.61 | 9.66 | 9.64 | 9.94 | 7.76 | 7.61 | 2.66 | 4.64 | 5.66 | 3.87 | 4.63 | 4.13 | 3.75 | |
| 10 | Oleic acid | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | 3.32 | 2.20 | 0.51 | 6.46 | 5.48 | 2.13 | 0.66 | |
| 11 | Pentadecanoic acid | 18.30 | 19.34 | 17.52 | 19.30 | 21.84 | 17.92 | 14.43 | 12.08 | 30.90 | 18.12 | 14.97 | 20.47 | 16.78 | 15.51 | |
| 12 | Tetradecanoic acid | 0.72 | 0.42 | 0.62 | 0.51 | 0.53 | 0.49 | 0.43 | N.D. | N.D. | N.D. | N.D. | 0.27 | 0.18 | 0.39 | |
| Fatty acid ester | 13 | Linoleic acid methyl ester | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | 10.87 | 1.09 | 1.25 | 10.83 | 13.74 | 14.65 | 2.90 |
| 14 | Linoleic acid ethyl ester | N.D. | 0.50 | N.D. | 1.03 | N.D. | 0.68 | 0.52 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 15 | 2-Linoleoylglycerol | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | 1.33 | 1.23 | 1.32 | N.D. | 2.18 | 2.44 | N.D. | |
| 16 | Linolenelaidic acid methyl ester | 0.48 | 0.33 | N.D. | 0.43 | 0.35 | 0.36 | 17.74 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 17 | 2-Palmitoylglycerol | 1.40 | 1.02 | 1.00 | 1.00 | 0.96 | 0.85 | 0.76 | 0.97 | 0.96 | 0.88 | 1.24 | 2.03 | 1.90 | 3.03 | |
| 18 | Palmitic acid methyl ester | 0.48 | 0.32 | 0.29 | N.D. | 0.39 | 0.33 | 0.35 | 2.60 | 1.00 | 1.20 | 2.31 | 1.58 | 1.60 | 2.57 | |
| 19 | Hexanedioic acid, bis(2-ethylhexyl) ester | 0.89 | 0.39 | N.D. | N.D. | N.D. | N.D. | N.D. | 3.20 | 2.50 | 2.70 | 1.75 | 1.58 | 1.17 | 1.52 | |
| 20 | 2-Stearoylglycerol | 3.30 | 0.96 | N.D. | 1.63 | N.D. | 0.91 | 0.52 | N.D. | 3.71 | N.D. | N.D. | N.D. | N.D. | N.D. | |
| Fatty alchol | 21 | 1-Eicosanol | N.D. | 0.35 | 0.30 | N.D. | 0.33 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |
| 22 | Linolenyl alcohol | N.D. | 0.35 | 0.30 | N.D. | 0.33 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 23 | Phytol | 2.67 | 2.17 | 2.18 | 1.74 | 2.31 | 2.31 | 2.01 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| Sterol | 24 | Ergost-5-en-3-ol, (3.beta.,24R)- | 2.44 | 1.65 | 2.11 | 1.96 | 1.70 | 2.10 | 1.68 | 2.17 | 2.34 | 2.43 | 2.09 | 2.13 | 1.46 | 1.83 |
| 25 | Fucosterol | N.D. | 0.50 | 0.47 | N.D. | 0.39 | 0.41 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 26 | Stigmasterol | 1.74 | 1.08 | 1.24 | 1.10 | 1.21 | 1.31 | 1.14 | 3.38 | 2.54 | 2.79 | 3.34 | 3.26 | 2.54 | 3.07 | |
| 27 | Stigmast-5-en-3-ol | 7.02 | 7.45 | 7.74 | 6.34 | 6.75 | 6.33 | 5.71 | 5.25 | 6.49 | 7.02 | 5.71 | 4.31 | 3.90 | 5.56 | |
| Phenol | 28 | 2-Methoxy-4-vinylphenol | 1.01 | N.D. | 1.01 | 0.43 | 0.77 | 0.51 | 0.42 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |
| 29 | Acetoveratrone | N.D. | 0.46 | 0.35 | N.D. | N.D. | 0.35 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 30 | .alpha.-Tocopherol-.beta.-D-mannoside | 2.99 | 2.37 | 3.10 | 2.17 | 1.99 | 1.90 | 2.74 | 0.50 | N.D. | N.D. | 0.53 | 0.40 | 0.47 | 0.60 | |
| 31 | .beta.-Tocopherol | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | 1.45 | 1.59 | 1.84 | 1.45 | 1.46 | 1.17 | 1.83 | |
| 32 | .gamma.-Tocopherol | N.D. | N.D. | 1.01 | 0.49 | N.D. | N.D. | 0.41 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| 33 | Quinic acid | N.D. | N.D. | N.D. | 7.87 | N.D. | 4.55 | 1.09 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| Triterpenoid | 34 | 24-Methylenecycloartanol | 0.48 | 0.46 | 0.54 | N.D. | 0.43 | 0.47 | 0.43 | 1.03 | 1.51 | 1.78 | 1.02 | 0.51 | 0.80 | 0.66 |
| 35 | Cycloartenol | 1.45 | 1.08 | 1.86 | 0.54 | 0.78 | 1.11 | 0.95 | N.D. | 0.91 | 1.10 | N.D. | N.D. | N.D. | N.D. | |
| Benzofuran | 36 | Coumaran | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | 5.32 | N.D. | N.D. | 6.00 | 0.87 | 11.83 | 16.95 |
| 37 | Loliolide | 0.52 | 0.64 | 0.74 | 0.59 | 0.78 | 0.75 | 0.57 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | |
| Carboxylic acid | 38 | Benzenepropanoic acid, beta.-amino-4-methoxy- | N.D. | 1.56 | N.D. | 1.18 | N.D. | 0.89 | N.D. | 5.62 | 4.09 | 5.02 | 3.96 | 3.06 | 2.49 | 3.23 |
| Benzenediol | 39 | Pyrocatechol | N.D. | N.D. | N.D. | 1.32 | 1.49 | 1.00 | 1.03 | N.D. | N.D. | N.D. | N.D. | 0.96 | 0.94 | 1.28 |
| Diterpene | 40 | Neophytadiene | 2.38 | 2.03 | 2.11 | 2.16 | 1.88 | 2.46 | 2.01 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |
| Alchol | 41 | Solanesol | 0.48 | N.D. | 1.74 | N.D. | N.D. | N.D. | 0.87 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |
| Aldehyde | 42 | 5-Hydroxymethylfurfural | N.D. | N.D. | N.D. | 0.69 | 1.63 | 1.27 | 0.71 | 1.45 | 7.81 | 12.01 | N.D. | N.D. | N.D. | N.D. |
| Alkaloid | 43 | Caffeine | 27.40 | 36.96 | 35.10 | 28.45 | 36.90 | 36.75 | 30.24 | 33.16 | 21.67 | 30.51 | 32.89 | 27.88 | 26.86 | 31.61 |
| Pyranone | 44 | 4H-Pyran-4-one | 1.24 | N.D. | 0.93 | 0.97 | 1.53 | 1.18 | 0.76 | 0.85 | N.D. | N.D. | N.D. | N.D. | N.D. | N.D. |