Research Article
Characterization of the Volatile Components of Essential Oils of Selected Plants in Kenya
Table 1
Composition of chemical classes identified from different essential oils.
| S/no. | Chemical class | Percent composition | Average | Tick berry | Mexican marigold | Ginger | Garlic |
| 1 | Terpenes | 37.26 | 20.94 | 42.18 | 39.57 | 34.99 | 2 | Ester | 5.02 | 14.01 | 5.8 | 4.58 | 7.35 | 3 | Ketones | 2.07 | 8.93 | 8.99 | 4.61 | 6.15 | 4 | Organosulfur | 5.19 | 1.79 | 0.04 | 15.01 | 5.51 | 5 | Alkanes | 7.55 | 0.87 | 7.42 | 3.20 | 4.76 | 6 | Cycloalkane | 7.31 | 5.82 | 4.99 | 0.12 | 4.56 | 7 | Steroid | 7.08 | 2.01 | 2.26 | 4.82 | 4.04 | 8 | Aromatic hydrocarbon | 0.73 | 4.16 | 4.37 | 6.36 | 3.91 | 9 | Alkanols | 5.12 | 4.73 | 2.51 | 0.62 | 3.25 | 10 | Cycloalkanol | 4.04 | 1.55 | 4.13 | | 2.43 | 11 | Alkenols | 5.73 | 0.54 | 2.73 | 0.59 | 2.40 | 12 | Carbonates | | 2.12 | 1.61 | 3.71 | 1.86 | 13 | Fatty acids | | | 3.67 | 3.61 | 1.82 | 14 | Carbaldehyde | 0.59 | 2.41 | 0.28 | 3.85 | 1.78 | 15 | Aldehydes | 4.67 | 0.67 | 1.3 | | 1.66 | 16 | Alkenes | 0.12 | 5.32 | 0.48 | | 1.48 | 17 | Ethers | 0.07 | 2.56 | | 2.53 | 1.29 | 18 | Organic acid | 0.98 | 3.52 | 0.24 | 0.26 | 1.25 | 19 | Carboxylic acid | | 2.81 | 1.12 | 0.32 | 1.06 | 20 | Alkaloids | 0.09 | 3.50 | | 0.06 | 0.91 | 21 | Heterocyclic hydrocarbon | 0.03 | 0.43 | | 2.49 | 0.74 | 22 | Hydroquinones | | 2.95 | | | 0.74 | 23 | Cyclic carboxylic ester (lactone) | | 2.25 | | | 0.56 | 24 | Nitrile | | 0.15 | | 1.81 | 0.49 | 25 | Furans | 1.28 | 0.09 | 0.47 | | 0.46 | 26 | Benzyl carbazate | 1.67 | 0.09 | | | 0.44 | 27 | Dione | 1.71 | 0.02 | | | 0.43 | 28 | Amide | 0.93 | | 0.5 | 0.16 | 0.40 | 29 | Cycloketone (cyclohexanone) | | | 1.14 | | 0.29 | 30 | Antihistamine | | 1.12 | | | 0.28 | 31 | Thiozole | | | 1.05 | | 0.26 | 32 | Polyphenol | | | 1.04 | | 0.26 | 33 | Hydroxysteroid | | | | 0.78 | 0.20 | 34 | Phthalate | 0.11 | 0.06 | 0.51 | 0.04 | 0.18 | 35 | Silane | | 0.6 | | 0.07 | 0.17 | 36 | Aromatic hydrocarbon (toluene) | | 0.64 | | | 0.16 | 37 | Amine | 0.03 | 0.39 | | 0.08 | 0.13 | 38 | Chloroalkyne | | 0.45 | | | 0.11 | 39 | Cycloalkenol | | | 0.07 | 0.26 | 0.08 | 40 | Thiophene | 0.33 | | | | 0.08 | 41 | Aromatic amine (aniline) | | | 0.29 | | 0.07 | 42 | Phenanthrenol | | 0.24 | | | 0.06 | 43 | Allethrin | | | 0.21 | | 0.05 | 44 | Phenol | 0.17 | | | | 0.04 | 45 | Corticosteroid | | 0.15 | | | 0.04 | 46 | Polycylic aromatic hydrocarbon | | | | 0.12 | 0.03 | 47 | Dye | | 0.07 | | | 0.02 | 48 | Bithiophene | | 0.07 | | | 0.02 | 49 | Pyrrolidinophenone | | | 0.04 | | 0.01 | 50 | Morpholine | | | 0.04 | | 0.01 | | Total compounds found | 28 (53.8%) | 37 (71.2%) | 29 (55.8%) | 28 (53.8%) | |
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