Table 1.
Chemical composition of essential oils isolated from sweet orange peel, cumin seeds, and allspice berries.
| Compound | RIa | Content (%) |
Identification | ||
|---|---|---|---|---|---|
| Citrus sinensis Sweet orange peel | Cuminum cyminum Cumin | Pimenta dioica Allspice | |||
| α-Thujene | 928 | 0.40 | 0.56 | 1.11 | MS, RI |
| α-Pinene | 932 | 1.52 | 1.13 | 0.31 | MS, RI, STD |
| β-Pinene | 968 | n.d. | 8.76 | 0.12 | MS, RI, STD |
| Sabinene | 973 | 1.10 | 0.99 | 0.32 | MS, RI |
| β-Myrcene | 992 | 4.73 | 1.35 | 3.77 | MS, RI |
| α-Phellandrene | 1007 | 0.72 | 0.45 | 0.86 | MS, RI |
| α-Terpinene | 1016 | n.d. | 0.47 | 0.80 | MS, RI, STD |
| o-Cymene | 1020 | 1.21 | 6.81 | 0.86 | MS, RI, STD |
| p-Cymene | 1025 | n.d. | 5.41 | 1.01 | MS, RI, STD |
| Limonene | 1029 | 82.57 | 1.24 | 1.53 | MS, RI, STD |
| Eucalyptol (1,8-Cineole) | 1037 | n.d. | 0.23 | 3.95 | MS, RI, STD |
| β-Ocimene | 1046 | 0.21 | 0.34 | 0.06 | MS, RI |
| γ-Terpinene | 1059 | 0.23 | 15.42 | 1.45 | MS, RI, STD |
| trans-Sabinene hydrate | 1085 | n.d. | 0.29 | 0.66 | MS, RI |
| Linalool | 1098 | 2.11 | 0.42 | 3.48 | MS, RI, STD |
| Nonanal | 1102 | 0.11 | n.d. | n.d. | MS, RI |
| p-Menth-2,8-dien-1-ol | 1125 | 0.20 | 0.14 | 1.33 | MS, RI |
| trans-Limonene oxide | 1137 | 0.01 | n.d. | n.d. | MS, RI |
| β-Terpineol | 1150 | 0.08 | 0.78 | 1.32 | MS, RI, STD |
| Borneol | 1158 | n.d. | n.d. | 1.04 | MS, RI |
| Citronellal | 1160 | 0.09 | n.d. | n.d. | MS, RI |
| Terpinen-4-ol | 1173 | 0.38 | 0.53 | 1.10 | MS, RI, STD |
| α-Terpineol | 1191 | 0.40 | 1.70 | 2.31 | MS, RI, STD |
| Decanal | 1207 | 0.70 | n.d. | n.d. | MS, RI |
| Nerol | 1233 | 0.10 | n.d. | n.d. | MS, RI |
| Cuminaldehyde | 1237 | n.d. | 30.85 | n.d. | MS, RI, STD |
| Neral | 1242 | 0.22 | n.d. | n.d. | MS, RI |
| Geraniol | 1263 | 0.07 | n.d. | n.d. | MS, RI |
| Phellandral | 1268 | n.d. | 0.39 | n.d. | MS, RI |
| Geranial | 1275 | 0.32 | n.d. | 0.13 | MS, RI |
| Perillaldehyde | 1280 | 0.05 | n.d. | n.d. | MS, RI |
| Cuminic alcohol | 1285 | n.d. | 8.49 | n.d. | MS, RI |
| 2-Caren-10-al | 1291 | n.d. | 8.81 | 0.40 | MS, RI |
| Perilla alcohol | 1298 | n.d. | 0.80 | n.d. | MS, RI |
| p-Mentha-1,4-dien-7-ol | 1323 | n.d. | 0.70 | n.d. | MS, RI |
| Eugenol | 1356 | n.d. | 0.41 | 63.60 | MS, RI, STD |
| α-Copaene | 1375 | 0.12 | n.d. | 0.97 | MS, RI |
| β-Cubebene | 1391 | 0.07 | n.d. | 0.58 | MS, RI |
| Dodecanal | 1413 | 0.18 | n.d. | n.d. | MS, RI |
| β-Caryophyllene | 1418 | n.d. | 0.87 | 2.49 | MS, RI, STD |
| α-Humulene | 1453 | n.d. | n.d. | 0.52 | MS, RI |
| α-Curcumene | 1479 | n.d. | 0.03 | n.d. | MS, RI, STD |
| Valencene | 1494 | 0.16 | n.d. | n.d. | MS, RI |
| α-Farnesene | 1505 | 0.03 | n.d. | n.d. | MS, RI |
| γ-Cadinene | 1516 | n.d. | n.d. | 0.29 | MS, RI, STD |
| β-Sinensal | 1698 | 0.11 | n.d. | n.d. | MS, RI |
| Total | 98.20 | 98.37 | 96.37 | ||
Major components are shown in bold.
STD: These chemical components were identified by authentic compound injection (Standard).
MS: Mass spectrum.
n.d.: not detected.
a
Retention index determined on HP-5 column.