Table 2.
Bioactive components of ethyl acetate extracts of Callistemon citrinus.
| Name of compounds | RI | Peak area (%) | MF | MW | Compound nature |
|---|---|---|---|---|---|
| 4-Carene | 919 | 0.35 | C10H16 | 136 | Monoterpene |
| 3,7-Octadien-2-ol, 2,6-dimethyl | 1041 | 0.31 | C10H18O | 154 | Oxygenated monoterpenoid |
| Eucalyptol | 1059 | 4.55 | C10H18O | 154 | Oxygenated monoterpenoid |
| 2-Nonenal | 1112 | 1.53 | C9H16O | 140 | Unsaturated aldehyde |
| Trans-pinocarveol | 1131 | 0.69 | C10H16O | 152 | Oxygenated monoterpenoid |
| α-Terpineol | 1143 | 1.56 | C10H18O | 154 | Oxygenated monoterpenoid |
| Myrtanal | 1126 | 0.51 | C10H16O | 152 | Oxygenated monoterpenoid |
| Isopulegone, 4-methyl | 1252 | 0.38 | C10H18O | 166 | Oxygenated monoterpenoid |
| Aromadendrene | 1386 | 0.46 | C15H24 | 204 | Sesquiterpene |
| Patchulane | 1393 | 0.29 | C15H26 | 206 | Sesquiterpene |
| Viridiflorol | 1530 | 1.17 | C15H26O | 222 | Sesquiterpene |
| Methyl-2-hydroxytetradecanoate | 1842 | 7.18 | C15H30O3 | 258 | Hydroxyl ester |
| Methyl hexadecanoate | 1878 | 3.76 | C17H34O2 | 270 | Ester |
| Palmitic acid | 1968 | 13.57 | C16H32O2 | 256 | Fatty acid |
| 9-Octadecenal | 2007 | 1.70 | C18H34O | 266 | Unsaturated aldehyde |
| Stearic acid, methyl ester | 2077 | 2.03 | C19H38O2 | 298 | Ester |
| Trans vaccenic acid, methyl ester | 2085 | 5.67 | C19H36O2 | 296 | Ester |
| Methyl linolelaidate | 2093 | 2.84 | C19H34O2 | 294 | Ester |
| Stearic acid | 2167 | 10.43 | C18H36O2 | 284 | Fatty acid |
| Oleic acid | 2175 | 28.23 | C18H34O2 | 282 | Fatty acid |
| Sterolic acid | 2184 | 10.25 | C18H32O2 | 280 | Fatty acid |
| Squalene | 2914 | 2.52 | C30H50 | 410 | Triterpene |
RI = retention index, MW = molecular weight, MF = molecular formula.