Table 7.
Chemical composition of Sargassum ilicifolium.
| No | Name | Retention time | Area, % | Molecular formula |
|---|---|---|---|---|
| Phenol | ||||
| 1 | Phenol, 3,5-bis(1,1-dimethylethyl)- | 15.982 | 6.54 | C14H22O |
| Ketone | ||||
| 2 | 2-Pentadecanone, 6,10,14-trimethyl- | 19.696 | 0.85 | C18H36O |
| Aldehyde | ||||
| 3 | E-14-Hexadecenal | 16.903 | 1.65 | C16H30O |
| 4 | Octadecanal | 17.937 | 0.43 | C18H36O |
| Alcohol | ||||
| 5 | 3,7,11,15-Tetramethyl-2-hexadecen-1-ol | 20.067 | 6.24 | C20H40O |
| 6 | 1-Dodecanol, 3,7,11-trimethyl- | 22.337 | 2.84 | C15H32O |
| Hydrocarbons | ||||
| 7 | 1-Tetradecene | 14.385 | 0.52 | C14H28 |
| 8 | 1-Octadecene | 19.161 | 0.83 | C18H36 |
| 9 | 1-Nonadecene | 21.206 | 0.30 | C19H38 |
| Fatty acids | ||||
| 10 | n-Hexadecanoic acid | 20.963 | 1.20 | C16H32O2 |
| Sterols | ||||
| 11 | Stigmasta-5,22-dien-3-ol, acetate, (3β)- | 30.024 | 0.83 | C31H50O2 |
| 12 | Cholest-4-en-3-one | 31.086 | 0.87 | C27H44O |
| 13 | Stigmasta-4,24(28)-dien-3-one, (24E)- | 32.357 | 1.52 | C29H46O |
| Fatty acid methyl/ethyl esters | ||||
| 14 | Tridecanoic acid, 12-methyl-, methyl ester | 18.427 | 0.53 | C15H30O2 |
| 15 | Hexadecanoic acid, methyl ester | 20.546 | 5.28 | C17H34O2 |
| 16 | 9,12-Octadecadienoic acid, methyl ester | 22.181 | 0.76 | C19H34O2 |
| 17 | 9-Octadecenoic acid, methyl ester, (E)- | 22.240 | 3.70 | C19H36O2 |
| 18 | 11-Octadecenoic acid, methyl ester, (Z)- | 22.290 | 0.77 | C19H36O2 |
| 19 | Octadecanoic acid, methyl ester | 22.473 | 0.54 | C19H38O2 |
| 20 | Hexadecanoic acid, 2,3-dihydroxypropyl ester | 25.319 | 0.66 | C19H38O4 |
| Others | ||||
| 21 | Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, methyl ester | 20.645 | 7.03 | C18H28O3 |
| 22 | Hexadecanoic acid, 2-hydroxy-1- (hydroxymethyl)ethyl ester | 23 .601 | 1.17 | C19H38O4 |
| 23 | 1,2-Benzenedicarboxylic acid, mono(2-ethylhexyl) ester | 25.946 | 7.69 | C16H22O4 |
| 24 | Squalene | 27.992 | 0.74 | C30H50 |