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Table 6
Comparison of fatty acid profiles of Cannabis sativa L. seed oil biodiesel and other biodiesels produced with different feedstocks.
| Fatty acid |
Structure | Formula | Molecular mass kg/kmol | Current study (%) | Kusum [68] | Cannabis sativa L. [84] | Styrax officinalis L. [76] | Sunflower [85] | Pearl millet [86] | |
|---|---|---|---|---|---|---|---|---|---|---|
| Common name | Systematic name | |||||||||
| Myristic | Tetradecanoic | 14:0 | C14H28O2 | 228 | 0.04 | – | – | 0.03 | – | – |
| Pentadecanoic | Pentadecanoic | 15:0 | C15H30O2 | 242 | 0.02 | – | – | – | – | – |
| Palmitic | Hexadecanoic | 16:0 | C16H32O2 | 256 | 7.01 | 9.89 | 6.52 | 8.08 | 7.29 | 21.90 |
| Palmitoleic | Hexadec-9-enoic | 16:1 | C16H30O2 | 254 | 0.12 | – | 0.07 | 0.01 | – | 0.10 |
| Margaric | Heptadecanoic | 17:0 | C17H34O2 | 270 | 0.07 | – | – | 0.10 | – | – |
| Margaroleic | Cis-9-Heptadecenoic | 17:1 | C17H32O2 | 268 | 0.04 | – | – | 0.14 | – | – |
| Stearic | Octadecanoic | 18:0 | C18H36O2 | 284 | 3.22 | 3.63 | 2.81 | 3.00 | 13.55 | 3.40 |
| Oleic | Cis-9-Octadecanoic | 18:1 | C18H34O2 | 282 | 15.65 | 44.2 | 15.25 | 23.22 | 18.79 | – |
| Elaidic | Octadec-9-enoic | 18:1 | C18H34O2 | 282 | 0.77 | – | 0.75 | – | – | – |
| Linoleic | Cis-9-cis-12 Octadecanoic | 18:2 | C18H32O2 | 280 | 54.27 | 1.8 | 55.44 | 64.41 | 58.98 | 73.90 |
| Linolelaidic | Octadeca-9,12-dienoic | 18:2 | C18H32O2 | 280 | 0.15 | – | 0.34 | – | – | – |
| Gamma-Linolenic | Cis-6,9,12 Octadecatrienoic | 18:3 | C18H30O2 | 278 | 0.37 | – | – | – | – | – |
| Alpha-Linolenic | Cis-9-cis-12 Octadecatrienoic | 18:3 | C18H30O2 | 278 | 16.51 | – | 17.91 | 0.10 | 0.12 | – |
| Stearidonic | Octadeca-6,9,12,15-tetraenoic | 18:4 | C18H28O2 | 276 | 0.17 | – | – | – | – | – |
| Arachidic | Eicosanoic | 20:0 | C20H40O2 | 312 | 0.73 | 15.27 | 0.36 | 0.07 | 0.33 | 0.30 |
| Gondoic | Cis-11-Eicosenoic | 20:1 | C20H38O2 | 310 | 0.41 | 18.19 | 0.15 | 0.12 | – | 0.30 |
| Behenic | Docosanoic | 22:0 | C22H44O2 | 341 | 0.35 | 3.82 | 0.23 | 0.47 | 0.93 | – |
| Erucic | Cis-13-Docosenoic | 22:1 | C22H42O2 | 338 | 0.02 | – | 0.07 | 0.25 | – | – |
| Lignoceric | Tetracosanoic | 24:0 | C24H48O2 | 368 | 0.12 | – | 0.09 | – | – | 0.10 |
| Other | – | – | – | – | – | 3.2 | – | – | – | – |
| Saturated fatty acids | 11.44 | 32.61 | 10.01 | 11.75 | 22.10 | 25.70 | ||||
| Monounsaturated fatty acids | 17.13 | – | 16.30 | 23.74 | 18.79 | 0.40 | ||||
| Polyunsaturated fatty acids | 71.47 | – | 73.69 | 64.51 | 59.10 | 73.90 | ||||
| Unsaturated fatty acids | 88.60 | 64.19 | 89.99 | 88.25 | 77.89 | 74.30 | ||||
| Total fatty acids | 100.00 | 100.00 | 100.00 | 100.00 | 99.99 | 100.00 | ||||
| DU | 160.07 | – | 163.68 | 152.86 | 136.99 | 148.20 | ||||
| LCSF | 3.81 | – | 2.942 | 7.67 | – | – | ||||
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