Table 1.
Fatty acid methyl ester composition in biodiesels from Sesamum indicum L. and Raphanus sativus L. [16].
| Fatty acids (%) | Description | S. indicum L. | R. sativus L. |
|---|---|---|---|
| Palmitic | C 16 : 0 | 8.54 ± 0.03 | 6.38 ± 0.66 |
| Palmitoleic | C 16 : 1 | 0.00 ± 0.00A | 0.33 ± 0.01A |
| Stearic | C 18 : 0 | 6.83 ± 0.01 | 2.32 ± 0.14 |
| Oleic | C 18 : 1(n-9) | 34.12 ± 0.09 | 31.72 ± 2.14 |
| Vaccenic | C 18 : 1(n-7) | 0.00 ± 0.00B | 0.00 ± 0.00B |
| Linoleic | C 18 : 2(n-6) | 48.86 ± 0.08 | 18.35 ± 1.27 |
| Arachidic | C 20 : 0 | 0.87 ± 0.03C | 0.93 ± 0.06C |
| Eicosenoic | C 20 : 1 | 0.18 ± 0.01 | 8.80 ± 0.59 |
| Linolenic | C 18 : 3(n-3) | 0.41 ± 0.00 | 11.38 ± 0.67 |
| Docosanoic | C 22 : 0 | 0.19 ± 0.01D | 0.53 ± 0.03D |
| Erucic | C 22 : 1 | 0.00 ± 0.00 | 17.89 ± 1.13 |
| Lignoceric | C 24 : 0 | 0.00 ± 0.00E | 0.63 ± 0.04E |
| Nervonic | C 24 : 1 | 0.00 ± 0.00F | 1.80 ± 0.29F |
|
| |||
| Σ saturated | — | 16.43 ± 0.02 | 10.79 ± 0.93 |
| Σ monounsaturated | — | 34.30 ± 0.09 | 60.54 ± 4.16 |
| Σ polyunsaturated | — | 49.27 ± 0.08 | 29.73 ± 1.94 |
Values are mean ± sd (standard deviation) (n = 3) expressed as a percentage in relation to total fatty acids quantified. Values on the same line highlighted by equal superscript letters indicate no significant differences (P < 0.05).