Table 4.
Profile of fatty acid methyl esters of the biodiesel synthesized from the transesterification reaction of corn oil by A. flavipes lipase.
| Fatty acid | Number of carbon atoms | Retention time (min) | Concentration (mg/l) | Percent (%) |
|---|---|---|---|---|
| Caprylic acid | 8 | 6.67 | 2.26 | 7.65 |
| Capric acid | 10 | 11.19 | 0.29 | 0.99 |
| Undecanoic acid | 11 | 12.06 | 0.22 | 0.75 |
| Lauric acid | 12 | 14.00 | 0.20 | 0.67 |
| Tridecanoic acid | 13 | 15.59 | 0.27 | 0.92 |
| Myristic acid | 14 | 17.35 | 0.40 | 1.36 |
| cis-10-Pentadecenoic acid | 15 | 19.50 | 1.46 | 4.93 |
| Pentadecanoic acid | 15 | 19.53 | 0.44 | 1.49 |
| Palmitoleic acid | 16 | 20.98 | 0.78 | 2.65 |
| Palmitic acid | 16 | 21.39 | 0.09 | 0.31 |
| cis-10-Heptadecenoic acid | 17 | 22.65 | 0.89 | 3.03 |
| Heptadecanoic acid | 17 | 23.88 | 0.59 | 2.01 |
| Gama-Linolenic acid | 18 | 25.85 | 1.67 | 5.66 |
| Linolenic acid | 18 | 25.85 | 1.61 | 5.44 |
| Oleic acid | 18 | 25.97 | 3.02 | 10.23 |
| Elaidic acid | 18 | 25.85 | 1.03 | 3.50 |
| Stearic acid | 18 | 26.65 | 0.98 | 3.31 |
| cis-5,8,11,14,17 Eicosapentaenoic acid | 20 | 31.00 | 1.73 | 5.85 |
| Arachidic acid | 20 | 33.04 | 0.95 | 3.20 |
| Heneicosanoic acid | 21 | 36.97 | 1.09 | 3.70 |
| cis-4,7,10,13,16,19 Docosahexaenoic acid | 22 | 37.26 | 1.90 | 6.45 |
| Behenic acid | 22 | 39.51 | 2.07 | 7.01 |
| Tricosanoic acid | 23 | 41.75 | 1.29 | 4.37 |
| Nervonic acid | 24 | 43.89 | 1.69 | 5.74 |
| Lignoceric acid | 24 | 44.47 | 2.59 | 8.77 |
| Summation | 29.50 | 100 |