Jatropha oil sample | Volume of Jatropha oil (ml) | Mass of Potassium hydroxide (g) | Volume of dry ethanol (ml) | Mean ± SD Volume of ethyl esters (ml) | Mean ± SD %yield of ethyl esters |
| JOFAa | 100 | 3 | 30 | 65 ± 1.5 | 65 ± 1.5 |
| JOFBb | 100 | 3 | 30 | 67 ± 1.0 | 67 ± 1.0 |
| JOFCb | 100 | 3 | 30 | 70 ± 0.6 | 70 ± 0.6 |
| JOFDb | 100 | 3 | 30 | 64 ± 2.0 | 64 ± 2.0 |
| JOFEb | 100 | 3 | 30 | 63 ± 0.0 | 63 ± 0.0 |