Table 2.
Effect of electric field strength (750 V/m) on oil recovery and quality parameters of sesame seed oil
| Parameters | Control value | Temperature (°C) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 65 | 75 | 85 | ||||||||
| Holding time (min) | Holding time (min) | Holding time (min) | ||||||||
| 5 | 10 | 15 | 5 | 10 | 15 | 5 | 10 | 15 | ||
| Oil extracted (%) | 34.14 | 41.53 | 42.39 | 42.2 | 41.82 | 42.07 | 41.48 | 41.61 | 41.69 | 41.85 |
| Oil recovery over control (%) | – | 11.81 | 14.15 | 13.62 | 12.59 | 13.29 | 11.69 | 12.04 | 12.25 | 12.69 |
| Residual oil content (%) | 14.34 | 8.17 | 6.84 | 7.11 | 7.72 | 7.31 | 7.98 | 8.45 | 7.92 | 7.66 |
| Moisture content of oil | 0.25 | 0.17 | 0.16 | 0.24 | 0.18 | 0.2 | 0.24 | 0.23 | 0.23 | 0.25 |
| Moisture content of oil cake | 2.32 | 2.44 | 2.45 | 2.53 | 3.11 | 3.22 | 2.67 | 2.44 | 2.57 | 2.55 |
| FFA (% oleic acid) | 1.24 | 1.69 | 1.8 | 1.52 | 1.58 | 1.67 | 1.79 | 2.14 | 2.26 | 2.14 |
| Peroxide value (meq/kg) | 0.86 | 0.78 | 0.81 | 0.91 | 0.95 | 0.99 | 0.85 | 1.01 | 0.97 | 1.01 |
| L color value | 46.47 | 44.33 | 44.12 | 44.92 | 45.41 | 45.86 | 45.89 | 44.71 | 45.18 | 44.85 |