Table 5. Comparison of the properties of rice bran oil after the treatment with free and immobilized enzyme at pH=6 and at different temperatures in the presence of 10 mM of calcium.
| Oil treatment |
Parameter | Temperature/°C | |||
|---|---|---|---|---|---|
| 30 | 40 | 50 | 60 | ||
| Free enzyme |
IV/(g/100 g) | 103.4 | 103.29 | 104.43 | 105.58 |
| PCI | 87.05 | 84.85 | 76.2 | 73.5 | |
| w(P)/(mg/kg) | 327.7 | 307.4 | 295.2 | 266.7 | |
| Immobilized enzyme |
IV | 107.23 | 111.67 | 110.02 | 107.86 |
| PCI | 74.88 | 68.2 | 66.8 | 66.5 | |
| w(P)/(mg/kg) | 155.4 | 139.9 | 103.6 | 57.2 |
IV=iodine value, PCI=photometric colour index