Quality index | Grape seed oil | Corn germ oil | Walnut oil |
Acidity index, mg КОН/g oil | 3.1 | 2.6 | 3.8 |
Peroxide Value, (mmol/kg oil) | 9.2 | 8.8 | 9.8 |
Mass fraction of impurities (sediment mass relative to mass of sample), % | 0.20 | 0.15 | 0.25 |
Mass fraction of water and volatiles, % | 0.15 | 0.10 | 0.20 |
Mass fraction of unsaponifiables, % | 2.0 | 1.0 | 1.2 |
Relative density. | 0.925 | 0.918 | 0.922 |
Saponification index, mg KOH/g oil | 192 | 194 | 198 |
Iodine index, g I2/100 g oil | 138 | 131 | 158 |