Quality Standard Of Pressing And Solvent Extraction Maize Oil
ITEM | Quality Standard | |||||
First Grade | Second Grade | Third Grade | Fourth Grade7 | |||
Color | (25.4mm)max | No | No | Yellow30 red3.5 | Yellow30 Red6.5 | |
(133.4mm)max | Yellow30 red3.0 | Yellow35 Red4.0 | No | No | ||
Smell | no smell taste good | no smell taste good | Fragrance, no peculiar smell | Fragrance, no peculiar smell | ||
Transparency | Clear | clear | no | no | ||
Moisture and Volatile matter(%)max | 0.05 | 0.05 | 0.10 | 0.20 | ||
Impurity(%)max | 0.05 | 0.05 | 0.05 | 0.05 | ||
Acid Value(KOH)(mg/g) max | 0.20 | 0.30 | 1.0 | 3.0 | ||
Peroxide Value(mmol/kg) max | 5.0 | 5.0 | 6.0 | 6.0 | ||
Residual solvent content in oil(mg/kg) | solvent | No | No | max50 | max50 | |
pressing | No | No | No | No | ||
Saponified matter content/% |
|
| 0.03 | 0.03 | ||
Smoking point/ | 215 | 205 |
|
| ||
Refrigeration test(0-5.5h) | Clear |
|
|
| ||
Heating Test(280) |
| |||||
vegetable oil