Table 2.
Comparison between DFSs and FSSAI standards for refined sunflower oil.
| Parameter | DFS | FSSAI | Remarks |
|---|---|---|---|
| Moisture | <0.1% | <0.1% | – |
| Colour in 2.5-cm cell on the Lovibond scale | <5.0% | – | Indicates quality of refining |
| Refractive index at 40 °C | 1.4640–1.4800 | 1.4674–1.4689 | Characteristic of specific oil |
| Saponification value | 188–194 | 186–196 | Gives fatty acid chain length |
| Unsaponified matter | <1.5% | <1.5% | |
| Iodine value | 100–140 | 135–148 | Gives unsaturated fatty acid levels |
| Acid value | <0.3 | <0.5 | Indicates free fatty acid content that relates to rancidity |
| Added colouring matter | Nil | Nil | |
| Test for mineral oil | Negative | Negative | Adulterant |
| Test for argemone oil | Negative | Negative | Adulterant |
DFS, Defence Food Specification; FSSAI, Food Safety and Standards Authority of India.