Sunflower oil is the fixed oil obtained from the seed of the sunflower plant Helianthus annuus by mechanical expression or solvent extraction.
Detailed introduction to Both refined and crude sunflower oil:
1. REFINED SUNFLOWER OIL:
Specific Gravity at 20c 0.916-0.923
Refractive Index at 20c 1472-1474
Lodine Value 120-143
Unsaponification 2.5 Max
Free Fatty Acid 0.1% Max. as Oleic Acid
Peroxide Value 1 Max. (meg/kg)
Color Max. 2 Red (on 5
Lovibond cell)
Moisture 0.1% Max
Appearance Clear and Bright
Odor and Flavor Odorless and Bland
2. CRUDE SUNFLOWER OIL:
Grade Highest
Sunflower oil process Mechanical
(expeller)
pressing
Acid number, KOH/g 1.06
Moisture and volatile 0.08%
Free fatty acids 0.53%
Impurities 0.002
Unsaponifiables 1.2%
Color index, mg of iodine 15
Iodine value 125-145
Saponification value 180
Refractive index, 40C 1.4770
Specific weight, 20C 0.9165-
0.9180
Peroxide, micromole/kg 5.5
Phosphor number 0.40%
Flash point, C minimum 225
