Parameter |
Specification |
Appearance |
Thick, dark brown to blackish liquid |
Color |
Dark brown, greenish-black |
Odor |
Strong, unpleasant, musty or earthy smell |
Taste |
Not edible, bitter or unpleasant |
Acidity Level |
Typically above 2.0% |
Peroxide Value |
Generally higher than acceptable food-grade standards |
Free Fatty Acid Content |
High, often above 2% (as oleic acid) |
Density at 20°C |
0.910 – 0.920 g/cm³ |
Moisture and Volatile Matter |
≤ 0.2% |
Wax Content |
Very high, may exceed 350 mg/kg |
Unsaponifiable Matter |
May be higher than refined oils |
Usage |
Not suitable for consumption; used in refining processes |