Niger seeds

Property Specification
Appearance Small, oblong, and black with a slight sheen
Size (Length) 3 – 5 mm
Width 1.5 – 2 mm
Thickness 1 – 1.5 mm
Shape Oval to slightly flattened
Color Shiny black to dark brown
Bulk Density 0.55 – 0.60 g/cm³
True Density 0.85 – 0.95 g/cm³
Moisture Content 6% – 9% (safe storage range)
Oil Content 30% – 40% (high in linoleic acid)
Protein Content 15% – 20%
Surface Texture Smooth
Hardness Moderate (can be easily crushed under pressure)
Thermal Sensitivity Sensitive to heat; oil quality can degrade