Parameter |
Specification |
Grain Length |
Short (≤5.5 mm), Medium (5.6–6.9 mm), Long (≥7.0 mm) |
Grain Shape |
Slender, Bold, Round |
Grain Color |
White, Brown, Red, Black |
Chalkiness |
≤5% (for high-quality rice) |
Moisture Content |
12%–14% |
Broken Grains |
≤5% (varies by grade) |
Foreign Matter |
≤0.5% |
Damaged/Discolored Grains |
≤2% |
Immature Grains |
≤1% |
Milling Degree |
Well-milled, Parboiled, Raw, Polished |
Aroma |
Aromatic (e.g., Basmati) or Non-aromatic |
Texture |
Hard or Soft (depends on variety) |
Whiteness Index |
≥35 (varies based on polishing) |
Red/Undehusked Grains |
≤0.5% |