| Appearance | Small, round, beige beans with a black spot at the hilum (eye) |
| Odor | Mild, characteristic leguminous aroma |
| Taste | Mild, slightly nutty and earthy |
| Particle Size | Whole beans, typically 5-7 mm in diameter |
| Loss on Drying | ≤ 10% |
| Ash Content | ≤ 3% |
| Bulk Density | 0.75 – 0.85 g/cm³ |
| Solubility | Insoluble in water, requires cooking for digestibility |
| Moisture Content | ≤ 12% |
| Oil Content | 1-3% |
| Heavy Metals | Lead (Pb) ≤ 10 ppm, Arsenic (As) ≤ 2 ppm |
| Microbial Limits | Total Plate Count ≤ 1,000 cfu/g |
| Pesticide Residues | Within acceptable limits as per regulations |
| Purity | ≥ 98% clean, no foreign matter or debris |