| Property | Specification |
| Appearance | Off-white to light brown powder or coarse husk |
| Odor | Mild, characteristic, slightly earthy |
| Taste | Bland, neutral |
| Particle Size | 80-120 mesh (depending on the product) |
| Moisture Content | 5-8% (maximum) |
| Bulk Density | 0.2 - 0.4 g/cm³ |
| Solubility | Insoluble in water (forms gel when mixed with water) |
| Ash Content | 2-6% (maximum) |
| pH | 6.0 - 8.0 |
| Foreign Matter | Nil or not more than 0.5% |
| Microbial Count | Total Plate Count < 10,000 CFU/g |
| Heavy Metals | As per local regulations (commonly ≤ 2 ppm for lead) |
| Soluble Fiber Content | 70-80% (approx.) |
| Heavy Metal Content | Lead (Pb) < 2 ppm, Arsenic (As) < 1 ppm |