| Item | Specification |
| Appearance | Off-white or yellowish powder |
| Particle size | 99% through 80 mesh or 92% through 200 mesh |
| Viscosity | ≥600 |
| Shearing property | ≥6.5 |
| Moisture | ≤15% |
| Ash | ≤16 |
| Total nitrogen | ≤1.5% |
| Pyruvic acid | ≥1.5% |
| Lead | ≤2ppm |
| Total plate count | ≤5000cfu/g |
| Yeast | ≤500cfu/g |
| E.coli | ≤30cfu/g |
| Salmonella | Negtive |