| Analytical Items | Standard |
| Appearance | White or off-white fine powder |
| Assay | ≥95. 0% |
| Leucine | 45.0~55.0% |
| Isoleucine | 22.5~27.5% |
| Valine | 22.5~27.5% |
| Sunflower Lecithin | 0.5%~1.0% |
| Bulk Density | ≥0.35g/ml |
| Tapped Density | ≥0.50g/ml |
| Loss on drying | ≤0.5% |
| Residueon ignition | ≤1.0% |
| Particle Size Range | ≥90% through 80 Mesh |
| Heavy Metals (Pb) | ≤10ppm |
| Lead | ≤3ppm |
| C d | ≤1ppm |
| As | ≤1ppm |
| Hg | ≤0.1ppm |
| Residual Solvent | |
| Total plate count | <1000cfu/g |
| Yeast & Mould | <100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
| Aflatoxins | Negative |