| 数量 | 大量 |
| 英文名 | L-Arg-L-Pyr |
| 供应商 | 四川同晟 |
| 规格 | 食品级 |
| Appearance | White crystalline powder |
| Specific rotation[α]20/D (C=8 6N HCL ) | +16.5 to ~18.5 Degree |
| Transmittance (0.5 in 10ml of H2O) | Not less than 95.0% |
| Chloride (Cl) | Not more than 0.020% |
| Ammonium (NH4) | Not more than 0.02% |
| Sulfate (SO4) | Not more than 0.020% |
| Iron (Fe) | Not more than 10ppm |
| Heavy metal(Pb) | Not more than 10ppm |
| Other Amino Acids | Chromatographically Not detectable |
| Loss on drying | Not more than 2.0% |
| Residue on ignition(sulfated) | Not more than 0.10% |
| Assay | 98.5%~101.5% |
