| Item | Index |
| Specific rotatory power[α] D20 | +14.9º 16º |
| Clarity | >=98.0% |
| Chloride[CL] | =<0.02% |
| Sulfate[SO4] | =<0.02% |
| Residue on ignition | =<0.10% |
| Iron salt[Fe] | =<10 ppm |
| Heavy metal[Pb] | =<10 ppm |
| Arsenic salt | =<1 ppm |
| Ammonium salt[NH4] | =<0.02% |
| Other amino acid | =<0.20% |
| Loss on drying | =<0.20% |
| Content | 98.5 100.5% |