L-天门冬氨酸 | USP32 | AJI92 |
含量 | 98.5~101.5% | 99.0-100.5% |
酸度 | / | 2.5-3.5 |
比旋度[a]D20 | + 24°~ + 26° | +24.8°-+25.8° |
比旋度[a]D25 | / | / |
透光 | / | ≥98.0% |
氯化物 | ≤ 0.02% | ≤0.02% |
铵盐 | / | ≤0.02% |
硫酸盐 | ≤ 0.03% | ≤0.02% |
铁盐 | ≤ 0.001% | ≤10PPM |
重金属 | ≤ 0.001% | ≤10PPM |
砷盐 | / | ≤1PPM |
其他氨基酸 | / | conform |
茚三酮活性物质 | / | / |
干燥失重 | ≤ 0.5% | ≤0.20% |
炽灼残渣 | ≤ 0.1% | ≤0.10% |
总菌 | ≤ 1000 CFU/g | ≤ 1000 CFU/g |
霉菌&酵母菌 | ≤ 100 CFU/g | ≤ 100 CFU/g |