L-亮氨酸 | CP2020 | EP11 | USP2023 | USP24 | AJI92 |
含量 | ≥98.5% | 98.5-101.0% | 98.5-101.5% | 98.5-101.5% | 99.0-100.5% |
酸度 | 5.5-6.5 | / | 5.5-7.0 | 5.5-7.0 | 5.5-6.5 |
卵磷脂 | / | / | / | / | / |
粘合劑含量 | / | / | / | / | / |
比旋度[a]D20 | +14.9°-+16.0° | +14.5°-+16.5° | / | / | +14.9°-+16.0° |
比旋度[a]D25 | / | / | +14.9°-+17.3° | +14.9°-+17.3° | / |
透光 | ≥98.0% | / | / | / | ≥98.0% |
溶液外觀 | / | clear & colorless ≤BY6 | / | / | / |
松密度 | / | / | / | / | / |
緊密度 | / | / | / | / | / |
氯化物 | ≤0.02% | ≤0.02% | ≤0.05% | ≤0.05% | ≤0.02% |
銨鹽 | ≤0.02% | ≤0.02% | / | / | ≤0.02% |
硫酸鹽 | ≤0.02% | ≤0.03% | ≤0.03% | ≤0.03% | ≤0.02% |
鐵鹽 | ≤10PPM | ≤10PPM | ≤30PPM | ≤30PPM | ≤10PPM |
重金屬 | ≤10PPM | / | / | ≤15PPM | ≤10PPM |
砷鹽 | ≤1PPM | / | / | ≤1.5PPM | ≤1PPM |
鉛 | / | / | / | / | / |
鎘 | / | / | / | / | / |
汞 | / | / | / | / | / |
其他氨基酸 | ≤0.5% | / | Individual impurities≤0.5% Total impurities≤2.0% | / | conforms |
茚三酮活性物質(zhì) | / | Impurity A at 570 nm≤0.8% Each impruity ≤0.2% Total ≤1.0% | / | / | / |
目數(shù) | / | / | / | / | / |
干燥失重 | ≤0.20% | ≤0.50% | ≤0.2% | ≤0.2% | ≤0.20% |
熾灼殘?jiān)?/td> | ≤0.10% | ≤0.10% | ≤0.4% | ≤0.4% | ≤0.10% |
有機(jī)揮發(fā)物 | / | / | / | conforms | / |
內(nèi)毒素 | <25EU/g | <25EU/g | <25EU/g | / | / |
總菌 | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g |
霉菌&酵母菌 | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g |
L-亮氨酸 | 高純企標(biāo) | 速溶 | 造粒 |
含量 | ≥98.5% | ≥95.0% | ≥95% |
酸度 | / | / | / |
卵磷脂 | / | 0.5~1.0% | / |
粘合劑含量 | / | / | ≤5% |
比旋度[a]D20 | +14.9°-+16.0° | / | / |
比旋度[a]D25 | / | / | / |
透光 | ≥98.0% | ≥98.0% | / |
溶液外觀 | / | / | / |
松密度 | / | ≥0.25g/ml | ≥0.50g/ml |
緊密度 | / | ≥0.30g/ml | ≥0.55g/ml |
氯化物 | ≤0.01% | / | / |
銨鹽 | / | / | / |
硫酸鹽 | ≤0.02% | / | / |
鐵鹽 | / | / | / |
重金屬 | / | ≤10ppm | ≤10ppm |
砷鹽 | / | ≤1ppm | ≤1ppm |
鉛 | / | ≤3ppm | ≤3ppm |
鎘 | / | ≤1ppm | ≤1ppm |
汞 | / | ≤0.3ppm | ≤0.1ppm |
其他氨基酸 | Individual impurities≤0.2% Total impurities≤1.0% | / | / |
茚三酮活性物質(zhì) | / | / | / |
目數(shù) | / | ≥95% through 80 mesh | ≥90% through 20 mesh ≤30% through 80 mesh |
干燥失重 | ≤0.20% | ≤1.0% | ≤2.0% |
熾灼殘?jiān)?/td> | / | ≤0.50% | ≤0.4% |
有機(jī)揮發(fā)物 | / | / | / |
內(nèi)毒素 | / | / | / |
總菌 | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g |
霉菌&酵母菌 | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g |