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Ningbo Inopha Biotec Ltd.
| 产品名称 Product name | L-羟基脯氨酸 L-Hydroxyproline | ||
| 生产日期/ Manufacturing date | 2026.03.16 | CAS No. | 51-35-4 |
| 报告日期/ Reporting date | 2026.04.03 | 批号/ Batch No. | HY313-202603901 |
| 有效期/ Expiry date | 2028.03.15 | 重量/ Quantity | |
| 检测项目 / Item | 检测标准 / Standard | 检测结果 / Result |
|---|---|---|
| 性状 Description | 白色结晶或白色粉末,味微甜。 White crystal or white powder, slightly sweet. | 符合规定 Conforms |
| 鉴别 Identification | 取2ml羟脯氨酸溶液(0.1→100),加2ml酸性茚三酮溶液,水浴加热15min,溶液显蓝色。 To 2ml of a solution of Hydroxyproline (0.1→100) and add 2ml of the acidic ninhydrin solution and heat on a water bath for 15 minutes; a deep blue color is produced. | 符合规定 Conforms |
| 比旋度 Specific rotation [α] D 20 | -74.0° ~ -77.0° | -76.4° |
| 透光率 Transmittance | ≥95.0% | 99.6% |
| 氯化物 Chloride | ≤0.020% | <0.020% |
| 氨盐 Ammonium | ≤0.02% | <0.02% |
| 硫酸根 Sulfate | ≤0.020% | <0.020% |
| 铁盐 Iron | ≤10ppm | <10ppm |
| 重金属 Heavy metals | ≤10ppm | <10ppm |
| 砷 Arsenic | ≤1ppm | <1ppm |
| 其他氨基酸 Other amino acids | 10ug不得检出 10ug cannot be detected | 符合规定 Conforms |
| 干燥失重 Loss on drying | ≤0.2% | 0.11% |
| 灼烧残渣 Residue on ignition | ≤0.1% | 0.05% |
| 含量 Assay | 98.5 ~ 101.0% | 99.8% |
| pH | 5.0 ~ 6.5 | 5.8 |
| 微生物限度 Microbiological examination | 需氧菌总数 Total aerobic microbial count ≤50cfu/g; 霉菌和酵母菌总数 Total yeasts and moulds count ≤10cfu/g | 需氧菌总数 <10cfu/g; 霉菌和酵母菌总数 <10cfu/g |
| 细菌内毒素 Endotoxin | <6EU/g | <6EU/g |
| 检测结论/ Conclusion | 本品按企业标准检验,结果符合规定。 Conclusion: After test, the product is complied with in house standards. | |

Ningbo Inopha Biotec Ltd. | Website: www.inopha.com
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