透明质酸钠（hyaluronic acid, sodium hyaluronate,简称HA）,又名玻璃酸、玻尿酸，是由N-乙酰氨基葡萄糖和D-葡萄糖醛酸双糖单位重复链接而成的高分子粘多糖。市售透明质酸一般为其钠盐形式，称为透明质酸钠。
分子式：(C14H20NO11Na)n
产品规格单
检测项目Item | 规格Standard |
外观Appearance | 白色粉末White powder |
葡萄糖醛酸Glucuronic Acid | ≥44% |
透明质酸钠Sodium Hyaluronate | ≥91% |
透光率（0.1%水溶液） Appearance of Solution (0.1% Water Solution) | A600nm≤0.01 |
核酸（0.1%水溶液）Nucleic Acid | A260nm≤0.5 |
pH（0.1%水溶液）pH (0.1% Water Solution) | 5.0-8.5 |
分子量Molecular Weight | 1.0-1.8* 106Da. |
蛋白质Protein | ≤0.1% |
干燥失重Loss on drying | ≤10% |
灼烧残渣Residue on Ignition | ≤20.00 % |
氯Chlorides | ≤0.5% |
铁Iron | ≤80ppm |
重金属Heavy metal | ≤10ppm |
砷Arsenic | ≤2ppm |
细菌总数Bacteria Count | ≤100CFU/G |
霉菌和酵母菌总数Molds & Yeast count | ≤10CFU/g |
金黄色葡萄球菌Staphylococcus aureus | 阴性Negative |
铜绿假单胞菌Pseudomonas aeruginosa | 阴性Negative |
溶血性Hemolysis | 阴性Negative |
溶血性链球菌Viable Hemolytical Streptococci | 阴性Negative |