项目Item 测试标准Test Criterion 结果Result 外观Appearance 白色至类白色粉末 White to off-white powder Conforms 含量Assay min 98.0% 99.3% 比旋度Specific rotation 11° ~14° (C=1, 1N HCl) 12.5° 干燥失重Loss on drying max 0.5% 0.25% 灼烧残渣Residue on ignition max 0.20% 0.05% 非动物源性非动物源性 Non- animal origin 符合Conforms Conforms