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