项目Item 检测标准Test Criterion 结果Result 外观Appearance 淡黄色结晶粉末 Light yellow crystalline powder 符合Conforms 含量Assay min 98.0% 99.45% 比旋度Specific rotation -24~-26.5°(C=1,DMF) -25.5° 干燥失重Loss on drying max 0.50% 0.05% 非动物来源Non-animal origin Conforms Conforms 注意事项Note Sealed dry preservation 结论CONCLUSION: This batch meets the test criterion.