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目的建立抗脑衰胶囊中葛根素的含量测定方法。方法采用50%甲醇提取,HPLC法测定。结果加样回收率为99·77%,RSD=1·23%(n=5),tR=11.2min。结论所用方法可用于抗脑衰胶囊的质量控制。
Objective To establish a method for determination of puerarin in Kangnaoxai capsules. The method was extracted with 50% methanol and determined by HPLC. As a result, the recovery of the sample was 99.77%, RSD was 1.23% (n=5), and tR was 11.2 min. Conclusion The method used can be used to control the quality of anti-brain failure capsules.