RP-HPLC同时测定马钱子散中士的宁和马钱子碱的含量

 目的：建立马钱子散中士的宁和马钱子碱的反相高效液相色谱分析法。方法：色谱柱μ Bondapak C₁₈(10μm,4mm×300mm)；流动相为甲醇－水－乙酸-三乙胺(70∶230∶2.4∶0.3)；流速1.2ml·min^-1；检测波长254nm。结果：士的宁线性范围0.03672μg～0.0612μg，回收率x₁=100.36%，RSD₁=1.09%；马钱子碱线性范围0.9450μg-0.1575μg，回收率x₂=100.01,RSD₂=1.46%?结论：该分析法为一种灵敏、准确和简便的分析法。

Determination of strychnine and brucine in maqianzi san by RP-HPLC

OBJECTIVE: To develop a HPLC method for assaying strychnine and brucine in traditional Chinese drug Maqianzi San. METHODS: With μBondapak C18 (10 μm) column (4 mm×300 mm), MeOH-H2O-HAc-(C2H5)3N(70∶230∶2.4∶0.3) as mobile phase, we set a detector at 254 nm. RESULTS: Linear range of strychnine and brucine was 0.367 2 μg～0.061 2 μg and 0.945 0 μg～0.157 5 μg respectively. The recovery rate of strychnine and brucine was 100.36% (RSD=1.09%) and 100.01% (RSD=1.46%) respectively. CONCLUSION: This method provides a simple and feasible way to control the quality of Maqianzi San.