建立了大鼠服用厚朴提取物后的血清中及尿中厚朴酚与和厚朴酚的高效液相色谱测定法.色谱柱填料为Spherisorb C18,流动相为甲醇 -水-冰醋酸(体积比为70:30:1),UV检测波长为294 nm,灵敏度0.005 AUFS.样品用甲醇沉淀蛋白,上清液酸化后用乙酸乙酯-乙醚萃取,然后测定其中的药物浓度.血清和尿中的药物浓度与峰面积的线性关系良好,线性范围分别为0.05~2 mg/L(厚朴酚)、0.025~1 mg/ L(和厚朴酚);精密度和重现性良好.血清中厚朴酚与和厚朴酚的平均加样回收率分别为95. 6% (RSD=3.85%)和93.8% (RSD=3.95%),尿中分别为96.0% (RSD=3.83%)和94.9% (RSD=3.54%).药物在血清中和尿中的最低检测限分别为0.02和0.04 mg/L.该法适于血清和尿中厚朴酚与和厚朴酚的药物浓度监测.
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