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目的:HPLC地测定桂枝中皮醛,桂皮酸和邻甲氧基桂皮醛的含量。方法:采用ODS色谱柱(150mm×4.6mm,5μm),以甲醇-水-冰乙酸(45:55:0.05)为流动相,流速为0.8mL.min^-1,紫外检测波长为280nm。结果:桂皮醛、桂皮酸和邻甲氧基桂皮醛的线性范围(n=5)分别为0.125-2μg(r=0.9998),0.0032-2μg(r=0.9999),0.0125-0.2μg(r=0.9997),平均回收率(n=9)分别为99.3%,102.8%,98.9%,提取方法为甲醇冷