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微波协助提取在中药饮片含量测定中的应用(6)——微波法与药典法测定野菊花中蒙花苷含量比较

Chinese Journal of Experimental Traditional Medical Formulae(2012)

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Abstract
目的:建立微波协助提取法提取野菊花中有效成分蒙花苷含量测定方法,比较微波协助提取法与药典法提取蒙花苷优势。方法:采用Dikma Diamonsil C18色谱柱(4.6 mm×150 mm,5μm),流动相甲醇-水-冰醋酸(26∶23∶1),检测波长334nm,柱温30℃,流速1 mL.min-1。结果:微波提取时间15 min,提取温度100℃,提取溶剂50%乙醇。蒙花苷在0.04~1.2μg呈良好线性关系(r=0.999 9),平均回收率100.13%(n=6)。结论:微波提取法较药典法提取蒙花苷更简便快速、准确,为一种符合环保绿色理念的含量测定方法,可用于检测野菊花饮片中蒙花苷含量。
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Key words
linarin,Chrysanthemum indicum,determination,microwave-assisted extraction
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