HPLC法测定槟榔中槟榔碱和槟榔次碱的含量

Acta Chinese Medicine and Pharmacology(2018)

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Abstract
目的:建立高效液相测定槟榔中槟榔碱和槟榔次碱的含量测定方法.方法:采用HPLC法,色谱柱为Nucleosil SA阳离子交换色谱柱(4.6 mm×250 mm,5μm),流动相为甲醇-水-磷酸(60:40:0.3,氨试液调pH3.8),流速1.0 mL·min-1,检测波长为212 nm,柱温30℃.结果:槟榔碱和槟榔次碱与其他成分分离良好,槟榔碱在2.02~32.30μg·mL-1浓度范围内线性关系良好(R2=0.9995),平均回收率为97.2%,RSD为2.4%(n=9);槟榔次碱在0.85~13.55μg·mL-1浓度范围内线性关系良好(R2=0.9993),平均回收率为103.9%,RSD为2.6%(n=9).结论:所建方法专属性、准确,重复性好,可用于测定槟榔中槟榔碱和槟榔次碱的含量.
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Key words
Binglang( Semen Arecae),Arecoline,Arecaidine,HPLC
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