RP-HPLC测定土茯苓胶囊中盐酸小檗碱的含量

Chinese Journal of Experimental Traditional Medical Formulae(2010)

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Abstract
目的:采用RP-HPLC(反相液相色谱法)测定土茯苓胶囊中盐酸小檗碱的含量。方法:色谱柱Kromasil C18柱(4.6 mm×250 mm,5μm);流动相乙腈-磷酸盐缓冲液[0.43%磷酸二氢钠和0.17%十二烷基磺酸钠,并用三乙胺调pH至7.5](47∶53);流速1.0 mL·min-1;检测波长265 nm。结果:盐酸小檗碱在0.042 2~0.527 5μg线性关系良好(r=0.999 1),平均回收率为101.35%,RSD为1.06%。结论:该法快捷、简便、准确,能更好的控制其质量。
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Smilax glabra roxby capsules,RP-HPLC,berberine hydrochloride
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