RP-HPLC法测定北虫草发酵培养物中虫草素的含量

China Pharmacy(2011)

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Abstract
目的:建立测定北虫草发酵培养物中虫草素含量的方法。方法:采用反相高效液相色谱法。色谱柱为DIAMONSIL-C18(250mm×4.6mm,5μm),流动相为乙腈-水-甲醇(5∶90∶5),流速为0.8mL·min-1,柱温为40℃,检测波长为259nm。结果:虫草素检测浓度在2.56~51.20μg·mL-1范围内与峰面积积分值呈良好的线性关系(r=0.9998);平均回收率为98.35%,RSD=2.71%(n=6)。结论:本方法灵敏、快速、准确,适用于北虫草发酵培养物中虫草素的检测。
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Key words
Cordyceps militaris,Cordycepin,RP-HPLC,Content determination
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