脑忆源胶囊中黄酮类物质含量测定
Journal of Guangzhou University of Traditional Chinese Medicine(2010)
Abstract
【目的】建立脑忆源胶囊中总黄酮和淫羊藿苷含量的测定方法。【方法】采用《保健食品检验与评价技术规范》(2003年版)中规定的方法,以芦丁为对照品,采用紫外—可见分光光度法测定总黄酮含量,高效液相色谱(HPLC)法测定胶囊中淫羊藿苷含量,色谱柱:luna Cl8(2)100R(150 mm×4.6 mm,5μm),流动相:乙腈—水(体积比为30∶70),流速:1.0 mL/min,检测波长:270 nm。【结果】芦丁在0~24.75μg/mL范围内呈良好的线性关系,r=0.999 0,平均加样回收率为102.29%,sR为1.34%(N=5);淫羊藿苷含量在6.9×10-2~4.83×10-1μg范围内与峰面积积分值呈良好线性关系,r=0.999 9,平均回收率为95.39%,sR为2.5%(N=5)。【结论】本研究所建立的方法能够准确测定脑忆源胶囊中黄酮类成分的含量。
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Key words
CHROMATOGRAPHY,ICARIINE/analysis,ULTRAVIOLET,NAOYIYUAN CAPSULES/chemistry,SPECTROPHOTOMETRY,HIGH PRESSURE LIQUID,TOTAL FLAVONOIDS/analysis
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