Determination of hyperin in the leaves of {\sl Acanthopanax senticosus}
2005
This paper describes the use of high performance liquid chromatography (HPLC) to determine the hyperin in the leaves of Acanthopanax senticosus on a C_(18) chromatogram column. Methanol:0.025 mol·L~(-1) phosphoric acid solution (V/V, 55:45) was used as the mobile phase (the mixture was adjusted with triethylamine to pH 3.0-3.2), and the detection wavelength was 360 nm. The sample was extracted with methanol by the ultrasonic extraction method. Hyperin content showed a symmetrical peak shape and reached the baseline separation with the peak content of other chemicals. the average recovery was 104% and the relative standard deviation (RSD) 5.38%. This study provided evidence of an accurate and credible method of determining the content of hyperin in the leaves of A. senticosus.
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