Content Determination of Luteolin and Apigenin in Ligustrum lucidum by HPLC
Fan Yong-chu
Abstract
Fan Yong-chu
Abstract
OBJECTIVE:To establish the method for the content determination of luteolin and apigenin in Ligustrum lucidum.METHODS:HPLC method was adopted.ZORBAX SB-C18(150 mm×4.6 mm,5 μm)column was used with methanol-0.1% formic acid(55 ∶45,V/V)as mobile phase at the flow rate of 1.0 ml/min.The column temperature was set at 30 ℃ and detection wavelength was 345 nm.RESULTS:The linear range of luteolin and apigenin were 0.040 8-0.652 8 μg(r=0.999 9)and 0.049 2-0.787 2 μg(r=0.999 8),respectively.RSDs of precision,reproducibility and stability tests were all lower than 2%.The average recoveries were 100.6%(RSD=1.04%,n=6)and 100.1%(RSD=1.10%,n=6).CONCLUSIONS:The method is accurate,reliable,sensitive and reproducible,and it is suitable for the quality evalution of L.lucidum.
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OBJECTIVE:To establish the method for the content determination of luteolin and apigenin in Ligustrum lucidum.METHODS:HPLC method was adopted.ZORBAX SB-C18(150 mm×4.6 mm,5 μm)column was used with methanol-0.1% formic acid(55 ∶45,V/V)as mobile phase at the flow rate of 1.0 ml/min.The column temperature was set at 30 ℃ and detection wavelength was 345 nm.RESULTS:The linear range of luteolin and apigenin were 0.040 8-0.652 8 μg(r=0.999 9)and 0.049 2-0.787 2 μg(r=0.999 8),respectively.RSDs of precision,reproducibility and stability tests were all lower than 2%.The average recoveries were 100.6%(RSD=1.04%,n=6)and 100.1%(RSD=1.10%,n=6).CONCLUSIONS:The method is accurate,reliable,sensitive and reproducible,and it is suitable for the quality evalution of L.lucidum.
Key concepts: Luteolin, Apigenin, Chromatography, Chemistry, Content determination, Formic acid, Reproducibility, High-performance liquid chromatography