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机构地区:[1]广州中医药大学临床药理研究所,广东广州510405
出 处:《中国中药杂志》2014年第9期1656-1659,共4页China Journal of Chinese Materia Medica
基 金:广东省国际合作项目(2008A050200005)
摘 要:建立RP-HPLC同时测定苦木中4个生物碱与1个黄酮成分含量的方法,并进行多批次药材成分分析,为苦木质量评价提供依据。采用Kromasil C18色谱柱(4.6mm×250mm,5μm),流动相为乙N-0.1%磷酸,梯度洗脱,流速1.0mL·min^-1,检测波长254nm。4个生物碱苦木碱L,苦木碱B,苦木碱F,苦木碱D和黄酮高丽槐素的标准曲线及线性范围依次为Y=6525.6X+37.25(0.009—1.780μg,r=0.9968),Y=3662.3X+41.55(0.005—0.920tzg,r=0.9995),Y=3763.1X+146.87(0.015—3.060Ixg,r=0.9990),Y=2174.1X+21.52(0.003~0.620μg,r=0.9995),Y=276.25X+7.65(0.010~1.960μg,r=0.9989),平均加样回收率在98.02%~101.8%,RSD%在1.2%-2.8%,重复性及精密度良好。经过系统的方法学考察,该法简便,准确,可用于苦木药材的质量分析及控制。A RP-HPLC method was developed to evaluate the quality of Picrasmae Ramulus et Folium by simultaneous determination of five constituents including 1-hydroxymethyl-β-carboline ( 1 ), 1-methoxicabony-/3-carboline ( 2 ), 4-methoxy-5-hydroxy-can- thin-6-one (3), 4, 5-dimethoxy-canthin-6-one (4) and maackiain (5) in Picrasmae Ramulus et Folium. The samples were separated on a Kromasil RP-C18 (4. 6 mm × 250 mm, 5 μm) column eluted with acetonitrile and 0. 1% phosphoric acid as mobile phases in gradient mode. The detection wavelength was set at 254 nm. The calibration curves and linearity of the above five standards were determined as (1) Y=6 525.6X+37.25(0.009-1.780 μg, r=0.996 8),(2) Y=3 662.3X+41.55(0.005-0.920 μg, r=0.999 5),(3) Y= 3763.1X+146.87(0.015-3.060 μg, r=0.999 0), (4) Y=2 174.1X+21.52(0. 003-0. 620gg, r=0.999 5), and(5) Y= 276. 25X +7.65(0. 010-1. 960 Izg ,r =0. 998 9), respectively. The method is simple and repeatable, and can be used for the quality assessment of Picrasmae Ramulus et Folium.
关 键 词:苦木 β-咔巴啉类生物碱 铁屎米-6-酮类生物碱 二氢异黄酮 RP-HPLC
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