表1 不同样品前处理方法下苦参碱和氧化苦参碱峰面积(n=3)

    Table 1 The peak area of matrine and oxymatrine by different sample pretreatment methods(n=3)

    表2 几种不同的固相萃取柱处理苦参碱和氧化苦参碱峰面积(n=3)

    Table 2 The peak area of matrine and oxymatrine by serveral different solid-phase extration column(n=3)

    仪，测定。考察结果杂质去除情况均好，苦参碱和氧化苦参碱峰面积值比较见表3。

    将苦参样品2～5分别采用方法Ⅰ和VII进行处理，所得的苦参药材中苦参碱和氧化苦参碱的峰

    表3 苦参样品2～5中苦参碱和氧化苦参碱峰面积(n=3)

    Table 3 The peak area of matrine and oxymatrine in the five Sophora flavescens 2-5(n=3)

    面积进行比较可知 ......