摘要:目的:建立陈皮多甲氧基黄酮部位中3,5,6,7,8,3',4'-七甲氧基黄酮、川陈皮素和Natusdaidai的高效液相色谱含量测定方法,并测定检测波长下各成分的响应因子,建立以3,5,6,7,8,3',4'-七甲氧基黄酮为单指标测定3种多甲氧基黄酮总含量的方法。方法:采用Kromasi l C18(4.6mm×250mm,5μm)色谱柱,流动相为乙腈-0.2%乙酸溶液(1:1);流速为1 mL·min-1,柱温为25℃,检波长347nm。结果:3,5,6,7,8,3',4'-七甲氧基黄酮、川陈皮素、Natusdaidai的线性范围分别为0.0732~O.732,0.0654~0.654,0.07-0.700μg,相关系数均为产r=0.9999。加样回收率(n=5)分别为97.80%,96.71%,98.52%;RSD分别为1.9%,1.2%,2.1%。3,5,6,7,8,3',4'-七甲氧基黄酮、川陈皮素和Natusdaidai的响应因子(RF值)分别为3283.6,3331.8,2503.4。结论:该方法简便、准确,可用于陈皮多甲氧基黄酮部位中3,5,6,7,8,3',4'-七甲氧基黄酮等3种成分的含量测定。