CAJ | 학술논문

目的建立同时测定宣木瓜药材中五种有机酸(莽草酸、苹果酸、柠檬酸、绿原酸、咖啡酸)和原儿茶酸的含量测定方法.方法采用HPLC法,Phenomenex luna C18色谱柱(250 mm ×4.6 mm,5 μm);流动相A:0.5%磷酸二氢铵溶液(磷酸调节pH值至2.40);流动相B:乙腈进行梯度洗脱;检测波长:214 nm;流速:1.0 mL·min-1;进样量:10 μL;柱温:30℃.结果莽草酸、苹果酸、柠檬酸、绿原酸、咖啡酸五种有机酸和原儿茶酸的线性范围分别为:0.049 5～0.371 g·L-1(r=1.000 0),0.066 3～0.358 g·L-1(r= 0.988 9),0.067 5～0.352 g·L-1(r= 0.995 7),0.009 9～0.080 2 g·L-1 (r=0.991 0),0.008 81～0.062 2 g·L-1(r= 0.992 1),0.010 1～0.090 2 g·L-1 (r=0.993 3),平均加样回收率分别为:97.2%(RSD=2.0%)、99.6%(RSD =4.1%)、101.0 %(RSD =1.6%)、98.4%(RSD =2.3%)、99.5%(RSD =2.1%)、101.0%(RSD =1.4%).结论该实验建立了同时测定木瓜中五种有机酸和原儿茶酸的HPLC检测方法,操作简便,可靠,灵敏度较高,具有较好的重复性和稳定性,可用于宣木瓜药材的质量控制.
목적 건립동시측정선목과약재중오충유궤산(망초산、평과산、저몽산、록원산、가배산)화원인다산적함량측정방법.방법 채용HPLC법,Phenomenex luna C18색보주(250 mm ×4.6 mm,5 μm);류동상A:0.5%린산이경안용액(린산조절pH치지2.40);류동상B:을정진행제도세탈;검측파장:214 nm;류속:1.0 mL·min-1;진양량:10 μL;주온:30℃.결과 망초산、평과산、저몽산、록원산、가배산오충유궤산화원인다산적선성범위분별위:0.049 5～0.371 g·L-1(r=1.000 0),0.066 3～0.358 g·L-1(r= 0.988 9),0.067 5～0.352 g·L-1(r= 0.995 7),0.009 9～0.080 2 g·L-1 (r=0.991 0),0.008 81～0.062 2 g·L-1(r= 0.992 1),0.010 1～0.090 2 g·L-1 (r=0.993 3),평균가양회수솔분별위:97.2%(RSD=2.0%)、99.6%(RSD =4.1%)、101.0 %(RSD =1.6%)、98.4%(RSD =2.3%)、99.5%(RSD =2.1%)、101.0%(RSD =1.4%).결론 해실험건립료동시측정목과중오충유궤산화원인다산적HPLC검측방법,조작간편,가고,령민도교고,구유교호적중복성화은정성,가용우선목과약재적질량공제.